{"id":629,"date":"2022-07-23T17:04:15","date_gmt":"2022-07-23T09:04:15","guid":{"rendered":"https:\/\/www.qiangzhenshuai.com\/?p=629"},"modified":"2022-08-02T13:39:34","modified_gmt":"2022-08-02T05:39:34","slug":"nginx-http","status":"publish","type":"post","link":"https:\/\/www.qiangzhenshuai.com\/?p=629","title":{"rendered":"NGINX-http"},"content":{"rendered":"\r\n\r\n

1.http\u4ecb\u7ecd<\/h1>\r\n\r\n\r\n\r\n

HTTP\u662f\u4e00\u4e2a \u5ba2\u6237\u7aef\u548c \u670d\u52a1\u5668\u7aef\u8bf7\u6c42\u548c\u5e94\u7b54\u7684\u6807\u51c6\uff08TCP\uff09\u3002\u5ba2\u6237\u7aef\u662f\u7ec8\u7aef\u7528\u6237\uff0c\u670d\u52a1\u5668\u7aef\u662f\u7f51\u7ad9\u3002\u901a\u8fc7\u4f7f\u7528 Web\u6d4f\u89c8\u5668\u3001 \u7f51\u7edc\u722c\u866b\u6216\u8005\u5176\u5b83\u7684\u5de5\u5177\uff0c\u5ba2\u6237\u7aef\u53d1\u8d77\u4e00\u4e2a\u5230\u670d\u52a1\u5668\u4e0a\u6307\u5b9a\u7aef\u53e3\uff08\u9ed8\u8ba4 \u7aef\u53e3\u4e3a80\uff09\u7684HTTP\u8bf7\u6c42\u3002\uff08\u6211\u4eec\u79f0\u8fd9\u4e2a\u5ba2\u6237\u7aef\uff09\u53eb\u7528\u6237\u4ee3\u7406\uff08user agent\uff09\u3002\u5e94\u7b54\u7684\u670d\u52a1\u5668\u4e0a\u5b58\u50a8\u7740\uff08\u4e00\u4e9b\uff09\u8d44\u6e90\uff0c\u6bd4\u5982HTML\u6587\u4ef6\u548c\u56fe\u50cf\u3002\uff08\u6211\u4eec\u79f0\uff09\u8fd9\u4e2a\u5e94\u7b54\u670d\u52a1\u5668\u4e3a\u6e90\u670d\u52a1\u5668\uff08origin server\uff09\u3002\u5728\u7528\u6237\u4ee3\u7406\u548c\u6e90\u670d\u52a1\u5668\u4e2d\u95f4\u53ef\u80fd\u5b58\u5728\u591a\u4e2a\u4e2d\u95f4\u5c42\uff0c\u6bd4\u5982\u4ee3\u7406\uff0c\u7f51\u5173\uff0c\u6216\u8005\u96a7\u9053\uff08tunnels\uff09\u3002\u5c3d\u7ba1 TCP\/IP\u534f\u8bae\u662f\u4e92\u8054\u7f51\u4e0a\u6700\u6d41\u884c\u7684\u5e94\u7528\uff0cHTTP\u534f\u8bae\u5e76\u6ca1\u6709\u89c4\u5b9a\u5fc5\u987b\u4f7f\u7528\u5b83\u548c\uff08\u57fa\u4e8e\uff09\u5b83\u652f\u6301\u7684\u5c42\u3002 \u4e8b\u5b9e\u4e0a\uff0cHTTP\u53ef\u4ee5\u5728\u4efb\u4f55\u5176\u4ed6\u4e92\u8054\u7f51\u534f\u8bae\u4e0a\uff0c\u6216\u8005\u5728\u5176\u4ed6\u7f51\u7edc\u4e0a\u5b9e\u73b0\u3002HTTP\u53ea\u5047\u5b9a\uff08\u5176\u4e0b\u5c42\u534f\u8bae\u63d0\u4f9b\uff09\u53ef\u9760\u7684\u4f20\u8f93\uff0c\u4efb\u4f55\u80fd\u591f\u63d0\u4f9b\u8fd9\u79cd\u4fdd\u8bc1\u7684\u534f\u8bae\u90fd\u53ef\u4ee5\u88ab\u5176\u4f7f\u7528<\/p>\r\n\r\n\r\n\r\n

