{"id":52,"date":"2026-05-06T11:32:40","date_gmt":"2026-05-06T03:32:40","guid":{"rendered":"https:\/\/www.bengzi.cn\/?p=52"},"modified":"2026-05-06T11:32:40","modified_gmt":"2026-05-06T03:32:40","slug":"%e7%ae%80%e5%8d%95%e6%8f%8f%e8%bf%b0tcp-ip%e7%bd%91%e7%bb%9c%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.bengzi.cn\/?p=52","title":{"rendered":"\u7b80\u5355\u63cf\u8ff0TCP\/IP\u7f51\u7edc\u6a21\u578b"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u901a\u5e38\u7531\u4e0a\u5230\u4e0b\u5206\u4e3a4\u5c42\uff0c\u5206\u522b\u662f\u5e94\u7528\u5c42\u3001\u4f20\u8f93\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u7f51\u7edc\u63a5\u53e3\u5c42\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e94\u7528\u5c42<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u4e3a\u7528\u6237\u63d0\u4f9b\u5e94\u7528\u529f\u80fd\uff0c\u5982 HTTP\u3001FTP\u3001Telnet\u3001DNS\u3001SMTP \u7b49\u3002<\/li>\n\n\n\n<li>\u5e94\u7528\u5c42\u6570\u636e\u4e00\u822c\u8f83\u5927\uff0c\u82e5\u8d85\u51fa <strong>MSS\uff08TCP \u6700\u5927\u62a5\u6587\u6bb5\u957f\u5ea6\uff09<\/strong>\uff0c\u4f1a\u5206\u6210\u591a\u4e2a <strong>TCP Segment<\/strong>\u3002<\/li>\n\n\n\n<li>\u597d\u5904\uff1a\u5373\u4f7f\u67d0\u4e2a\u5206\u5757\u4e22\u5931\u6216\u635f\u574f\uff0c\u53ea\u9700\u91cd\u4f20\u8be5\u5206\u5757\uff0c\u800c\u975e\u6574\u4e2a\u6570\u636e\u5305\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f20\u8f93\u5c42<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6838\u5fc3\u529f\u80fd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3a\u5e94\u7528\u5c42\u63d0\u4f9b\u7f51\u7edc\u652f\u6301\uff0c\u5b9e\u73b0 <strong>\u5e94\u7528\u5230\u5e94\u7528<\/strong> \u7684\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u4e3b\u8981\u534f\u8bae\uff1a<strong>TCP<\/strong> \u4e0e <strong>UDP<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">TCP\uff08\u4f20\u8f93\u63a7\u5236\u534f\u8bae\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u90e8\u5206\u5e94\u7528\uff08\u5982 HTTP\uff09\u4f7f\u7528 TCP\u3002<\/li>\n\n\n\n<li>\u63d0\u4f9b\u53ef\u9760\u6027\uff1a<\/li>\n\n\n\n<li>\u6d41\u91cf\u63a7\u5236<\/li>\n\n\n\n<li>\u8d85\u65f6\u91cd\u4f20<\/li>\n\n\n\n<li>\u62e5\u585e\u63a7\u5236<\/li>\n\n\n\n<li>\u4fdd\u8bc1\u6570\u636e\u5305\u53ef\u9760\u5730\u4f20\u8f93\u7ed9\u5bf9\u65b9\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">UDP<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ea\u8d1f\u8d23\u53d1\u9001\u6570\u636e\u5305\uff0c\u4e0d\u4fdd\u8bc1\u662f\u5426\u62b5\u8fbe\u3002<\/li>\n\n\n\n<li>\u4f18\u70b9\uff1a\u5b9e\u65f6\u6027\u66f4\u597d\uff0c\u4f20\u8f93\u6548\u7387\u66f4\u9ad8\u3002<\/li>\n\n\n\n<li>\u53ef\u4ee5\u5728\u5e94\u7528\u5c42\u5b9e\u73b0\u53ef\u9760\u4f20\u8f93\uff08\u6a21\u4eff TCP \u7279\u6027\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7aef\u53e3\uff08Port\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f5c\u7528\uff1a\u5728\u540c\u4e00\u53f0\u8bbe\u5907\u4e0a\u533a\u5206\u4e0d\u540c\u7684\u5e94\u7528\u8fdb\u7a0b\u3002<\/li>\n\n\n\n<li>\u5e38\u89c1\u7aef\u53e3\uff1a<\/li>\n\n\n\n<li>80\uff1aHTTP \u670d\u52a1<\/li>\n\n\n\n<li>22\uff1a\u8fdc\u7a0b\u767b\u5f55\uff08SSH\uff09<\/li>\n\n\n\n<li>\u5ba2\u6237\u7aef\uff08\u5982\u6d4f\u89c8\u5668\uff09\uff1a<\/li>\n\n\n\n<li>\u6bcf\u4e2a\u6807\u7b7e\u9875\u901a\u5e38\u662f\u72ec\u7acb\u8fdb\u7a0b<\/li>\n\n\n\n<li>\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u4e3a\u5176\u5206\u914d<strong>\u4e34\u65f6\u7aef\u53e3<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f51\u7edc\u5c42<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8bbe\u8ba1\u601d\u60f3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f20\u8f93\u5c42\u53ea\u9700\u670d\u52a1\u597d\u5e94\u7528\u5c42\uff0c\u5b9e\u9645\u7684\u4f20\u8f93\u529f\u80fd\u4ea4\u7ed9\u7f51\u7edc\u5c42\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">IP \u534f\u8bae\uff08Internet Protocol\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06\u4f20\u8f93\u5c42\u7684\u62a5\u6587\u4f5c\u4e3a\u6570\u636e\u90e8\u5206\uff0c\u52a0\u4e0a <strong>IP \u5934\u90e8<\/strong> \u5f62\u6210 IP \u62a5\u6587\u3002<\/li>\n\n\n\n<li>\u82e5 IP \u62a5\u6587\u8d85\u8fc7 <strong>MTU\uff08\u4ee5\u592a\u7f51\u4e00\u822c\u4e3a 1500 \u5b57\u8282\uff09<\/strong>\uff0c\u4f1a\u518d\u6b21\u5206\u7247\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">IP \u5730\u5740\u7ed3\u6784<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ec4\u6210\uff1a<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u53f7<\/strong>\uff1a\u6807\u8bc6 IP \u5c5e\u4e8e\u54ea\u4e2a\u5b50\u7f51<\/li>\n\n\n\n<li><strong>\u4e3b\u673a\u53f7<\/strong>\uff1a\u6807\u8bc6\u540c\u4e00\u5b50\u7f51\u4e0b\u7684\u4e0d\u540c\u4e3b\u673a<\/li>\n\n\n\n<li>\u5b50\u7f51\u63a9\u7801\u7528\u4e8e\u533a\u5206\u7f51\u7edc\u53f7\u548c\u4e3b\u673a\u53f7\u3002<\/li>\n\n\n\n<li>\u793a\u4f8b\uff1a<code>10.100.122.0\/24<\/code>\n<ul class=\"wp-block-list\">\n<li><code>\/24<\/code> \u8868\u793a\u5b50\u7f51\u63a9\u7801\u4e3a <code>255.255.255.0<\/code>\uff08\u4e8c\u8fdb\u5236 24 \u4e2a 1\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e3b\u673a\u53f7\u8ba1\u7b97\u793a\u4f8b<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9879\u76ee<\/th><th>\u4e8c\u8fdb\u5236\u8868\u793a<\/th><\/tr><\/thead><tbody><tr><td>IP \u5730\u5740\uff1a10.100.122.2<\/td><td>00001010 01100100 01111010 00000010<\/td><\/tr><tr><td>\u5b50\u7f51\u63a9\u7801\uff1a255.255.255.0<\/td><td>11111111 11111111 11111111 00000000<\/td><\/tr><tr><td><strong>\u7f51\u7edc\u5730\u5740\uff08AND \u7ed3\u679c\uff09<\/strong><\/td><td><strong>00001010 01100100 01111010 00000000<\/strong>\uff08\u5373 10.100.122.0\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5bfb\u5740 vs \u8def\u7531<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IP \u5bfb\u5740<\/strong>\uff1a\u544a\u8bc9\u6211\u4eec\u5e94\u8be5\u201c\u5f80\u54ea\u91cc\u8d70\u201d\uff08\u76ee\u6807\u65b9\u5411\uff09<\/li>\n\n\n\n<li><strong>\u8def\u7531<\/strong>\uff1a\u6839\u636e\u76ee\u6807\u9009\u62e9\u5177\u4f53\u8def\u5f84\uff08\u5982\u4f55\u64cd\u4f5c\uff09<\/li>\n\n\n\n<li>\u5bfb\u5740\u50cf\u5bfc\u822a\uff0c\u8def\u7531\u50cf\u64cd\u4f5c\u65b9\u5411\u76d8\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f51\u7edc\u63a5\u53e3\u5c42\uff08\u94fe\u8def\u5c42\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c01\u88c5\u8fc7\u7a0b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728 IP \u5934\u90e8\u4e4b\u540e\uff0c\u52a0\u4e0a <strong>MAC \u5934\u90e8<\/strong>\uff0c\u5c01\u88c5\u6210 <strong>\u6570\u636e\u5e27\uff08Data Frame\uff09<\/strong> \u53d1\u9001\u5230\u7f51\u7edc\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">IP \u4e0e MAC \u7684\u804c\u8d23\u533a\u522b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IP \u5730\u5740<\/strong>\uff1a\u8868\u793a\u7f51\u7edc\u5305\u7684\u6700\u7ec8\u76ee\u7684\u5730\uff08\u903b\u8f91\u5730\u5740\uff09<\/li>\n\n\n\n<li><strong>MAC \u5730\u5740<\/strong>\uff1a\u7528\u4e8e\u4ee5\u592a\u7f51\u7b49\u5c40\u57df\u7f51\u4e2d\u6807\u8bc6\u8bbe\u5907\uff08\u7269\u7406\u5730\u5740\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee5\u592a\u7f51\u7b80\u4ecb<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5305\u62ec\uff1a<\/li>\n\n\n\n<li>\u7535\u8111\u4e0a\u7684\u4ee5\u592a\u7f51 \/ Wi-Fi \u63a5\u53e3<\/li>\n\n\n\n<li>\u4ee5\u592a\u7f51\u4ea4\u6362\u673a<\/li>\n\n\n\n<li>\u8def\u7531\u5668\u4e0a\u7684\u4ee5\u592a\u7f51\u63a5\u53e3<\/li>\n\n\n\n<li>\u7f51\u7ebf\u7b49<\/li>\n\n\n\n<li>\u4f5c\u7528\uff1a\u5728\u5c40\u57df\u7f51\u4e2d\u8fde\u63a5\u8bbe\u5907\uff0c\u4f7f\u5b83\u4eec\u53ef\u4ee5\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">MAC \u5934\u90e8\u4e0e ARP<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MAC \u5934\u90e8\u5305\u542b\uff1a<\/li>\n\n\n\n<li>\u63a5\u6536\u65b9 MAC \u5730\u5740<\/li>\n\n\n\n<li>\u53d1\u9001\u65b9 MAC \u5730\u5740<\/li>\n\n\n\n<li><strong>ARP \u534f\u8bae<\/strong>\uff1a\u7528\u4e8e\u901a\u8fc7 IP \u5730\u5740\u83b7\u53d6\u5bf9\u65b9\u7684 MAC \u5730\u5740\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u94fe\u8def\u5c42\u7684\u4f5c\u7528<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3a\u7f51\u7edc\u5c42\u63d0\u4f9b <strong>\u94fe\u8def\u7ea7\u522b<\/strong> \u7684\u4f20\u8f93\u670d\u52a1<\/li>\n\n\n\n<li>\u5728\u4ee5\u592a\u7f51\u3001Wi-Fi \u7b49\u5e95\u5c42\u7f51\u7edc\u4e0a\u53d1\u9001\u539f\u59cb\u6570\u636e\u5305<\/li>\n\n\n\n<li>\u5de5\u4f5c\u5728 <strong>\u7f51\u5361<\/strong> \u5c42\u6b21<\/li>\n\n\n\n<li>\u4f7f\u7528 <strong>MAC \u5730\u5740<\/strong> \u6807\u8bc6\u7f51\u7edc\u4e0a\u7684\u8bbe\u5907<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u901a\u5e38\u7531\u4e0a\u5230\u4e0b\u5206\u4e3a4\u5c42\uff0c\u5206\u522b\u662f\u5e94\u7528\u5c42\u3001\u4f20\u8f93\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u7f51\u7edc\u63a5\u53e3\u5c42\u3002 \u5e94\u7528\u5c42 \u4f20\u8f93\u5c42 \u6838\u5fc3\u529f\u80fd TCP\uff08\u4f20\u8f93\u63a7\u5236\u534f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":33,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-52","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-11"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/posts\/52","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=52"}],"version-history":[{"count":1,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/posts\/52\/revisions"}],"predecessor-version":[{"id":53,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/posts\/52\/revisions\/53"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/media\/33"}],"wp:attachment":[{"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=52"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=52"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}