{"id":78152,"date":"2023-09-16T10:22:15","date_gmt":"2023-09-16T02:22:15","guid":{"rendered":"http:\/\/lrxjmw.cn\/?p=78152"},"modified":"2023-09-16T10:22:15","modified_gmt":"2023-09-16T02:22:15","slug":"ftp-active-passive","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/ftp-active-passive.html","title":{"rendered":"\u770b\u61c2FTP\u7684\u4e3b\u52a8\u548c\u88ab\u52a8\u6a21\u5f0f"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>FTP\u53ea\u901a\u8fc7TCP\u8fde\u63a5\uff0c\u6ca1\u6709\u7528\u4e8eFTP\u7684UDP\u7ec4\u4ef6\uff0cFTP\u4e0d\u540c\u4e8e\u5176\u4ed6\u670d\u52a1\u7684\u662f\u5b83\u4f7f\u7528\u4e86\u4e24\u4e2a\u7aef\u53e3\uff0c\u4e00\u4e2a\u6570\u636e\u7aef\u53e3\u548c\u4e00\u4e2a\u547d\u4ee4\u7aef\u53e3(\u6216\u79f0\u4e3a\u63a7\u5236\u7aef\u53e3)\u3002\u901a\u5e3821\u7aef\u53e3\u662f\u547d\u4ee4\u7aef\u53e3\uff0c20\u7aef\u53e3\u662f\u6570\u636e\u7aef\u53e3\u3002\u5f53\u6df7\u5165\u4e3b\u52a8\/\u88ab\u52a8\u6a21\u5f0f\u7684\u6982\u5ff5\u65f6\uff0c\u6570\u636e\u7aef\u53e3\u5c31\u6709\u53ef\u80fd\u4e0d\u662f20\u4e86\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u4e3b\u52a8\u6a21\u5f0fFTP<\/strong><\/div>\n<p>\u4e3b\u52a8\u6a21\u5f0f\u4e0b\uff0cFTP\u5ba2\u6237\u7aef\u4ece\u4efb\u610f\u7684\u975e\u7279\u6b8a\u7684\u7aef\u53e3\uff08N &gt; 1023\uff09\u8fde\u5165\u5230FTP\u670d\u52a1\u5668\u7684\u547d\u4ee4\u7aef\u53e3--21\u7aef\u53e3\u3002\u7136\u540e\u5ba2\u6237\u7aef\u5728N+1\uff08N+1 &gt;= 1024\uff09\u7aef\u53e3\u76d1\u542c\uff0c\u5e76\u4e14\u901a\u8fc7N+1\uff08N+1 &gt;= 1024\uff09\u7aef\u53e3\u53d1\u9001\u547d\u4ee4\u7ed9FTP\u670d\u52a1\u5668\u3002\u670d\u52a1\u5668\u4f1a\u53cd\u8fc7\u6765\u8fde\u63a5\u7528\u6237\u672c\u5730\u6307\u5b9a\u7684\u6570\u636e\u7aef\u53e3\uff0c\u6bd4\u598220\u7aef\u53e3\u3002<\/p>\n<p>\u4ee5\u670d\u52a1\u5668\u7aef\u9632\u706b\u5899\u4e3a\u7acb\u8db3\u70b9\uff0c\u8981\u652f\u6301\u4e3b\u52a8\u6a21\u5f0fFTP\u9700\u8981\u6253\u5f00\u5982\u4e0b\u4ea4\u4e92\u4e2d\u4f7f\u7528\u5230\u7684\u7aef\u53e3\uff1a<\/p>\n<pre>FTP\u670d\u52a1\u5668\u547d\u4ee4\uff0821\uff09\u7aef\u53e3\u63a5\u53d7\u5ba2\u6237\u7aef\u4efb\u610f\u7aef\u53e3\uff08\u5ba2\u6237\u7aef\u521d\u59cb\u8fde\u63a5\uff09\r\nFTP\u670d\u52a1\u5668\u547d\u4ee4\uff0821\uff09\u7aef\u53e3\u5230\u5ba2\u6237\u7aef\u7aef\u53e3\uff08&gt;1023\uff09\uff08\u670d\u52a1\u5668\u54cd\u5e94\u5ba2\u6237\u7aef\u547d\u4ee4\uff09\r\nFTP\u670d\u52a1\u5668\u6570\u636e\uff0820\uff09\u7aef\u53e3\u5230\u5ba2\u6237\u7aef\u7aef\u53e3\uff08&gt;1023\uff09\uff08\u670d\u52a1\u5668\u521