\u901a\u5e38\uff0c\u7531HTTP\u5ba2\u6237\u7aef\u53d1\u8d77\u4e00\u4e2a\u8bf7\u6c42\uff0c\u5efa\u7acb\u4e00\u4e2a\u5230\u670d\u52a1\u5668\u6307\u5b9a\u7aef\u53e3\uff08\u9ed8\u8ba4\u662f 80\u7aef\u53e3\uff09\u7684TCP\u8fde\u63a5\u3002HTTP\u670d\u52a1\u5668\u5219\u5728\u90a3\u4e2a\u7aef\u53e3\u76d1\u542c\u5ba2\u6237\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u8bf7\u6c42\u3002\u4e00\u65e6\u6536\u5230\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\uff08\u5411\u5ba2\u6237\u7aef\uff09\u53d1\u56de\u4e00\u4e2a\u72b6\u6001\u884c\uff0c\u6bd4\u5982”HTTP\/1.1 200 OK”\uff0c\u548c\uff08\u54cd\u5e94\u7684\uff09\u6d88\u606f\uff0c\u6d88\u606f\u7684\u6d88\u606f\u4f53\u53ef\u80fd\u662f\u8bf7\u6c42\u7684\u6587\u4ef6\u3001\u9519\u8bef\u6d88\u606f\u3001\u6216\u8005\u5176\u5b83\u4e00\u4e9b\u4fe1\u606f<\/p>\r\n\r\n\r\n\r\n

HTTP\u4f7f\u7528TCP\u800c\u4e0d\u662fUDP\u7684\u539f\u56e0\u5728\u4e8e\uff08\u6253\u5f00\uff09\u4e00\u4e2a\u7f51\u9875\u5fc5\u987b\u4f20\u9001\u5f88\u591a\u6570\u636e\uff0c\u800cTCP\u534f\u8bae\u63d0\u4f9b\u4f20\u8f93\u63a7\u5236\uff0c\u6309\u987a\u5e8f\u7ec4\u7ec7\u6570\u636e\uff0c\u548c\u9519\u8bef\u7ea0\u6b63<\/p>\r\n\r\n\r\n\r\n

\u901a\u8fc7HTTP\u6216\u8005HTTPS\u534f\u8bae\u8bf7\u6c42\u7684\u8d44\u6e90\u7531\u7edf\u4e00\u8d44\u6e90\u6807\u793a\u7b26\uff08Uniform Resource Identifiers\uff09\uff08\u6216\u8005\uff0c\u66f4\u51c6\u786e\u4e00\u4e9b\uff0cURLs\uff09\u6765\u6807\u8bc6<\/p>\r\n\r\n\r\n\r\n

2.http\u7279\u70b9<\/h1>\r\n\r\n\r\n\r\n

\u65e0\u8fde\u63a5\uff1a\u65e0\u8fde\u63a5\u7684\u542b\u4e49\u662f\u9650\u5236\u6bcf\u6b21\u8fde\u63a5\u53ea\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\u3002\u670d\u52a1\u5668\u5904\u7406\u5b8c\u5ba2\u6237\u7684\u8bf7\u6c42\uff0c\u5e76\u6536\u5230\u5ba2\u6237\u7684\u5e94\u7b54\u540e\uff0c\u5373\u65ad\u5f00\u8fde\u63a5\u3002\u91c7\u7528\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u8282\u7701\u4f20\u8f93\u65f6\u95f4<\/p>\r\n\r\n\r\n\r\n

\u7075\u6d3b\uff1aHTTP\u5141\u8bb8\u4f20\u8f93\u4efb\u610f\u7c7b\u578b\u7684\u6570\u636e\u5bf9\u8c61\u3002\u6b63\u5728\u4f20\u8f93\u7684\u7c7b\u578b\u7531Content-Type\u52a0\u4ee5\u6807\u8bb0<\/p>\r\n\r\n\r\n\r\n

\u7b80\u5355\u5feb\u901f\uff1a\u5ba2\u6237\u5411\u670d\u52a1\u5668\u8bf7\u6c42\u670d\u52a1\u65f6\uff0c\u53ea\u9700\u4f20\u9001\u8bf7\u6c42\u65b9\u6cd5\u548c\u8def\u5f84\u3002\u7531\u4e8eHTTP\u534f\u8bae\u7b80\u5355\uff0c\u4f7f\u5f97HTTP\u670d\u52a1\u5668\u7684\u7a0b\u5e8f\u89c4\u6a21\u5c0f\uff0c\u56e0\u800c\u901a\u4fe1\u901f\u5ea6\u5f88\u5feb<\/p>\r\n\r\n\r\n\r\n

