{"id":265,"date":"2022-11-12T20:03:38","date_gmt":"2022-11-12T12:03:38","guid":{"rendered":"https:\/\/cococat.top\/?p=265"},"modified":"2022-11-12T20:03:38","modified_gmt":"2022-11-12T12:03:38","slug":"2022campusnote_2_network","status":"publish","type":"post","link":"https:\/\/cococat.top\/index.php\/2022\/11\/12\/2022campusnote_2_network\/","title":{"rendered":"2022\u6821\u62db\u7b14\u8bb02\uff1a\u8ba1\u7b97\u673a\u7f51\u7edc"},"content":{"rendered":"<h1>1. \u524d\u8a00<\/h1>\n<p>\u672c\u7bc7\u5728\u77e5\u8bc6\u8986\u76d6\u5b8c\u6574\u5ea6\u4e0a\u53ef\u80fd\u4e0d\u5982\u7f51\u4e0a\u4e00\u4e9b\u9ad8\u8d28\u91cf\u7684\u9762\u8bd5\u9898\u6574\u7406\uff0c\u4f46\u662f\u53ef\u4ee5\u4fdd\u8bc1\u89e3\u7b54\u6587\u672c\u7684\u7b80\u660e\u627c\u8981\uff0c\u5bb9\u6613\u7406\u89e3\u8bb0\u5fc6\uff0c\u53ef\u4ee5\u7ed3\u5408<a href=\"https:\/\/blog.csdn.net\/adminpd\/article\/details\/122973684\">\u8f83\u5168\u7684\u6574\u7406<\/a>\u4f7f\u7528\u3002<\/p>\n<h1>2. OSI 7\u5c42\u534f\u8bae\u6808<\/h1>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u540d\u79f0<\/th>\n<th style=\"text-align: center;\">\u63cf\u8ff0<\/th>\n<th style=\"text-align: center;\">\u5e38\u89c1\u534f\u8bae<\/th>\n<th style=\"text-align: center;\">\u6807\u8bc6\u65b9\u6cd5<\/th>\n<th style=\"text-align: center;\">\u62a5\u6587<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">\u5e94\u7528\u5c42<\/td>\n<td style=\"text-align: center;\">\u5e94\u7528\u95f4\u7684\u901a\u4fe1<\/td>\n<td style=\"text-align: center;\">HTTP SMTP FTP DNS<\/td>\n<td style=\"text-align: center;\">\/<\/td>\n<td style=\"text-align: center;\">HTTP\u8bf7\u6c42\/\u54cd\u5e94\u62a5\u6587<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u8868\u793a\u5c42<\/td>\n<td style=\"text-align: center;\">\u6570\u636e\u7684\u7f16\u89e3\u7801\uff0c\u52a0\u89e3\u5bc6<\/td>\n<td style=\"text-align: center;\">JPEG\uff0cMPEG<\/td>\n<td style=\"text-align: center;\">\/<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u4f1a\u8bdd\u5c42<\/td>\n<td style=\"text-align: center;\">\u4f1a\u8bdd\u7684\u521b\u5efa\u3001\u7ba1\u7406\u4e0e\u7ec8\u6b62<\/td>\n<td style=\"text-align: center;\">SQL<\/td>\n<td style=\"text-align: center;\">\/<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u4f20\u8f93\u5c42<\/td>\n<td style=\"text-align: center;\">\u63d0\u4f9b\u7aef\u5230\u7aef\uff08\u5ffd\u7565\u4e2d\u95f4\u8fc7\u7a0b\uff09\u7684\u901a\u4fe1<\/td>\n<td style=\"text-align: center;\">TCP UDP<\/td>\n<td style=\"text-align: center;\">\u7aef\u53e3\u53f7<\/td>\n<td style=\"text-align: center;\">TCP\/UDP\u62a5\u6587<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u7f51\u7edc\u5c42<\/td>\n<td style=\"text-align: center;\">\u63d0\u4f9b\u4e3b\u673a\u5230\u4e3b\u673a\u7684\u901a\u4fe1\uff1b\u8def\u7531\u9009\u62e9<\/td>\n<td style=\"text-align: center;\">IP\u3001ICMP\uff1bRIP\u8def\u7531\u9009\u62e9\u534f\u8bae\uff1bARP\u5730\u5740\u89e3\u6790\u534f\u8bae<\/td>\n<td style=\"text-align: center;\">IP\u5730\u5740<\/td>\n<td style=\"text-align: center;\">IP\u6570\u636e\u5305<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u94fe\u8def\u5c42<\/td>\n<td style=\"text-align: center;\">\u63d0\u4f9b\u7f51\u7edc\u76f8\u90bb\u8282\u70b9\u95f4\u7684\u901a\u4fe1<\/td>\n<td style=\"text-align: center;\">PPP<\/td>\n<td style=\"text-align: center;\">MAC\u5730\u5740<\/td>\n<td style=\"text-align: center;\">\u5e27<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u7269\u7406\u5c42<\/td>\n<td style=\"text-align: center;\">\u6bd4\u7279\u6d41\u7684\u4f20\u8f93<\/td>\n<td style=\"text-align: center;\">\/<\/td>\n<td style=\"text-align: center;\">\/<\/td>\n<td style=\"text-align: center;\">\/<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1>3. DNS<\/h1>\n<h2>3.1. \u57df\u540d\u670d\u52a1\u5668\u5c42\u6b21<\/h2>\n<p>\u4ece\u4e0a\u5230\u4e0b\u5206\u522b\u662f\uff1a<\/p>\n<ul>\n<li>\u6839\u57df\u540d\u670d\u52a1\u5668\uff1a\u77e5\u9053\u6240\u6709\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\u7684\u57df\u540d\u548cip<\/li>\n<li>\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\uff1a.cn .org .com\u7b49\u9876\u7ea7\u57df\u540d\uff0c\u77e5\u9053\u5728\u8be5\u670d\u52a1\u5668\u6ce8\u518c\u7684\u6240\u6709\u4e8c\u7ea7\u57df\u540d\u548cip<\/li>\n<li>\u6743\u9650\uff08\u4e8c\u7ea7\uff09\u57df\u540d\u670d\u52a1\u5668\uff1a\u7ba1\u7406\u4e8c\u7ea7\u57df\u540d\u4e0b\u7684\u57df\u540d\u548cIP<\/li>\n<li>\u672c\u5730\u57df\u540d\u670d\u52a1\u5668\uff1aISP\u3001\u5927\u5b66\u7b49\u90fd\u6709\u81ea\u5df1\u7684\u672c\u5730\u57df\u540d\u670d\u52a1\u5668<\/li>\n<\/ul>\n<h2>3.2. DNS\u67e5\u8be2<\/h2>\n<h3>3.2.1. \u9012\u5f52\u67e5\u8be2\u4e0e\u8fed\u4ee3\u67e5\u8be2<\/h3>\n<p>\u8fd9\u4e2a\u6982\u5ff5\u4e0d\u662f\u975e\u5e38\u91cd\u8981\uff0c\u4e0d\u4e00\u5b9a\u9700\u8981\u8bb0\u4f4f\u8fd9\u4e9b\u540d\u8bcd\u3002\u7ed3\u5408\u4e0b\u4e00\u5c0f\u8282\u7684\u8be6\u7ec6\u67e5\u8be2\u8fc7\u7a0b\u4fbf\u80fd\u4f53\u4f1a\u8fd9\u4e24\u79cd\u67e5\u8be2\u7684\u5b9a\u4e49\u3002<br \/>\nDNS\u67e5\u8be2\u5206\u4e3a\u9012\u5f52\u67e5\u8be2\u4e0e\u8fed\u4ee3\u67e5\u8be2\u4e24\u79cd\u3002\u9012\u5f52\u67e5\u8be2\u5373\u670d\u52a1\u5668\u5c42\u5c42\u5411\u4e0b\u67e5\u8be2\uff0c\u518d\u5c42\u5c42\u5411\u4e0a\u8fd4\u56de\uff0c\u67e5\u8be2\u8005\u53ea\u9700\u8981\u4e00\u6b21\u8bf7\u6c42\uff1b\u8fed\u4ee3\u67e5\u8be2\u6307\u67e5\u8be2\u7684\u670d\u52a1\u5668\u8fd4\u56de\u7684\u7ed3\u679c\u65e2\u53ef\u80fd\u662f\u57df\u540d\u6620\u5c04\u5173\u7cfb\uff0c\u4e5f\u53ef\u80fd\u662f\u77e5\u9053\u8be5\u57df\u540d\u6620\u5c04\u5173\u7cfb\u7684\u53e6\u4e00\u4e2aDNS\u670d\u52a1\u5668\uff0c\u9700\u8981\u67e5\u8be2\u8005\u518d\u6b21\u5411\u53e6\u4e00\u4e2a\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\uff0c\u76f4\u5230\u67e5\u8be2\u5230\u7ed3\u679c\u4e3a\u6b62\u3002<br \/>\n\u4e00\u822c\u800c\u8a00\uff0c\u5ba2\u6237\u7aef\u8bbe\u7f6e\u4f7f\u7528\u7684DNS\u670d\u52a1\u5668\u90fd\u662f\u9012\u5f52\u67e5\u8be2\uff1b\u800cDNS\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u67e5\u8be2\u662f\u8fed\u4ee3\u67e5\u8be2\u3002<\/p>\n<h3>3.2.2. DNS\u67e5\u8be2\u8fc7\u7a0b<\/h3>\n<p>\u6d4f\u89c8\u5668\u8f93\u5165\u7f51\u9875\u540e\uff0cDNS\u67e5\u8be2\u7684\u987a\u5e8f\u5982\u4e0b\uff1a<br \/>\n\u67e5\u8be2\u672c\u5730host\u6587\u4ef6 -&gt; \u672c\u5730DNS\u7f13\u5b58 -&gt; \u8bbe\u7f6e\u7684\u9996\u9009DNS\u670d\u52a1\u5668\uff0c\u5373\u672c\u5730DNS\u670d\u52a1\u5668 -&gt;<br \/>\n\u672c\u5730DNS\u670d\u52a1\u5668\u82e5\u8d1f\u8d23\u89e3\u6790\u8be5\u57df\u540d\uff0c\u6216\u662f\u5df2\u7f13\u5b58\u4e86\u8be5\u57df\u540d\u5219\u76f4\u63a5\u8fd4\u56deip\uff1b\u5426\u5219\u9700\u8981\u5f00\u59cb\u5411\u5176\u4ed6DNS\u670d\u52a1\u5668\u67e5\u8be2\u3002\u5230\u8fd9\u4e00\u6b65\u9aa4\u65f6\uff0c\u672c\u5730DNS\u670d\u52a1\u5668\u7684\u884c\u4e3a\u4f1a\u6839\u636e\u8bbe\u7f6e\u5206\u4e3a\u8f6c\u53d1\u6a21\u5f0f\u548c\u975e\u8f6c\u53d1\u6a21\u5f0f\u4e24\u79cd\u3002<\/p>\n<ul>\n<li>\u975e\u8f6c\u53d1\u6a21\u5f0f\uff1a\u672c\u5730DNS\u76f4\u63a5\u67e5\u8be2\u6839DNS\u670d\u52a1\u5668\uff0c\u6839\u670d\u52a1\u5668\u8fd4\u56de\u5bf9\u5e94\u7684\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\u5730\u5740\uff1b\u672c\u5730\u67e5\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\u83b7\u53d6\u6743\u9650\u57df\u540d\u670d\u52a1\u5668\u5730\u5740\uff1b\u672c\u5730\u6700\u540e\u67e5\u6743\u9650\u57df\u540d\u670d\u52a1\u5668\u83b7\u53d6IP\uff0c\u5373\u5c42\u5c42\u5411\u4e0b\u67e5\u8be2<\/li>\n<li>\u8f6c\u53d1\u6a21\u5f0f\uff1a\u672c\u5730DNS\u670d\u52a1\u5668\u5411\u4e0a\u4e00\u7ea7DNS\u670d\u52a1\u5668\u67e5\u8be2\uff0c\u82e5\u65e0\u6cd5\u89e3\u6790\u5219\u5c42\u5c42\u5411\u4e0a\u67e5\u8be2\uff0c\u4e00\u76f4\u5230\u6839DNS\u670d\u52a1\u5668\uff1b<\/li>\n<\/ul>\n<p>\u6700\u540e\uff0c\u672c\u5730DNS\u670d\u52a1\u5668\u5c06\u5f97\u5230\u7684IP\u5730\u5740\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<h1>4. HTTP\u62a5\u6587\u7ed3\u6784<\/h1>\n<h2>4.1. \u8bf7\u6c42\u62a5\u6587\u7ed3\u6784<\/h2>\n<p>\u8bf7\u6c42\u65b9\u6cd5\u3001URL\u3001\u534f\u8bae\u7248\u672c\u3001\u5934\u90e8\u5b57\u6bb5\u3001\u8bf7\u6c42\u4f53<\/p>\n<h2>4.2. \u54cd\u5e94\u62a5\u6587\u7ed3\u6784<\/h2>\n<p>\u534f\u8bae\u7248\u672c\u3001\u72b6\u6001\u7801\u3001\u72b6\u6001\u7801\u63cf\u8ff0\u3001\u5934\u90e8\u5b57\u6bb5\u3001\u54cd\u5e94\u4f53<\/p>\n<h1>5. HTTP\u72b6\u6001\u7801<\/h1>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u72b6\u6001\u7801<\/th>\n<th style=\"text-align: center;\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">100<\/td>\n<td style=\"text-align: center;\">Continue(http1.1 \u4ee5\u540e\u9650\u5b9a)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">200<\/td>\n<td style=\"text-align: center;\">Success \u6210\u529f<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">301<\/td>\n<td style=\"text-align: center;\">\u6c38\u4e45\u91cd\u5b9a\u5411\u3002\u65b0\u7684URL\u5728\u54cd\u5e94\u62a5\u6587\u7684\u5934\u90e8\u5b57\u6bb5location\u7ed9\u51fa\uff0c\u6d4f\u89c8\u5668\u5e94\u5f53\u81ea\u52a8\u8bbf\u95ee\u65b0\u7684URL<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">302<\/td>\n<td style=\"text-align: center;\">\u4e34\u65f6\u91cd\u5b9a\u5411<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">400<\/td>\n<td style=\"text-align: center;\">Bad Request \u8bf7\u6c42\u8bed\u6cd5\u9519\u8bef<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">401<\/td>\n<td style=\"text-align: center;\">Unauthorized \u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u53d7\u5bc6\u7801\u4fdd\u62a4\u7684\u9875\u9762\uff0c\u54cd\u5e94\u62a5\u6587\u4f1a\u5305\u62ec\u4e00\u4e2a\u586b\u5199\u7528\u6237\u5bc6\u7801\u7684\u5934\u90e8\u5b57\u6bb5<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">403<\/td>\n<td style=\"text-align: center;\">Forbbiden \u62d2\u7edd\u5bf9\u8d44\u6e90\u7684\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">404<\/td>\n<td style=\"text-align: center;\">Not Found \u627e\u4e0d\u5230\u8d44\u6e90<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">500<\/td>\n<td style=\"text-align: center;\">Internal Error \u670d\u52a1\u5668\u5185\u90e8\u9519\u8bef<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">502<\/td>\n<td style=\"text-align: center;\">Bad gateway \u670d\u52a1\u5668\u4f5c\u4e3a\u7f51\u5173\u6216\u53cd\u5411\u4ee3\u7406\uff0c\u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u6536\u5230\u65e0\u6548\u6548\u5e94<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">503<\/td>\n<td