d\u59cb\u5316\u6570\u636e\u8fde\u63a5\u5230\u5ba2\u6237\u7aef\u6570\u636e\u7aef\u53e3\uff09\r\nFTP\u670d\u52a1\u5668\u6570\u636e\uff0820\uff09\u7aef\u53e3\u63a5\u53d7\u5ba2\u6237\u7aef\u7aef\u53e3\uff08&gt;1023\uff09\uff08\u5ba2\u6237\u7aef\u53d1\u9001ACK\u5305\u5230\u670d\u52a1\u5668\u7684\u6570\u636e\u7aef\u53e3\uff09<\/pre>\n<p>\u7528\u56fe\u8868\u793a\u5982\u4e0b\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-78153\" src=\"http:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/07\/ftp1.jpg\" alt=\"\" width=\"448\" height=\"293\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/07\/ftp1.jpg 448w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/07\/ftp1-300x196.jpg 300w\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" \/><\/p>\n<p>\u5728\u7b2c1\u6b65\u4e2d\uff0c\u5ba2\u6237\u7aef\u7684\u547d\u4ee4\u7aef\u53e3\u4e0eFTP\u670d\u52a1\u5668\u7684\u547d\u4ee4\u7aef\u53e3\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u53d1\u9001\u547d\u4ee4\u201cPORT 1027\u201d\u3002\u7136\u540e\u5728\u7b2c2\u6b65\u4e2d\uff0cFTP\u670d\u52a1\u5668\u7ed9\u5ba2\u6237\u7aef\u7684\u547d\u4ee4\u7aef\u53e3\u8fd4\u56de\u4e00\u4e2a\"ACK\"\u3002\u5728\u7b2c3\u6b65\u4e2d\uff0cFTP\u670d\u52a1\u5668\u53d1\u8d77\u4e00\u4e2a\u4ece\u5b83\u81ea\u5df1\u7684\u6570\u636e\u7aef\u53e3\uff0820\uff09\u5230\u5ba2\u6237\u7aef\u5148\u524d\u6307\u5b9a\u7684\u6570\u636e\u7aef\u53e3\uff081027\uff09\u7684\u8fde\u63a5\uff0c\u6700\u540e\u5ba2\u6237\u7aef\u5728\u7b2c4\u6b65\u4e2d\u7ed9\u670d\u52a1\u5668\u7aef\u8fd4\u56de\u4e00\u4e2a\"ACK\"\u3002<\/p>\n<p>\u4e3b\u52a8\u65b9\u5f0fFTP\u7684\u4e3b\u8981\u95ee\u9898\u5b9e\u9645\u4e0a\u5728\u4e8e\u5ba2\u6237\u7aef\u3002FTP\u7684\u5ba2\u6237\u7aef\u5e76\u6ca1\u6709\u5b9e\u9645\u5efa\u7acb\u4e00\u4e2a\u5230\u670d\u52a1\u5668\u6570\u636e\u7aef\u53e3\u7684\u8fde\u63a5\uff0c\u5b83\u53ea\u662f\u7b80\u5355\u7684\u544a\u8bc9\u670d\u52a1\u5668\u81ea\u5df1\u76d1\u542c\u7684\u7aef\u53e3\u53f7\uff0c\u670d\u52a1\u5668\u518d\u56de\u6765\u8fde\u63a5\u5ba2\u6237\u7aef\u8fd9\u4e2a\u6307\u5b9a\u7684\u7aef\u53e3\u3002\u5bf9\u4e8e\u5ba2\u6237\u7aef\u7684\u9632\u706b\u5899\u6765\u8bf4\uff0c\u8fd9\u662f\u4ece\u5916\u90e8\u7cfb\u7edf\u5efa\u7acb\u5230\u5185\u90e8\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\uff0c\u8fd9\u662f\u901a\u5e38\u4f1a\u88ab\u963b\u585e\u7684\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u88ab\u52a8\u6a21\u5f0fFTP<\/strong><\/div>\n<p>\u4e3a\u4e86\u89e3\u51b3\u670d\u52a1\u5668\u53d1\u8d77\u5230\u5ba2\u6237\u7684\u