\u65e0\u72b6\u6001\uff1aHTTP\u534f\u8bae\u662f\u65e0\u72b6\u6001\u534f\u8bae\u3002\u65e0\u72b6\u6001\u662f\u6307\u534f\u8bae\u5bf9\u4e8e\u4e8b\u52a1\u5904\u7406\u6ca1\u6709\u8bb0\u5fc6\u80fd\u529b\u3002\u7f3a\u5c11\u72b6\u6001\u610f\u5473\u7740\u5982\u679c\u540e\u7eed\u5904\u7406\u9700\u8981\u524d\u9762\u7684\u4fe1\u606f\uff0c\u5219\u5b83\u5fc5\u987b\u91cd\u4f20\uff0c\u8fd9\u6837\u53ef\u80fd\u5bfc\u81f4\u6bcf\u6b21\u8fde\u63a5\u4f20\u9001\u7684\u6570\u636e\u91cf\u589e\u5927\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5728\u670d\u52a1\u5668\u4e0d\u9700\u8981\u5148\u524d\u4fe1\u606f\u65f6\u5b83\u7684\u5e94\u7b54\u5c31\u8f83\u5feb<\/p>\r\n\r\n\r\n\r\n

\u652f\u6301\u5ba2\u6237\/\u670d\u52a1\u5668\u6a21\u5f0f<\/p>\r\n\r\n\r\n\r\n

3.http\u7248\u672c<\/h1>\r\n\r\n\r\n\r\n

http0.9<\/h3>\r\n\r\n\r\n\r\n

1991\u5e74\u53d1\u5e03\u76840.9\u7248\uff0c\u8be5\u7248\u672c\u53ea\u6709\u4e00\u4e2a\u547d\u4ee4Get\u3002
GET\/index.html\uff0c\u8fd9\u6761\u547d\u4ee4\u8868\u793a\uff0cTCP \u8fde\u63a5\u5efa\u7acb\u4ee5\u540e\uff0c\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u8bf7\u6c42\uff08request\uff09\u7f51\u9875index.html\u3002
\u534f\u8bae\u89c4\u5b9a\uff0c\u670d\u52a1\u5668\u53ea\u80fd\u56de\u5e94HTML\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\uff0c\u4e0d\u80fd\u56de\u5e94\u522b\u7684\u683c\u5f0f<\/p>\r\n\r\n\r\n\r\n

http1.0<\/h3>\r\n\r\n\r\n\r\n

1996\u5e745\u6708\uff0cHTTP\/1.0 \u7248\u672c\u53d1\u5e03\uff0c\u5f15\u5165\u4e86POST\u547d\u4ee4\u548cHEAD\u547d\u4ee4\uff0c\u65b0\u589e\u4e86\u4e00\u4e9b\u529f\u80fd\u5305\u62ec\u72b6\u6001\u7801\uff08status code\uff09\u3001\u591a\u5b57\u7b26\u96c6\u652f\u6301\u3001\u591a\u90e8\u5206\u53d1\u9001\uff08multi-part type\uff09\u3001\u6743\u9650\uff08authorization\uff09\u3001\u7f13\u5b58\uff08cache\uff09\u3001\u5185\u5bb9\u7f16\u7801\uff08content encoding\uff09\u7b49\uff08\u8be6\u89c1 RFC1945\uff09<\/p>\r\n\r\n\r\n\r\n

http1.1<\/h3>\r\n\r\n\r\n\r\n

1997\u5e741\u6708\uff0cHTTP\/1.1 \u7248\u672c\u53d1\u5e03\uff0c\u8be5\u7248\u672c\u4e2d\uff0c\u6301\u4e45\u8fde\u63a5\u88ab\u9ed8\u8ba4\u91c7\u7528\uff0c\u5e76\u80fd\u5f88\u597d\u5730\u914d\u5408\u4ee3\u7406\u670d\u52a1\u5668\u5de5\u4f5c\u3002\u8fd8\u652f\u6301\u4ee5\u7ba1\u9053\u65b9\u5f0f\u540c\u65f6\u53d1\u9001\u591a\u4e2a\u8bf7\u6c42\uff0c\u4ee5\u4fbf\u964d\u4f4e\u7ebf\u8def\u8d1f\u8f7d\uff0c\u63d0\u9ad8\u4f20\u8f93\u901f\u5ea6<\/p>\r\n\r\n\r\n\r\n