style=\"text-align: center;\">Service Unavailable \u670d\u52a1\u5668\u8d85\u8f7d\u6216\u505c\u673a<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">504<\/td>\n<td style=\"text-align: center;\">Gateway Timeout  \u670d\u52a1\u5668\u4f5c\u4e3a\u7f51\u5173\u6216\u53cd\u5411\u4ee3\u7406\uff0c\u8fdc\u7a0b\u670d\u52a1\u5668\u5e94\u7b54\u8d85\u65f6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1>6. HTTP1.0\u548c1.1\u533a\u522b<\/h1>\n<ul>\n<li>\u957f\u8fde\u63a5\uff1a<br \/>\nHTTP1.1\u9ed8\u8ba4TCP\u957f\u8fde\u63a5\uff0c1.0\u9ed8\u8ba4\u77ed\u8fde\u63a5<\/li>\n<li>Host\u5b57\u6bb5\uff1a<br \/>\n1.1\u6dfb\u52a0host\u5934\u90e8\u5b57\u6bb5\u4e14\u9ed8\u8ba4\u5fc5\u987b\u4f7f\u7528\uff08\u5426\u5219400 Bad Request\uff09\uff0c\u7528\u4e8e\u5904\u7406\u4e00\u53f0\u670d\u52a1\u5668\u90e8\u7f72\u591a\u4e2a\u865a\u62df\u4e3b\u673a\u4f5c\u4e3a\u4e0d\u540c\u7684web server\uff0c\u800c\u4ed6\u4eec\u516c\u7528\u540c\u4e00\u4e2aIP\u7684\u60c5\u51b5\u3002<\/li>\n<li>\u72b6\u6001\u7801100:<br \/>\n1.1\u5141\u8bb8\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u4e0d\u5e26\u8bf7\u6c42\u4f53(request body)\u7684HTTP\u8bf7\u6c42\u5305\u4f5c\u4e3a\u8bd5\u63a2\uff0c\u670d\u52a1\u5668\u6536\u5230\u540e\u82e5\u5141\u8bb8\u5219\u8fd4\u56de100continue\uff0c\u6b64\u65f6\u5ba2\u6237\u7aef\u518d\u53d1\u9001(request body)\uff0c\u7528\u4e8e\u51cf\u5c11\u5e26\u5bbd\uff1b\u82e5\u4e0d\u5141\u8bb8\u5219\u8fd4\u56de401 Unauthorized \uff0c\u8981\u6c42\u5ba2\u6237\u7aef\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1<\/li>\n<\/ul>\n<h1>7. HTTP 2\u7684\u533a\u522b<\/h1>\n<ul>\n<li>\u591a\u8def\u590d\u7528\uff1a<br \/>\nHTTP 1.x \u7684\u4e00\u6b21\u8fde\u63a5\u91cc\uff0c\u5728\u6536\u5230\u672c\u6b21\u8bf7\u6c42\u7684\u54cd\u5e94\u4e4b\u524d\u4e0d\u80fd\u591f\u53d1\u51fa\u65b0\u7684\u8bf7\u6c42\u3002\u5982\u679c\u60f3\u5e76\u53d1\u591a\u4e2a\u8bf7\u6c42\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u591a\u4e2aTCP\u8fde\u63a5\uff08\u4e14\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6d4f\u89c8\u5668\u4e3a\u4e86\u63a7\u5236\u8d44\u6e90\u4f7f\u7528\uff0c\u4f1a\u5bf9\u5355\u4e2a\u57df\u540d\u67096-8\u4e2a\u7684TCP\u8fde\u63a5\u8bf7\u6c42\u9650\u5236\uff09\uff1bHTTP2.0\u4e2d\u5f15\u5165\u4e86\u6d41\u8fd9\u4e00\u6982\u5ff5\uff0c\u5728\u4e00\u4e2a\u8fde\u63a5\u4e0a\u5efa\u7acb\u591a\u4e2a\u865a\u62df\u4fe1\u9053\uff0c\u6bcf\u4e2a\u4fe1\u9053\u4f5c\u4e3a\u6d41\uff0c\u4ee3\u8868\u4e00\u6b21\u5b8c\u6574\u7684\u8bf7\u6c42-\u54cd\u5e94\u8fc7\u7a0b\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5141\u8bb8\u540c\u65f6\u901a\u8fc7\u5355\u4e00\u8fde\u63a5\u53d1\u8d77\u591a\u91cd\u8bf7\u6c42-\u54cd\u5e94\u3002\u6bcf\u4e2a\u6d41\u6709\u552f\u4e00\u7684\u6574\u6570ID\u4f5c\u4e3a\u76f8\u4e92\u533a\u5206\uff0c\u6d41\u5185\u7684\u901a\u4fe1\u5355\u4f4d\u662f\u5e27\u3002<\/li>\n<li>\u4e8c\u8fdb\u5236\u5206\u5e27\uff1a<br \/>\n\u4e0d\u518d\u4ee5\u6587\u672c\u65b9\u5f0f\u53d1\u9001\u62a5\u6587\uff0c\u800c\u662f\u4ee5\u4e8c\u8fdb\u5236\u7f16\u7801\u65b9\u5f0f\uff0c\u89e3\u6790\u66f4\u9ad8\u6548\u3002\u5e27\u7684\u9996\u90e8\u5b57\u6bb5\u4f1a\u8bb0\u5f55\u6240\u5c5e\u7684\u6d41\uff0c\u6240\u4ee5\u5373\u4f7f\u53d1\u9001\u7684\u5e27\u662f\u65e0\u5e8f\u7684\uff0c\u63a5\u6536\u65b9\u6536\u5230\u6570\u636e\u4ee5\u540e\u4e5f\u53ef\u4ee5\u6839\u636e\u6d41\u6807\u8bc6\u8fdb\u884c\u91cd\u7ec4<\/li>\n<li>\u9996\u90e8\u538b\u7f29\uff1a<br \/>\n\u652f\u6301\u538b\u7f29\u7b97\u6cd5\uff0c\u538b\u7f29\u8bf7\u6c42\u5934\uff0c\u51cf\u5c0f\u62a5\u6587\u5927\u5c0f<\/li>\n<li>\u670d\u52a1\u5668\u63a8\u9001\uff1a<br \/>\n\u670d\u52a1\u7aef\u53ef\u4ee5\u5728\u53d1\u9001\u9875\u9762HTML\u65f6\u4e3b\u52a8\u63a8\u9001\u5176\u5b83\u8d44\u6e90\uff0c\u800c\u4e0d\u7528\u7b49\u5230\u6d4f\u89c8\u5668\u89e3\u6790\u5230\u76f8\u5e94\u4f4d\u7f6e\uff0c\u53d1\u8d77\u8bf7\u6c42\u518d\u54cd\u5e94\u3002\u4f8b\u5982\u670d\u52a1\u7aef\u53ef\u4ee5\u4e3b\u52a8\u628aJS\u548cCSS\u6587\u4ef6\u63a8\u9001\u7ed9\u5ba2\u6237\u7aef\uff0c\u800c\u4e0d\u9700\u8981\u5ba2\u6237\u7aef\u89e3\u6790HTML\u65f6\u518d\u53d1\u9001\u8fd9\u4e9b\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/26559480\">https:\/\/zhuanlan.zhihu.com\/p\/26559480<\/a><br \/>\n<a href=\"https:\/\/zh.wikipedia.org\/zh-hans\/HTTP\/2\">https:\/\/zh.wikipedia.org\/zh-hans\/HTTP\/2<\/a><\/p>\n<h1>8. HTTPS<\/h1>\n<h2>8.1. HTTP\u548cHTTPS\u533a\u522b<\/h2>\n<ul>\n<li>\u7aef\u53e3\uff1aHTTP\u662f80\uff0cHTTPS\u662f443<\/li>\n<li>\u5b89\u5168\u6027\uff1aHTTP\u65e0\u52a0\u5bc6\uff0c\u662f\u660e\u6587\uff1bHTTPS\u6709\u57fa\u4e8e\u975e\u5bf9\u79f0\u548c\u5bf9\u79f0\u52a0\u5bc6\u673a\u5236\uff0c\u4fdd\u8bc1\u5b89\u5168<\/li>\n<li>\u6027\u80fd\uff1aHTTPS\u6bd4HTTP\u8981\u5360\u7528\u66f4\u591a\u7684\u8d44\u6e90<\/li>\n<\/ul>\n<h2>8.2. HTTPS\u63e1\u624b\u8fc7\u7a0b<\/h2>\n<p>\u9996\u5148\u8fdb\u884c\u6b63\u5e38\u7684TCP\u4e09\u6b21\u63e1\u624b\uff1b<br \/>\n\u5728\u4e09\u6b21\u63e1\u624b\u7684\u6700\u540e\u4e00\u6b21\u63e1\u624b\uff08\u5373Client-&gt;Server ACK\uff09\u7684payload\u4e2d\uff0c\u5ba2\u6237\u7aef\u5c06\u652f\u6301\u7684\u52a0\u5bc6\u7b97\u6cd5\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\uff1b<br \/>\n\u670d\u52a1\u7aef\u9009\u62e9\u4e00\u5957\u5ba2\u6237\u7aef\u652f\u6301\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5c06CA\u7b7e\u53d1\u7684\u8bc1\u4e66\u4f20\u9012\u7ed9\u5ba2\u6237\u7aef\uff0c\u6b64\u8bc1\u4e66\u5305\u62ec\u4e86<strong>\u670d\u52a1\u5668\u4fe1\u606f\u3001\u670d\u52a1\u5668\u516c\u94a5\u548c\u6570\u5b57\u7b7e\u540d<\/strong>\uff08\u6458\u8981\uff09\uff0c\u4e14\u7ecf\u8fc7CA\u7684\u79c1\u94a5\u52a0\u5bc6\uff1b<br \/>\n\u5ba2\u6237\u7aef\u9a8c\u8bc1CA\u8bc1\u4e66\u662f\u5426\u88ab\u672c\u5730\u4fdd\u5b58\u8fc7\u7684CA\u6839\u8bc1\u4e66\u4fe1\u4efb\u3002\u82e5\u5426\uff0c\u5f39\u51fa\u8b66\u544a\uff1b<br \/>\n\u82e5\u662f\uff0c\u5219\u4f7f\u7528\u5bf9\u5e94\u7684CA\u6839\u8bc1\u4e66\u4e2d\u7684CA\u516c\u94a5\u5bf9\u670d\u52a1\u7aef\u53d1\u6765\u7684\u8bc1\u4e66\u8fdb\u884c\u89e3\u5bc6\uff0c\u83b7\u5f97<strong>\u670d\u52a1\u5668\u516c\u94a5<\/strong>\u548c<strong>\u6570\u5b57\u7b7e\u540d<\/strong>\uff1b\u4f7f\u7528\u89e3\u5bc6\u5f97\u5230\u7684\u670d\u52a1\u5668\u516c\u94a5\u5bf9\u660e\u6587\u90e8\u5206\u8fdb\u884c\u54c8\u5e0c\uff0c\u5c06\u7ed3\u679c\u548c\u6570\u5b57\u7b7e\u540d\u8fdb\u884c\u6bd4\u8f83\u3002\u82e5\u4e00\u81f4\uff0c\u5219\u8bc1\u660e\u8bc1\u4e66\u672a\u7ecf\u7be1\u6539\uff1b<br \/>\n\u5ba2\u6237\u7aef\u751f\u6210\u4e00\u4e2a\u5bf9\u79f0\u52a0\u5bc6\u7528\u7684\u968f\u673a\u79d8\u94a5\uff0c\u7528\u670d\u52a1\u5668\u516c\u94a5\u52a0\u5bc6\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\u3002<br \/>\n\u670d\u52a1\u7aef\u62ff\u5230\u62a5\u6587\uff0c\u7528\u79c1\u94a5\u89e3\u5bc6\uff0c\u83b7\u5f97\u5bf9\u79f0\u52a0\u5bc6\u7528\u7684\u968f\u673a\u79d8\u94a5\u3002<br \/>\n\u670d\u52a1\u7aef\u7528\u968f\u673a\u79d8\u94a5\u53d1\u9001\u63e1\u624b\u7ed3\u675f\u4fe1\u606f\u7ed9\u5ba2\u6237\u7aef\u3002<br \/>\n\u5230\u6b64\u6b63\u5f0f\u5efa\u7acb\u8fde\u63a5\uff0c\u53cc\u65b9\u5f00\u59cb\u7528\u968f\u673a\u79d8\u94a5\u8fdb\u884c\u5bf9\u79f0\u52a0\u5bc6\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n<h1>9. GET\u548cPOST\u533a\u522b<\/h1>\n<ul>\n<li>\u529f\u80fd\uff1aGET\u662f\u83b7\u53d6\u8d44\u6e90\uff0cPOST\u662f\u63d0\u4ea4\u6570\u636e\u4fee\u6539<\/li>\n<li>\u53c2\u6570\u7684\u4f4d\u7f6e\uff1aGET\u7684\u53c2\u6570\u5728URL\u4e2d\uff0cPOST\u7684\u5219\u5728HTTP\u8bf7\u6c42\u62a5\u6587\u7684\u8bf7\u6c42\u4f53request body\u4e2d\u3002<\/li>\n<li>\u957f\u5ea6\u9650\u5236\uff1aGET\u6536\u5230URL\u957f\u5ea6\u7684\u9650\u5236\uff1bPOST\u65e0\u9650\u5236<\/li>\n<li>\u5e42\u7b49\uff1aGET\u5e42\u7b49\uff1bPOST\u4e0d\u5e42\u7b49\uff0c\u5728\u6d4f\u89c8\u5668\u8fd4\u56de\u65f6\uff0c\u4f1a\u518d\u6b21\u63d0\u4ea4<\/li>\n<li>\u5386\u53f2\u8bb0\u5f55\uff1aGET\u7531\u4e8e\u53c2\u6570\u5728URL\uff0c\u4f1a\u88ab\u6d4f\u89c8\u5668\u8bb0\u5f55\uff1bPOST\u4e0d\u4f1a<\/li>\n<li>\u7f13\u5b58\uff1aGET\u7684\u5185\u5bb9\u53ef\u4ee5\u88ab\u6d4f\u89c8\u5668\u7f13\u5b58\uff0cPOST\u4e0d\u884c<\/li>\n<\/ul>\n<h1>10. \u77ed\u8fde\u63a5\u548c\u957f\u8fde\u63a5\u533a\u522b<\/h1>\n<ul>\n<li>\u77ed\u8fde\u63a5\uff1aCS\u4e4b\u95f4\u6bcf\u8fdb\u884c\u4e00\u6b21\u901a\u4fe1\u90fd\u5efa\u7acb\u4e00\u6b21\u8fde\u63a5\uff0c\u5b8c\u6210\u540e\u5173\u95ed\u3002\u8bf7\u6c42\u9891\u7e41\u65f6\uff0c\u8fde\u63a5\u5efa\u7acb\u548c\u5173\u95ed\u6d6a\u8d39\u5927\u91cf\u65f6\u95f4\u3002\u9002\u7528\u4e8eWEB\u7f51\u7ad9\u3002<\/li>\n<li>\u957f\u8fde\u63a5\uff1aCS\u4e4b\u95f4\u4e0d\u7acb\u523b\u65ad\u5f00\u8fde\u63a5\u3002\u9002\u7528\u4e8e\u6570\u636e\u5e93\uff0c\u6e38\u620f\u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n<h1>11. cookie\u548csession<\/h1>\n<h2>11.1. \u533a\u522b<\/h2>\n<ul>\n<li>\u4f4d\u7f6e\uff1acookie\u5728\u5ba2\u6237\u7aef\uff1bSession\u5728\u670d\u52a1\u7aef<\/li>\n<li>\u5b58\u50a8\uff1acookie\u662f\u6587\u4ef6\u7684\u65b9\u5f0f\u5b58\u50a8\uff1bSession\u662f\u5185\u5b58\u4e2d\u5b58\u50a8\uff0c\u53ef\u4ee5\u6301\u4e45\u5316\u5230\u786c\u76d8<\/li>\n<li>\u6301\u7eed\u65f6\u95f4\uff1acookie\u8fc7\u671f\u524d\u6301\u7eed\u5b58\u5728\uff0c\u6709\u6548\u671f\u5f88\u957f\uff1bSession\u4e00\u822c\u7528\u6237\u5173\u95ed\u6d4f\u89c8\u5668\u540e\u5c31\u91ca\u653e<\/li>\n<li>\u5b89\u5168\u6027\uff1acookie\u7531\u4e8e\u6587\u4ef6\u7684\u6027\u8d28\uff0c\u53ef\u4ee5\u88ab\u5176\u4ed6\u7a0b\u5e8f\u8bfb\u53d6\u548c\u4fee\u6539\uff0c\u4e0d\u591f\u5b89\u5168\uff1bSession\u5b89\u5168<\/li>\n<\/ul>\n<h2>11.2. \u4e8c\u8005\u673a\u5236\u7684\u914d\u5408<\/h2>\n<p>\u4e8c\u8005\u914d\u5408\u5728\u4e00\u8d77\u53ef\u4ee5\u5b9e\u73b0\u5728\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u4fdd\u5b58\u72b6\u6001\u3002\u5f53\u4e00\u4e2a\u65b0\u5ba2\u6237\u8bbf\u95ee\u5230\u670d\u52a1\u7aef\u65f6\uff0c\u670d\u52a1\u7aef\u542f\u52a8session\u673a\u5236\uff0c\u751f\u6210\u4e00\u4e2asid\uff0c\u5e76\u5728\u54cd\u5e94\u62a5\u6587\u4e2d\u7684\u5934\u90e8\u5b57\u6bb5\u52a0\u5165set-cookie:[sid\u5185\u5bb9]\uff0c\u5c06sid\u4f20\u9012\u7ed9\u5ba2\u6237\u7aef\u3002\u5ba2\u6237\u7aef\u5c06sid\u5b58\u5728cookie\u4e2d\u3002\u5728cookie\u6709\u6548\u671f\u5185\uff0c\u5ba2\u6237\u7aef\u518d\u53d1\u8d77\u8bf7\u6c42\u65f6\uff0c\u4f1a\u5728\u8bf7\u6c42\u62a5\u6587\u7684\u5934\u90e8\u5b57\u6bb5\u52a0\u5165cookie\u5b57\u6bb5\uff0c\u5176\u4e2d\u5c31\u5305\u62ec\u4e86sid\u3002<\/p>\n<h2>11.3. \u7981\u7528cookie\uff1f<\/h2>\n<p>\u5ba2\u6237\u7aef\u7