8fde\u63a5\u7684\u95ee\u9898\uff0c\u4eba\u4eec\u5f00\u53d1\u4e86\u4e00\u79cd\u4e0d\u540c\u7684FTP\u8fde\u63a5\u65b9\u5f0f\u3002\u8fd9\u5c31\u662f\u6240\u8c13\u7684\u88ab\u52a8\u65b9\u5f0f\uff0c\u6216\u8005\u53eb\u505aPASV\uff0c\u5f53\u5ba2\u6237\u7aef\u901a\u77e5\u670d\u52a1\u5668\u5b83\u5904\u4e8e\u88ab\u52a8\u6a21\u5f0f\u65f6\u624d\u542f\u7528\u3002<\/p>\n<p>\u5728\u88ab\u52a8\u65b9\u5f0fFTP\u4e2d\uff0c\u547d\u4ee4\u8fde\u63a5\u548c\u6570\u636e\u8fde\u63a5\u90fd\u7531\u5ba2\u6237\u7aef\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u89e3\u51b3\u4ece\u670d\u52a1\u5668\u5230\u5ba2\u6237\u7aef\u7684\u6570\u636e\u7aef\u53e3\u7684\u5165\u65b9\u5411\u8fde\u63a5\u88ab\u9632\u706b\u5899\u8fc7\u6ee4\u6389\u7684\u95ee\u9898\u3002\u5f53\u5f00\u542f\u4e00\u4e2aFTP\u8fde\u63a5\u65f6\uff0c\u5ba2\u6237\u7aef\u6253\u5f00\u4e24\u4e2a\u4efb\u610f\u7684\u975e\u7279\u6743\u672c\u5730\u7aef\u53e3\uff08N &gt;; 1024\u548cN+1\uff09\u3002\u7b2c\u4e00\u4e2a\u7aef\u53e3\u8fde\u63a5\u670d\u52a1\u5668\u768421\u7aef\u53e3\uff0c\u4f46\u4e0e\u4e3b\u52a8\u65b9\u5f0f\u7684FTP\u4e0d\u540c\uff0c\u5ba2\u6237\u7aef\u4e0d\u4f1a\u63d0\u4ea4PORT\u547d\u4ee4\u5e76\u5141\u8bb8\u670d\u52a1\u5668\u6765\u56de\u8fde\u5b83\u7684\u6570\u636e\u7aef\u53e3\uff0c\u800c\u662f\u63d0\u4ea4PASV\u547d\u4ee4\u3002\u8fd9\u6837\u505a\u7684\u7ed3\u679c\u662f\u670d\u52a1\u5668\u4f1a\u5f00\u542f\u4e00\u4e2a\u4efb\u610f\u7684\u975e\u7279\u6743\u7aef\u53e3\uff08P &gt;; 1024\uff09\uff0c\u5e76\u53d1\u9001PORT P\u547d\u4ee4\u7ed9\u5ba2\u6237\u7aef\u3002\u7136\u540e\u5ba2\u6237\u7aef\u53d1\u8d77\u4ece\u672c\u5730\u7aef\u53e3N+1\u5230\u670d\u52a1\u5668\u7684\u7aef\u53e3P\u7684\u8fde\u63a5\u7528\u6765\u4f20\u9001\u6570\u636e\u3002<\/p>\n<p>\u5bf9\u4e8e\u670d\u52a1\u5668\u7aef\u7684\u9632\u706b\u5899\u6765\u8bf4\uff0c\u5fc5\u987b\u5141\u8bb8\u4e0b\u9762\u7684\u901a\u8baf\u624d\u80fd\u652f\u6301\u88ab\u52a8\u65b9\u5f0f\u7684FTP:<\/p>\n<pre>FTP\u670d\u52a1\u5668\u547d\u4ee4\uff0821\uff09\u7aef\u53e3\u63a5\u53d7\u5ba2\u6237\u7aef\u4efb\u610f\u7aef\u53e3\uff08\u5ba2\u6237\u7aef\u521d\u59cb\u8fde\u63a5\uff09\r\nFTP\u670d\u52a1\u5668\u547d\u4ee4\uff0821\uff09\u7aef\u53e3\u5230\u5ba2\u6237\u7aef\u7aef\u53e3\uff08&gt;1023\uff09\uff08\u670d\u52a1\u5668\u54cd\u5e94\u5ba2\u6237\u7aef\u547d\u4ee4\uff09\r\nFTP\u670d\u52a1\u5668\u6570\u636e\u7aef\u53e3\uff08&gt;1023\uff09\u63a5\u53d7\u5ba2\u6237\u7aef\u7aef\u53e3\uff08&gt;1023\uff09\uff08\u5ba2\u6237\u7aef\u521d\u59cb\u5316\u6570\u636e\u8fde\u63a5\u5230\u670d\u52a1\u5668\u6307\u5b