HTTP\/1.1\u76f8\u8f83\u4e8e HTTP\/1.0 \u534f\u8bae\u7684\u533a\u522b\u4e3b\u8981\u4f53\u73b0\u5728<\/p>\r\n\r\n\r\n\r\n

\u7f13\u5b58\u5904\u7406
\u5e26\u5bbd\u4f18\u5316\u53ca\u7f51\u7edc\u8fde\u63a5\u7684\u4f7f\u7528
\u9519\u8bef\u901a\u77e5\u7684\u7ba1\u7406
\u6d88\u606f\u5728\u7f51\u7edc\u4e2d\u7684\u53d1\u9001
\u4e92\u8054\u7f51\u5730\u5740\u7684\u7ef4\u62a4
\u5b89\u5168\u6027\u53ca\u5b8c\u6574\u6027<\/p>\r\n\r\n\r\n\r\n

http2.0<\/h3>\r\n\r\n\r\n\r\n

2015\u53d1\u5e03\u4e86HTTP\/2\u7248\u672c\uff0c\u56e0\u4e3a\u4e0d\u518d\u7ee7\u7eed\u53d1\u5e03\u5b50\u7248\u672c\uff0c\u6240\u4ee5\u4e0b\u4e00\u4e2a\u7248\u672c\u5c06\u4e3aHTTP\/3\uff0c\u800c\u4e0d\u662f2.1\u3002<\/p>\r\n\r\n\r\n\r\n

HTTP\/1.1\u7248\u7684\u5934\u4fe1\u606f\u80af\u5b9a\u662f\u6587\u672c\uff08ASCII\u7f16\u7801\uff09\uff0c\u6570\u636e\u4f53\u53ef\u4ee5\u662f\u6587\u672c\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e8c\u8fdb\u5236\u3002HTTP\/2 \u5219\u662f\u4e00\u4e2a\u5f7b\u5e95\u7684\u4e8c\u8fdb\u5236\u534f\u8bae\uff0c\u5934\u4fe1\u606f\u548c\u6570\u636e\u4f53\u90fd\u662f\u4e8c\u8fdb\u5236\uff0c\u5e76\u4e14\u7edf\u79f0\u4e3a”\u5e27”\uff08frame\uff09\uff1a\u5934\u4fe1\u606f\u5e27\u548c\u6570\u636e\u5e27\u3002<\/p>\r\n\r\n\r\n\r\n

\u4e8c\u8fdb\u5236\u534f\u8bae\u7684\u4e00\u4e2a\u597d\u5904\u662f\uff0c\u53ef\u4ee5\u5b9a\u4e49\u989d\u5916\u7684\u5e27\u3002HTTP\/2 \u5b9a\u4e49\u4e86\u8fd1\u5341\u79cd\u5e27\uff0c\u4e3a\u5c06\u6765\u7684\u9ad8\u7ea7\u5e94\u7528\u6253\u597d\u4e86\u57fa\u7840\u3002\u5982\u679c\u4f7f\u7528\u6587\u672c\u5b9e\u73b0\u8fd9\u79cd\u529f\u80fd\uff0c\u89e3\u6790\u6570\u636e\u5c06\u4f1a\u53d8\u5f97\u975e\u5e38\u9ebb\u70e6\uff0c\u4e8c\u8fdb\u5236\u89e3\u6790\u5219\u65b9\u4fbf\u5f97\u591a<\/p>\r\n\r\n\r\n\r\n