981\u7528cookie\u540e\u53ef\u4ee5\u901a\u8fc7<strong>URL\u91cd\u5199<\/strong>\u7684\u65b9\u5f0f\uff0c\u5373\u5728URL\u4e2d\u52a0\u5165sid=xxxx\u3002\u5728\u8fd9\u79cd\u65b9\u5f0f\u4e0b\uff0c\u5373\u4f7f\u7981\u7528\u4e86cookie\u4e5f\u4ecd\u53ef\u4ee5\u4f7f\u7528session\u673a\u5236\u4fdd\u5b58\u4f1a\u8bdd\u72b6\u6001<\/p>\n<h1>12. TCP\u548cUDP\u533a\u522b<\/h1>\n<ul>\n<li>\u8fde\u63a5\uff1aTCP\u6709\u8fde\u63a5\uff1bUDP\u65e0\u8fde\u63a5<\/li>\n<li>\u53ef\u9760\u6027\uff1aTCP\u6709\u53ef\u9760\u6027\u673a\u5236\uff0c\u65e0\u5dee\u9519\u548c\u4e22\u5931\u6309\u5e8f\u4ea4\u4ed8\uff1bUDP\u65e0\uff0c\u53ea\u5c3d\u529b\u4ea4\u4ed8<\/li>\n<li>\u7aef\u70b9\u6570\u91cf\uff1aTCP\u5fc5\u987b\u4e00\u5bf9\u4e00\uff1bUDP\u53ef\u4ee5\u4e00\u5bf9\u591a\uff08\u7ec4\u64ad\u3001\u5e7f\u64ad\uff09\uff0c\u591a\u5bf9\u4e00\uff0c\u591a\u5bf9\u591a<\/li>\n<li>\u62e5\u585e\u63a7\u5236\uff1aTCP\u63d0\u4f9b\u62e5\u585e\u63a7\u5236\uff1bUDP\u65e0<\/li>\n<li>\u5b57\u8282\u6d41\uff1aTCP\u9762\u5411\u5b57\u8282\u6d41\uff0c\u6709\u62a5\u6587\u7684\u6700\u5c0f\u957f\u5ea6\u5355\u4f4d\uff0c\u6240\u4ee5\u4f1a\u5bf9\u62a5\u6587\u8fdb\u884c\u5207\u5206\uff0c\u6709\u7c98\u5305\u62c6\u5305\u95ee\u9898\uff1bUDP\u662f\u9762\u5411\u62a5\u6587\u7684\uff0c\u4e00\u4e2aUDP\u6570\u636e\u5305\u5c31\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u5305\uff0c\u4e0d\u5b58\u5728\u62c6\u5206<\/li>\n<li>\u53cc\u5de5\uff1aTCP\u5c5e\u4e8e\u5168\u53cc\u5de5\uff1bUDP\u4e00\u822c\u4e0d\u8fdb\u884c\u53cc\u5de5\u6027\u8d28\u7684\u8ba8\u8bba\uff0c\u5982\u679c\u975e\u8981\u8bf4\u7684\u8bdd\u4e5f\u662f\u6ee1\u8db3\u5168\u53cc\u5de5\u5b9a\u4e49\u7684\u3002<\/li>\n<\/ul>\n<p>\u6b64\u5916\uff0c\u4e8c\u8005\u62a5\u6587\u5934\u957f\u5ea6\u4e0d\u540c\u3002<\/p>\n<h1>13. TCP\u7684\u63e1\u624b\u548c\u6325\u624b<\/h1>\n<h2>13.1. \u4e09\u6b21\u63e1\u624b<\/h2>\n<p>\u7565<\/p>\n<h2>13.2. \u521d\u59cb\u5e8f\u5217\u53f7\u7684\u9009\u62e9<\/h2>\n<p>\u7528\u4e00\u79cd\u54c8\u5e0c\u7b97\u6cd5\u968f\u673a\u751f\u6210\uff0c\u968f\u673a\u56e0\u5b50\u5305\u62ec\u65f6\u95f4\u3001\u53cc\u65b9\u7684ip\u3001\u53cc\u65b9\u7684\u7aef\u53e3\u53f7\u3002\u968f\u673a\u7684\u539f\u56e0\u662f\u5982\u679c\u7f51\u7edc\u6ce2\u52a8\uff0c\u4e0a\u4e00\u6b21\u8fde\u63a5\u7684\u5305\u5ef6\u65f6\u5230\u8fbe\u4e0b\u4e00\u6b21\u8fde\u63a5\u4e2d\uff0c\u4f1a\u5bfc\u81f4\u4e71\u5957<\/p>\n<h2>13.3. \u4e3a\u4ec0\u4e48\u4e0d\u80fd\u662f\u4e24\u6b21\u63e1\u624b<\/h2>\n<p>\u5728\u4e24\u6b21\u63e1\u624b\u4e0b\uff0c\u82e5\u7b2c\u4e00\u6b21C-&gt;S\u7684\u8fde\u63a5\u5efa\u7acb\u8bf7\u6c42\u56e0\u4e3a\u7f51\u7edc\u5ef6\u8fdf\u672a\u5230\u8fbe\uff0c\u6b64\u65f6C\u91cd\u53d1\u8fde\u63a5\u5efa\u7acb\u8bf7\u6c42\uff0c\u53cc\u65b9\u5b8c\u6210\u901a\u4fe1\u540e\u65ad\u5f00\u8fde\u63a5\uff0c\u6b64\u65f6\u7b2c\u4e00\u4e2a\u5ef6\u8fdf\u7684\u5efa\u7acb\u8bf7\u6c42\u5230\u8fbe\uff0c\u5219S\u4f1a\u5efa\u7acb\u8fde\u63a5\uff0c\u800c\u6b64\u8fde\u63a5\u5c31\u9020\u6210\u4e86\u8d44\u6e90\u7684\u6d6a\u8d39<\/p>\n<h2>13.4. \u56db\u6b21\u6325\u624b<\/h2>\n<p>\u7565\uff0c\u6ce8\u610f\u5206\u6e05TIME_WAIT\u548cCLOSE_WAIT<\/p>\n<h2>13.5. \u4e3a\u4ec0\u4e48\u4e0d\u80fd\u662f\u4e24\u6b21\u6325\u624b\u3001\u4e09\u6b21\u6325\u624b\uff1f<\/h2>\n<p>\u4e0d\u80fd\u662f\u4e24\u6b21\u6325\u624b\uff1a\u88ab\u52a8\u7aef\u53ef\u80fd\u8fd8\u9700\u8981\u53d1\u6570\u636e<br \/>\n\u4e0d\u80fd\u662f\u4e09\u6b21\u6325\u624b\uff1a\u82e5S-&gt;C\u7684FIN+ACK\u5305\u4e22\u5931\uff0cC\u5c31\u53ea\u80fd\u4e00\u76f4\u7b49\uff0c\u4f46\u662fS\u5df2\u7ecf\u5173\u95ed\u4e86\u8fde\u63a5\u3002\u56db\u6b21\u6325\u624b\u4e0b\uff0c\u82e5S-&gt;C\u7684FIN+ACK\u4e22\u5305\uff0cS\u5728\u7b49\u4e0d\u5230\u6700\u540e\u4e00\u4e2aACK\u5305\u7684\u60c5\u51b5\u4e0b\u4f1a\u4e3b\u52a8\u91cd\u53d1FIN+ACK\u5305<\/p>\n<h2>13.6. \u4e3a\u4ec0\u4e48\u7b49\u5f852MSL\u624d\u6b63\u5f0f\u5173\u95ed\u8fde\u63a5\uff1f<\/h2>\n<p>\u6700\u4e3b\u8981\u7684\u539f\u56e0\uff1a\u5982\u679cC-&gt;S\u7684\u6700\u540e\u4e00\u4e2aACK\u4e22\u5305\uff0cS\u4f1a\u91cd\u4f20\uff0c\u6b64\u91cd\u4f20\u5305\u7684\u65f6\u5ef6\u4e0d\u8d85\u8fc72MSL\u3002<br \/>\n\u6b21\u8981\uff1a2MSL\u540e\u6b64TCP\u8fde\u63a5\u7684\u6240\u6709\u62a5\u6587\u90fd\u4f1a\u5931\u6548\uff0c\u9632\u6b62\u672c\u6b21\u4f1a\u8bdd\u5bf9\u4e0b\u6b21\u9020\u6210\u5e72\u6270\uff1b<\/p>\n<h1>14. \u5927\u91cfTIME_WAIT\u7684\u5904\u7406\u65b9\u6cd5<\/h1>\n<p>\u53ef\u4ee5\u8c03\u6574\u5185\u6838\u53c2\u6570\uff0c\u5141\u8bb8\u5c06TIME_WAIT\u7684socket\u7528\u4e8e\u5efa\u7acb\u65b0\u7684\u8fde\u63a5\u3002<\/p>\n<h1>15. DDoS\u76f8\u5173<\/h1>\n<h2>15.1. \u5e38\u89c1DDoS\u5206\u7c7b<\/h2>\n<p>\u5927\u91cfSYN\uff08SYN FLOOD)\uff1a\u5c5e\u4e8e\u4f20\u8f93\u5c42DDoS\uff0c\u6324\u7206\u670d\u52a1\u5668\u7684\u534a\u8fde\u63a5\u961f\u5217<br \/>\n\u5927\u91cf\u957f\u8fde\u63a5\uff1a\u5c5e\u4e8e\u8fde\u63a5\u578bDDoS\uff0c\u8017\u5c3d\u670d\u52a1\u5668\u7684\u8fde\u63a5\u961f\u5217<br \/>\n\u8fde\u63a5\u7acb\u523b\u5173\u95ed\uff0c\u518d\u7acb\u523b\u5f00<br \/>\n<a href=\"https:\/\/help.aliyun.com\/document_detail\/28401.html?utm_content=g_1000230851&amp;spm=5176.20966629.toubu.3.f2991ddcpxxvD1#title-xnq-03p-8tr\">https:\/\/help.aliyun.com\/document_detail\/28401.html?utm_content=g_1000230851&spm=5176.20966629.toubu.3.f2991ddcpxxvD1#title-xnq-03p-8tr<\/a><\/p>\n<h2>15.2. SYN