9a\u7684\u4efb\u610f\u7aef\u53e3\uff09\r\nFTP\u670d\u52a1\u5668\u6570\u636e\u7aef\u53e3\uff08&gt;1023\uff09\u5230\u5ba2\u6237\u7aef\u7aef\u53e3\uff08&gt;1023\uff09\uff08\u670d\u52a1\u5668\u53d1\u9001ACK\u54cd\u5e94\u548c\u6570\u636e\u5230\u5ba2\u6237\u7aef\u7684\u6570\u636e\u7aef\u53e3\uff09<\/pre>\n<p>\u7528\u56fe\u8868\u793a\u5982\u4e0b\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-78154\" src=\"http:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/07\/ftp2.jpg\" alt=\"\" width=\"404\" height=\"293\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/07\/ftp2.jpg 404w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/07\/ftp2-300x218.jpg 300w\" sizes=\"auto, (max-width: 404px) 100vw, 404px\" \/><\/p>\n<p>\u5728\u7b2c1\u6b65\u4e2d\uff0c\u5ba2\u6237\u7aef\u7684\u547d\u4ee4\u7aef\u53e3\u4e0e\u670d\u52a1\u5668\u7684\u547d\u4ee4\u7aef\u53e3\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u53d1\u9001\u547d\u4ee4\u201cPASV\u201d\u3002\u7136\u540e\u5728\u7b2c2\u6b65\u4e2d\uff0c\u670d\u52a1\u5668\u8fd4\u56de\u547d\u4ee4\"PORT 2024\"\uff0c\u544a\u8bc9\u5ba2\u6237\u7aef\uff08\u670d\u52a1\u5668\uff09\u7528\u54ea\u4e2a\u7aef\u53e3\u4fa6\u542c\u6570\u636e\u8fde\u63a5\u3002\u5728\u7b2c3\u6b65\u4e2d\uff0c\u5ba2\u6237\u7aef\u521d\u59cb\u5316\u4e00\u4e2a\u4ece\u81ea\u5df1\u7684\u6570\u636e\u7aef\u53e3\u5230\u670d\u52a1\u5668\u7aef\u6307\u5b9a\u7684\u6570\u636e\u7aef\u53e3\u7684\u6570\u636e\u8fde\u63a5\u3002\u6700\u540e\u670d\u52a1\u5668\u5728\u7b2c4 \u6b65\u4e2d\u7ed9\u5ba2\u6237\u7aef\u7684\u6570\u636e\u7aef\u53e3\u8fd4\u56de\u4e00\u4e2a\"ACK\"\u54cd\u5e94\u3002<\/p>\n<p>\u88ab\u52a8\u65b9\u5f0f\u7684FTP\u89e3\u51b3\u4e86\u5ba2\u6237\u7aef\u7684\u8bb8\u591a\u95ee\u9898\uff0c\u4f46\u540c\u65f6\u7ed9\u670d\u52a1\u5668\u7aef\u5e26\u6765\u4e86\u66f4\u591a\u7684\u95ee\u9898\u3002\u6700\u5927\u7684\u95ee\u9898\u662f\u9700\u8981\u5141\u8bb8\u4ece\u4efb\u610f\u8fdc\u7a0b\u7ec8\u7aef\u5230\u670d\u52a1\u5668\u9ad8\u4f4d\u7aef\u53e3\u7684\u8fde\u63a5\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u8bb8\u591aFTP\u5b88\u62a4\u7a0b\u5e8f\uff0c\u5305\u62ec\u6d41\u884c\u7684WU-FTPD\u5141\u8bb8\u7ba1\u7406\u5458\u6307\u5b9aFTP\u670d\u52a1\u5668\u4f7f\u7528\u7684\u7aef\u53e3\u8303\u56f4\u3002\u8be6\u7ec6\u5185\u5bb9\u53c2\u770b\u9644\u5f551\u3002<\/p>\n<p>\u7b2c\u4e8c\u4e2a\u95ee\u9898\u662f\u5ba2\u6237\u7aef\u6709\u7684\u652f\u6301\u88ab\u52a8\u6a21\u5f0f\uff0c\u6709\u7684\u4e0d\u652f\u6301\u88ab\u52a8\u6a21\u5f0f\uff0c\u5fc5\u987b\u8003\u8651\u5982\u4f55\u80fd\u652f\u6301\u8fd9\u4e9b\u5ba2\u6237\u7aef\uff0c\u4ee5\u53ca\u4e3a\u4ed6\u4eec\u63d0\u4f9b\u89e3\u51b3\u529e\u6cd5\u3002\u4f8b\u5982\uff0cSolaris\u63d0\u4f9b\u7684FTP\u547d\u4ee4\u884c\u5de5\u5177\u5c31\u4e0d\u652f\u6301\u88ab\u52a8\u6a21\u5f0f\uff0c\u9700\u8981\u7b2c\u4e09\u65b9\u7684FTP\u5ba2\u6237\u7aef\uff0c\u6bd4\u5982ncftp\u3002<\/p>\n<p>\u968f\u7740WWW\u7684\u5e7f\u6cdb\u6d41\u884c\uff0c\u8bb8\u591a\u4eba\u4e60\u60ef\u7528web\u6d4f\u89c8\u5668\u4f5c\u4e3aFTP\u5ba2\u6237\u7aef\u3002\u5927\u591a\u6570\u6d4f\u89c8\u5668\u53ea\u5728\u8bbf\u95eeftp:\/\/\u8fd9\u6837\u7684URL\u65f6\u624d\u652f\u6301\u88ab\u52a8\u6a21\u5f0f\u3002\u8fd9\u5230\u5e95\u662f\u597d\u8fd8\u662f\u574f\u53d6\u51b3\u4e8e\u670d\u52a1\u5668\u548c\u9632\u706b\u5899\u7684\u914d\u7f6e\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"margin-top: 2em; 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color: #88a6a4;\">\u539f\u6587\u6765\u81ea\uff1a<a href=\"http:\/\/www.cnblogs.com\/xiaohh\/p\/4789813.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.cnblogs.com\/xiaohh\/p\/4789813.html<\/a><\/p>\n<p style=\"text-align: left; color: #88a6a4;\">\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/lrxjmw.cn\/ftp-active-passive.html\" target=\"_blank\" rel=\"noopener\"> http:\/\/lrxjmw.cn\/ftp-active-passive.html<\/a><span style=\"float: right;\">\u7f16\u8f91\uff1a\u51af\u632f\u534e\uff0c\u5ba1\u6838\u5458\uff1a\u9004\u589e\u5b9d<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8bfb FTP\u53ea\u901a\u8fc7TCP\u8fde\u63a5\uff0c\u6ca1\u6709\u7528\u4e8eFTP\u7684UDP\u7ec4\u4ef6\uff0cFTP\u4e0d\u540c\u4e8e\u5176\u4ed6\u670d\u52a1\u7684\u662f\u5b83\u4f7f\u7528\u4e86\u4e24\u4e2a\u7aef\u53e3\uff0c\u4e00\u4e2a\u6570\u636e\u7aef [&hellip;]<\/p>\n","protected":false},"author":63,"featured_media":78163,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-78152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/78152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=78152"}],"version-history":[{"count":14,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/78152\/revisions"}],"predecessor-version":[{"id":282791,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/78152\/revisions\/282791"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/78163"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=78152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=78152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=78152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}