Cookie<\/h2>\n<p>\u7b80\u5316\u670d\u52a1\u7aef\u63a5\u53d7SYN\u540e\u7684\u521d\u59cb\u5316\u8fde\u63a5\u7684\u72b6\u6001\uff0c\u4e0d\u5206\u914d\u8d44\u6e90\uff0c\u63a8\u8fdf\u5168\u72b6\u6001\u7684\u5b9e\u4f8b\u5316\uff1b<br \/>\n\u4ee5\u65f6\u95f4\u6233\u3001\u5ba2\u6237\u7aef\u7684\u4fe1\u606f\u505a\u54c8\u5e0c\u5f97\u5230cookie\uff0c\u5c06\u7ed3\u679c\u8bbe\u7f6e\u4e3aS-&gt;C\u7684SYN+ACK\u5305\u7684seq\uff1b<br \/>\n\u63a5\u6536\u5230C-&gt;S\u7684ACK\u540e\uff0c\u901a\u8fc7\u68c0\u67e5\u5305\u7684ACK\u9a8c\u8bc1cookie\u7684\u6b63\u786e\u6027\u3002\u82e5\u6b63\u786e\uff0c\u518d\u5206\u914d\u8d44\u6e90<br \/>\n<a href=\"https:\/\/baike.baidu.com\/item\/syn%20cookie\/6898884?fr=aladdin\">https:\/\/baike.baidu.com\/item\/syn%20cookie\/6898884?fr=aladdin<\/a><\/p>\n<h2>15.3. SYN FLOOD DDOS\u4e0b\uff0cserver\u5728SYN_RECV\u72b6\u6001\u4e0b\u6301\u7eed\u591a\u4e45\uff1f<\/h2>\n<p>\u5728TCP\u9ed8\u8ba4\u89c4\u5219\u4e0b\uff0c\u662f\u91cd\u4f205\u6b21SYN+ACK\u5305\u4ecd\u65e0\u6cd5\u6536\u5230ACK\u540e\u5173\u95ed\u8fde\u63a5<\/p>\n<h1>16. TCP\u5982\u4f55\u786e\u4fdd\u53ef\u9760<\/h1>\n<ul>\n<li>\u6ed1\u52a8\u7a97\u53e3\uff1a\u6784\u9020\u53d1\u9001\u548c\u63a5\u53d7\u7a97\u53e3\uff0c\u89e3\u51b3\u6570\u636e\u4e0d\u6309\u5e8f\u5230\u8fbe\u7684\u95ee\u9898\uff1b\u53d1\u9001\u65b9\u7a97\u53e3\u4e0d\u5f97\u5927\u4e8e\u63a5\u6536\u65b9\u7a97\u53e3\uff0c\u53ef\u4ee5\u63a7\u5236\u6d41\u91cf\uff1b\u63a5\u6536\u65b9\u5728\u7a97\u53e3\u5185\u91c7\u7528\u7d2f\u8ba1\u786e\u8ba4\u673a\u5236\uff1b<\/li>\n<li>\u8d85\u65f6\u91cd\u4f20\u673a\u5236<\/li>\n<li>\u62e5\u585e\u63a7\u5236\u673a\u5236<\/li>\n<\/ul>\n<h1>17. TCP\u62e5\u585e\u63a7\u5236\u7b97\u6cd5<\/h1>\n<h2>17.1. \u7ecf\u5178Reno\u65b9\u6848<\/h2>\n<ul>\n<li>\u6162\u542f\u52a8\uff1a\u7a97\u53e3\u4ece1\u4e2aMSS\u5f00\u59cb\uff0c\u6307\u6570\u589e\u957f<\/li>\n<li>\u62e5\u585e\u907f\u514d\uff1a\u8fbe\u5230cwnd\u4ee5\u540e\u53d8\u6210\u52a0\u6027\u589e\u957f<\/li>\n<li>\u5feb\u901f\u91cd\u4f20\uff1a\u53d1\u9001\u65b9\u6536\u5230\u8fde\u7eed\u4e09\u6b21\u76f8\u540cACK\u5219\u8ba4\u4e3a\u53d1\u751f\u62e5\u585e\uff0c\u7acb\u523b\u91cd\u4f20\uff0c\u4e0d\u7b49\u8d85\u65f6<\/li>\n<li>\u5feb\u901f\u6062\u590d\uff1a\u53d1\u751f\u62e5\u585e\u540ecwnd\u8bbe\u7f6e\u4e3a\u5f53\u524d\u7684\u4e00\u534a\uff0c\u968f\u540e\u7a97\u53e3\u8bbe\u7f6e\u4e3a\u65b0\u7684cwnd\uff0c\u76f4\u63a5\u8fdb\u5165\u62e5\u585e\u907f\u514d\u9636\u6bb5<\/li>\n<\/ul>\n<p>\u4f20\u8f93\u8d85\u65f6\u65f6\u4ecd\u7136\u91c7\u7528\u6162\u542f\u52a8\u548c\u62e5\u585e\u907f\u514d\u3002\u4e09\u4e2a\u8fde\u7eed\u76f8\u540cACK\u624d\u4f7f\u7528\u5feb\u901f\u91cd\u4f20\u548c\u5feb\u901f\u6062\u590d<\/p>\n<h2>17.2. \u5f53\u524dlinux\u5185\u6838\u9ed8\u8ba4\u65b9\u6848<\/h2>\n<p>\u5185\u68382.6.19(2006)\u7248\u672c\u540e\u662fCubic\u3002Cubic\u7684\u8bbe\u8ba1\u80cc\u666f\u662f\u7f51\u7edc\u57fa\u5efa\u5df2\u7ecf\u9ad8\u5ea6\u53d1\u8fbe\uff0c\u7f51\u7edc\u5e26\u5bbd\u76f8\u6bd4\u8fc7\u53bb\u5927\u5e45\u589e\u52a0\uff0c\u6b64\u65f6Reno\u65b9\u6848\u4e2d\u7684\u52a0\u6027\u589e\u957f\u7b56\u7565\u5c31\u663e\u5f97\u8fc7\u4e8e\u4fdd\u5b88\uff0c\u5728\u5076\u7136\u7684\u62e5\u585e\u540e\u89e6\u53d1\u62e5\u585e\u907f\u514d\u673a\u5236\uff0c\u6b64\u540e\u7684\u53d1\u9001\u901f\u7387\u589e\u957f\u90fd\u975e\u5e38\u7f13\u6162\uff0c\u5e76\u4e0d\u80fd\u6709\u6548\u5730\u5229\u7528\u5e26\u5bbd\u3002Cubic\u7684cwnd\u66f2\u7ebf\u7c7b\u4f3c\u4e09\u6b21\u51fd\u6570\uff0c\u589e\u957f\u5148\u6162\u540e\u5feb\uff0ccwnd\u5728\u786e\u4fdd\u8131\u79bb\u62e5\u585e\u70b9\u540e\u53ef\u4ee5\u5feb\u901f\u589e\u5927\uff0c\u66f4\u5feb\u5730\u627e\u5230\u6700\u9002\u5408\u5f53\u524d\u7f51\u7edc\u73af\u5883\u7684cwnd\u5927\u5c0f\u3002<br \/>\n\u5185\u68384.9\uff082016.2\uff09\u4ee5\u540e\u662fgoogle bbr<br \/>\n<a href=\"https:\/\/cloud.tencent.com\/developer\/article\/1482633\">https:\/\/cloud.tencent.com\/developer\/article\/1482633<\/a><\/p>\n<h1>18. TCP\u5b9a\u65f6\u5668<\/h1>\n<p>\u5e38\u7528\u7684\u6709\u8fd9\u4e9b\uff1a<br \/>\n\u8fde\u63a5\u5efa\u7acb\u5b9a\u65f6\u5668\uff1ac-&gt;s\u7684SYN\u5305\u65f6\u8bbe\u7f6e\u6b64\u5b9a\u65f6\u5668\uff0c\u9ed8\u8ba43\u79d2\uff0c\u82e5\u6ca1\u6709\u6536\u5230SYN+ACK\uff0c\u5219\u91cd\u53d1SYN\u5305\u3002<br \/>\n\u91cd\u4f20\u5b9a\u65f6\u5668\uff1a\u7528\u4e8e\u8d85\u65f6\u91cd\u4f20<br \/>\nFIN_WAIT_2\u5b9a\u65f6\u5668\uff1a\u4e3b\u52a8\u5173\u95ed\u4e00\u65b9\u5728\u53d1\u9001FIN\u3001\u6536\u5230\u9488\u5bf9FIN\u5305\u7684ACK\u540e\uff0c\u8fdb\u5165\u7b49\u5f85\u670d\u52a1\u5668\u53d1\u9001\u6700\u540e\u4e00\u6279\u6570\u636e\u7684\u72b6\u6001\uff0c\u6b64\u65f6\u542f\u52a8FIN_WAIT_2\u5b9a\u65f6\u5668\uff0c\u7528\u4e8e\u5904\u7406\u7f51\u7edc\u7a81\u7136\u5d29\u6e83\u7b49\u6545\u969c\u5bfc\u81f4\u670d\u52a1\u5668\u65e0\u6cd5\u53d1\u9001FIN\u5305\u7684\u60c5\u51b5\u3002\u8d85\u65f6\u540e\u76f4\u63a5\u5173\u95ed\u8fde\u63a5\u3001\u91ca\u653e\u8d44\u6e90\u3002<br \/>\nTIME_WAIT\u5b9a\u65f6\u5668\uff1a\u7565<\/p>\n<h1>19. TCP\u7684\u7c98\u5305\u62c6\u5305<\/h1>\n<h2>19.1. \u53d1\u751f\u539f\u56e0<\/h2>\n<p>TCP\u662f\u65e0\u8fb9\u754c\u7684\u9762\u5411\u5b57\u8282\u6d41\u534f\u8bae\uff0c\u8fd0\u884c\u65f6\u5c06\u6570\u636e\u653e\u5165\u7f13\u51b2\u533a\uff0c\u7f13\u51b2\u6ee1\u4ee5\u540e\u53d1\u9001\u3002\u82e5\u4e00\u4e2a\u6570\u636e\u5c0f\u4e8e\u7f13\u51b2\u533a\uff0c\u5219\u4f1a\u4e0e\u5176\u4ed6\u6570\u636e\u4e00\u8d77\u53d1\u51fa\u3002<\/p>\n<h2>19.2. \u89e3\u51b3\u65b9\u6848<\/h2>\n<p>\u7ea6\u5b9a\u6570\u636e\u7684\u524dX\u4f4d\u662f\u6570\u636e\u7684\u957f\u5ea6\uff1b\u8bbe\u7f6e\u56fa\u5b9a\u7684\u5f00\u59cb\/\u7ed3\u675f\u7b26\u3002<\/p>\n<h2>19.3. \u4e3a\u4ec0\u4e48UDP\u4e0d\u4f1a\u7c98\u5305<\/h2>\n<p>UDP\u662f\u9762\u5411\u6d88\u606f\u4f20\u8f93\u800c\u975e\u9762\u5411\u5b57\u8282\u6d41\uff0c\u6bcf\u4e00\u6b21\u53d1\u9001\/\u63a5\u53d7\u7684\u62a5\u6587\u90fd\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u6d88\u606f\uff0c\u4e14\u5305\u542b\u6d88\u606f\u5934\uff08\u6765\u6e90ip\u3001\u7aef\u53e3\u7b49\u4fe1\u606f\uff09\u4f5c\u4e3a\u6d88\u606f\u7684\u8fb9\u754c\uff0c\u6240\u4ee5\u4e0d\u5b58\u5728\u7c98\u5305\u95ee\u9898<br \/>\n<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/41709589\">https:\/\/zhuanlan.zhihu.com\/p\/41709589<\/a><\/p>\n<h1>20. UDP\u5982\u4f55\u5b9e\u73b0\u53ef\u9760<\/h1>\n<p>\u53c2\u8003TCP\uff0c\u53d1\u9001\u65b9\u52a0\u5165\u5e8f\u5217\u53f7\uff1b\u63a5\u6536\u65b9\u4f1a\u53d1\u9001\u786e\u8ba4\u4fe1\u606f\uff0c\u91c7\u7528\u6ed1\u52a8\u7a97\u53e3\u3001\u7d2f\u8ba1\u786e\u8ba4\uff1b\u53d1\u9001\u65b9\u4f1a\u8d85\u65f6\u91cd\u4f20<\/p>\n<h1>21. IP\u5730\u5740\u5206\u7c7b<\/h1>\n<ul>\n<li>A\u7c7b\u5730\u5740\uff1a\u7f51\u7edc\u53f7\u53601\u4e2a\u5b57\u8282\uff0c\u53ea\u67097\u4f4d\u53ef\u7528\uff08\u7b2c\u4e00\u4f4d\u56fa\u5b9a\u4e3a0\uff09\uff0c\u53ef\u6307\u6d3e\u7684\u7f51\u7edc\u53f7\u662f126\u4e2a\uff1a\u7f51\u7edc\u53f7\u51680\u8868\u793a\u672c\u7f51\u7edc\uff0c\u7f51\u7edc\u53f7127\u4fdd\u7559\u4f5c\u4e3a\u672c\u5730\u8f6f\u4ef6\u73af\u56de\u6d4b\u8bd5\u3002<\/li>\n<li>B\u7c7b\u5730\u5740\uff1a\u7f51\u7edc\u53f7\u53602\u4e2a\u5b57\u8282\uff0c\u524d\u9762\u4e24\u4f4d\u56fa\u5b9a\u4e3a10\u3002<\/li>\n<li>C\u7c7b\u5730\u5740\uff1a\u7f51\u7edc\u53f7\u53603\u4e2a\u5b57\u8282\uff0c\u524d\u9762\u4e09\u4f4d\u4e3a110\u3002<\/li>\n<li>D\u7c7b\u5730\u5740\uff1b\u524d4\u4f4d\u4e3a1110\u3002<\/li>\n<\/ul>\n<h1>22. MSS\u548cMTU<\/h1>\n<p>MTU\uff1aIP\u6570\u636e\u62a5\u5927\u5c0f\uff0c\u5c5e\u4e8e\u7f51\u7edc\u5c42\u3002\u5176\u503c\u53d7\u5230\u94fe\u8def\u5c42\u7684\u6761\u4ef6\u9650\u5236\uff0c\u5728\u4ee5\u592a\u7f51\u4e0b\u4e00\u822c\u662f1500Bytes\u3002<br \/>\nMSS\uff1aTCP\u6700\u5927\u62a5\u6587\u957f\u5ea6\uff0c\u5c5e\u4e8e\u4f20\u8f93\u5c42\uff0c\u5728TCP\u63e1\u624b\u65f6\u534f\u5546\uff08SYN\u62a5\u6587\u4e2d\uff09\u3002\u6ce8\u610fMSS\u662f\u6307\u8f7d\u8377payload\u7684\u5927\u5c0f\uff0c\u6545\u4e00\u822c\u662f1500 - 40\uff08TCP\u62a5\u6587\u5934\u6700\u592740\uff09=1460Bytes<\/p>\n<h1>23. \u8def\u7531\u9009\u62e9\u7b97\u6cd5<\/h1>\n<p>RIP\u8def\u7531\u9009\u62e9\u534f\u8bae\uff1a\u4e34\u8fd1\u8def\u7531\u5668\u4e4b\u95f4\u4ea4\u6362\u8def\u7531\u8868\uff0c\u82e5\u53d1\u73b0\u76f8\u90bb\u8def\u7531\u5668\u5230\u67d0\u76ee\u6807\u7f51\u6bb5\u8dc3\u70b9\u6570\u66f4\u5c0f\uff0c\u5219\u5c06\u8def\u7531\u76ee\u6807\u66ff\u6362\u4e3a\u8be5\u8def\u7531\u5668\uff0c\u8dc3\u70b9\u6570\u8bbe\u7f6e\u4e3a\u8be5\u8def\u7531\u5668\u4f20\u9012\u7684\u8def\u7531\u8868\u4e2d\u5bf9\u5e94\u9879\u7684\u8dc3\u70b9\u6570+1.<br \/>\n\u5c40\u9650\u6027\uff1a\u597d\u6d88\u606f\u4f20\u64ad\u5feb\uff0c\u574f\u6d88\u606f\uff08\u8282\u70b9\u6545\u969c\uff09\u4f20\u64ad\u6162<br \/>\n<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/488001974\">https:\/\/zhuanlan.zhihu.com\/p\/488001974<\/a><\/p>\n<h1>24. ICMP<\/h1>\n<p>\u56e0\u7279\u7f51\u63a7\u5236\u62a5\u6587\u534f\u8bae\uff08Internet Control Message Protocol\uff0cICMP\uff09\uff0c\u662fTCP\/IP\u534f\u8bae\u7c07\u7684\u4e00\u4e2a\u5b50\u534f\u8bae\uff0c\u5176<strong>\u62a5\u6587\u4f5c\u4e3aIP\u6570\u636e\u62a5\u7684payload<\/strong>\u3002ICMP\u7528\u6765\u5224\u65ad\u7f51\u7edc\u53ef\u8fbe\u6027\u548c\u8fdb\u884c\u94fe\u8def\u8ffd\u8e2a\uff0c\u5e38\u7528\u7684ping\u547d\u4ee4\u5c31\u662f\u57fa\u4e8eICMP\u5b9e\u73b0\u7684\uff0c\u8fd8\u6709\u8fdb\u884c\u94fe\u8def\u8ffd\u8e2a\u7684traceroute\u547d\u4ee4\uff08\u6253\u5370\u51fa\u5230\u8fbe\u76ee\u6807\u4e3b\u673a\u4e4b\u524d\u7ecf\u8fc7\u4e86\u54ea\u4e9b\u8def\u7531\u5668\uff09\u3002<br \/>\n\u5728ping\u547d\u4ee4\u4e0b\uff0c\u6e90\u4e3b\u673a\u5411\u76ee\u6807\u4e3b\u673a\u53d1\u9001ping\u8bf7\u6c42\u62a5\u6587\uff0c\u82e5\u80fd\u591f\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u6536\u5230ping\u5e94\u7b54\u62a5\u6587\uff0c\u5219\u5224\u65ad\u76ee\u6807\u53ef\u8fbe\u3002<br \/>\n<a href=\"https:\/\/blog.51cto.com\/u_14607063\/4672033\">https:\/\/blog.51cto.com\/u_14607063\/4672033<\/a><br \/>\n<a href=\"https:\/\/blog.csdn.net\/qq_34816080\/article\/details\/90734231\">https:\/\/blog.csdn.net\/qq_34816080\/article\/details\/90734231<\/a><\/p>\n<h1>25. ARP\u5730\u5740\u89e3\u6790\u534f\u8bae<\/h1>\n<p>\u4ecb\u4e8e\u7f51\u7edc\u5c42\u548c\u94fe\u8def\u5c42\u4e4b\u95f4\uff0c\u5b9e\u73b0IP\u5730\u5740\u5230MAC\u5730\u5740\u7684\u8f6c\u8bd1\u3002\u5404\u673a\u5668\u672c\u5730\u6709ARP\u7f13\u5b58\uff0c\u82e5\u7f13\u5b58\u6ca1\u6709\u6240\u9700\u7684\u8f6c\u6362\uff0c\u5219\u5728\u5c40\u57df\u7f51\u5185\u5e7f\u64ad\uff0c\u6536\u5230\u5e7f\u64ad\u4fe1\u53f7\u7684\u76ee\u7684\u4e3b\u673a\u53d1\u9001\u5e94\u7b54\u62a5\u6587\u3002<\/p>\n<h1>26. \u8f93\u5165\u7f51\u5740\u5230\u770b\u5230\u7f51\u9875\u7684\u5168\u8fc7\u7a0b<\/h1>\n<p>DNS\u89e3\u6790\uff08host-&gt;\u672c\u5730DNS\u7f13\u5b58-&gt;\u672c\u5730\u57df\u540d\u670d\u52a1\u5668-&gt;\u6839\u57df\u540d\u670d\u52a1\u5668-&gt;\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668-&gt;\u4e8c\u7ea7\u57df\u540d\u670d\u52a1\u5668\uff09<br \/>\n\u5efa\u7acbTCP\u8fde\u63a5\uff0c\u4e09\u6b21\u63e1\u624b<br \/>\nHTTP request\u4f5c\u4e3a\u63e1\u624b\u7684C-&gt;S ACK\u62a5\u6587\u53d1\u51fa<br \/>\n\u83b7\u5f97\u54cd\u5e94\u62a5\u6587\uff0c\u672c\u5730\u6e32\u67d3\u7f51\u9875<\/p>\n<h1>27. \u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u4e0e\u7f51\u5173\u670d\u52a1\u5668<\/h1>\n<p>\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u548c\u7f51\u5173\u670d\u52a1\u5668\uff08\u66f4\u51c6\u786e\u5730\uff0c\u6307API\u7f51\u5173\u670d\u52a1\u5668\uff09\u4f5c\u4e3a\u4e00\u4e2a\u7edf\u4e00\u7684\u5165\u53e3\uff0c\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u5e76\u5c06\u4e0d\u540c\u7684\u8bf7\u6c42\u53d1\u9001\u5230\u4e0d\u540c\u7684\u5e94\u7528\u670d\u52a1\u5668\u4e0a\uff1b\u5e94\u7528\u670d\u52a1\u5668\u5904\u7406\u5b8c\u540e\uff0c\u5c06\u54cd\u5e94\u901a\u8fc7\u53cd\u4ee3\/\u7f51\u5173\u670d\u52a1\u5668\u53d1\u9001\u7ed9\u5ba2\u6237\u3002\u8bbe\u7acb\u53cd\u5411\u4ee3\u7406\/\u7f51\u5173\u7684\u597d\u5904\u4e3b\u8981\u5206\u4e3a\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n<ul>\n<li>\u9694\u79bb\uff1a\u5916\u90e8\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u5185\u7f51\u670d\u52a1\u5668\uff1b<\/li>\n<li>\u89e3\u8026\uff1a\u5404\u4e2a\u5e94\u7528\u670d\u52a1\u5668\u5904\u7406\u5404\u81ea\u7684\u4e1a\u52a1\uff1b\u6b64\u5916\uff0c\u8fd8\u53ef\u628a\u9700\u8981\u627f\u8f7d\u9ad8\u5e76\u53d1\u3001\u9ad8\u6027\u80fd\u4efb\u52a1\u7684\u7f51\u7edc\u670d\u52a1\u72ec\u7acb\u51fa\u6765\uff1b<\/li>\n<li>\u5065\u58ee\uff1a\u4e00\u4e2a\u5e94\u7528\u670d\u52a1\u6302\u4e86\u4e0d\u5f71\u54cd\u5176\u4ed6\uff1b<\/li>\n<li>\u8d1f\u8f7d\u5747\u8861\uff1a\u5728\u6709\u5e94\u7528\u96c6\u7fa4\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u628a\u8bf7\u6c42\u53d1\u5f80\u8d1f\u8f7d\u4f4e\u7684\u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n<p>\u81f3\u4e8e\u4e8c\u8005\u7684\u533a\u522b\uff0c\u53ef\u4ee5\u53c2\u8003<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/371985627\">\u8fd9\u4e2a\u89e3\u7b54<\/a>\u3002\u7b80\u800c\u8a00\u4e4b\uff0cAPI\u7f51\u5173\u53ef\u4ee5\u89c6\u4e3a\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u7684\u6269\u5145\u7248\u672c\u3002<br \/>\n\u4e1a\u754c\u5e38\u89c1\u7684\u4f8b\u5b50\u6709\uff1aNGINX\u6d41\u884c\u7684\u4ee3\u7406\u6216\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff1bZuul\uff0c\u6d41\u884c\u7684API\u7f51\u5173\u670d\u52a1\u5668\uff0c\u5e7f\u6cdb\u7528\u4e8e\u5404\u79cd\u5fae\u670d\u52a1\u67b6\u6784\u3002<\/p>\n<blockquote>\n<p>\u9898\u5916\u8bdd\u5f15\u7533\uff1aHTTP\u72b6\u6001\u7801502 bad gateway\uff0c\u53cd\u4ee3\/\u7f51\u5173\u8fd4\u56de\u4e86\u65e0\u6548\u4fe1\u606f\uff1b504 gateway timeout \u53cd\u4ee3\/\u7f51\u5173\u54cd\u5e94\u8d85\u65f6<\/p>\n<\/blockquote>\n<h1>28. \u5355\u53f0\u670d\u52a1\u5668\u53ef\u4ee5\u7ef4\u62a4\u591a\u5c11\u8fde\u63a5\uff1f<\/h1>\n<p>\u7aef\u53e3\u53f7\u8303\u56f4\u662f0~65535\uff0c\u4f46\u662f0~1023\u662f\u7cfb\u7edf\u4fdd\u7559\u7aef\u53e3\uff0c\u6240\u4ee5\u7406\u8bba\u4e0a\u662f65536 - 1024\u4e2a<\/p>\n<h1>29. http keep-alive\/ tcp keep-alive\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h1>\n<p>http keep-alive\uff0c\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u534f\u5546\u597d\uff0c\u8fde\u63a5\u4e0d\u5173\u95ed\uff0c\u53ef\u4ee5\u7ee7\u7eed\u4f7f\u7528\u3002<br \/>\ntcp keep-alive\uff0c\u7531\u64cd\u4f5c\u7cfb\u7edf\u81ea\u5df1\u53bb\u7ef4\u6d3b\uff0c\u8d85\u8fc7\u4e00\u6bb5\u65f6\u95f4\u56de\u6536\u3002<\/p>\n<h1>TODO: socket \u901a\u4fe1API<\/h1>\n","protected":false},"excerpt":{"rendered":"<p>1. \u524d\u8a00 \u672c\u7bc7\u5728\u77e5\u8bc6\u8986\u76d6\u5b8c\u6574\u5ea6\u4e0a\u53ef\u80fd\u4e0d\u5982\u7f51\u4e0a\u4e00\u4e9b\u9ad8\u8d28\u91cf\u7684\u9762\u8bd5\u9898\u6574\u7406\uff0c\u4f46\u662f\u53ef\u4ee5\u4fdd\u8bc1\u89e3\u7b54\u6587\u672c\u7684\u7b80\u660e\u627c\u8981\uff0c\u5bb9\u6613\u7406\u89e3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[31],"class_list":["post-265","post","type-post","status-publish","format-standard","hentry","category-3","tag-31"],"_links":{"self":[{"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/posts\/265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/comments?post=265"}],"version-history":[{"count":0,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/posts\/265\/revisions"}],"wp:attachment":[{"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/media?parent=265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/categories?post=265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cococat.top\/index.php\/wp-json\/wp\/v2\/tags?post=265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}