HTTP\/2: the Future of the Internet | Akamai<\/a><\/p>\r\n\r\n\r\n\r\n

4.\u7528\u6237\u8bbf\u95ee\u7f51\u7ad9\u6d41\u7a0b<\/b><\/h1>\r\n

\r\n\r\n<\/p>\r\n

\u7528\u6237\u8f93\u5165url\u57df\u540d
DNS\u89e3\u6790:\u67e5\u627e\u57df\u540d\u5bf9\u5e94\u7684ip\u5730\u5740(\u83b7\u5f97\u57df\u540d\u5bf9\u5e94\u7684ip\u5730\u5740)
tcp3\u6b21\u63e1\u624b:\u7528\u6237\u901a\u8fc7ip\u5730\u5740\u4e0e\u5bf9\u5e94\u7684\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5(\u4e0e\u670d\u52a1\u5668\u8fde\u63a5)
http\u8bf7\u6c42\u62a5\u6587:\u5efa\u7acbtcp\u8fde\u63a5\u540e,\u7528\u6237\u5411\u670d\u52a1\u5668\u7d22\u8981\u6307\u5b9a\u7684\u5185\u5bb9(\u9875\u9762,\u56fe\u7247,\u89c6\u9891….) (\u5411\u670d\u52a1\u7d22\u8981\u5185\u5bb9)
\u670d\u52a1\u5668\u901a\u8fc7\u67e5\u627e
http\u54cd\u5e94\u62a5\u6587: \u627e\u5230\u540e\u628a\u7528\u6237\u8981\u7684\u5185\u5bb9,\u8fd4\u8fd8\u7ed9\u7528\u6237(\u670d\u52a1\u578b\u54cd\u5e94\u7528\u6237)
tcp4\u6b21\u6325\u624b: \u7528\u6237\u4e0e\u670d\u52a1\u5668\u65ad\u5f00\u8fde\u63a5<\/p>\r\n

\r\n\r\n<\/p>\r\n

\u4ec0\u4e48\u662furl<\/h2>\r\n

\r\n\r\n<\/p>\r\n

url\uff1a\u5c31\u662f\u6211\u4eec\u5e73\u65f6\u8bf4\u7684\u201c\u7f51\u5740\u201d\u00a0<\/p>\r\n

\u4ec0\u4e48\u662fpv<\/h2>\r\n

PV\u662fpage view\u7684\u7f29\u5199\uff0c\u5373\u9875\u9762\u6d4f\u89c8\u91cf\uff0c\u901a\u5e38\u662f\u8861\u91cf\u4e00\u4e2a\u7f51\u7edc\u65b0\u95fb\u9891\u9053\u6216\u7f51\u7ad9\u4e00\u6761\u7f51\u7edc\u65b0\u95fb\u7684\u4e3b\u8981\u6307\u6807\uff1b\u7f51\u9875\u6d4f\u89c8\u6570\u662f\u8bc4\u4ef7\u7f51\u7ad9\u6d41\u91cf\u6700\u5e38\u7528\u7684\u6307\u6807\u4e4b\u4e00<\/p>\r\n

\u4ec0\u4e48\u662fuv<\/h2>\r\n

UV\u662funique visitor\u7684\u7b80\u5199\uff0c\u4e00\u822c\u6307\u72ec\u7acb\u8bbf\u5ba2<\/p>\r\n

\u72ec\u7acb\u8bbf\u5ba2\u5c31\u662f\u72ec\u7acb\u8bbf\u5ba2\uff0c\u4e00\u822c\u5730\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u4e24\u4e2a\u6570\u503c\u6807\u51c6\u6765\u7edf\u8ba1\u8bbf\u95ee\u67d0\u7f51\u7ad9\u7684\u8bbf\u5ba2\uff0c\u5373\u8bbf\u95ee\u6b21\u6570\u548c\u72ec\u7acb\u8bbf\u5ba2\u6570\uff0c\u8bbf\u95ee\u6b21\u6570\u548c\u72ec\u7acb\u8bbf\u5ba2\u6570\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u6982\u5ff5<\/p>\r\n

DNS\u89e3\u6790<\/h2>\r\n

\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165\u4e00\u4e2a\u7f51\u5740\uff0c\u662f\u4e0d\u80fd\u76f4\u63a5\u7528\u6765\u8fdb\u884c\u8fde\u63a5\u7684\uff0c\u56e0\u800c\u5c31\u8981\u4f7f\u7528dns\u5730\u5740\u89e3\u6790\u5c06\u8f93\u5165\u7684URL\u7f51\u5740\u8f6c\u6362\u4e3aIP\u5730\u5740<\/p>\r\n

\u5177\u4f53\u7684\u67e5\u627e\u8fc7\u7a0b\u548c\u7b56\u7565\u53ef\u4ee5\u5206\u4e3a\u4e0b\u9762\u8fd9\u51e0\u6b65<\/p>\r\n

1.\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165 \u57df\u540d \uff0c\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u5148\u68c0\u67e5\u81ea\u5df1\u672c\u5730\u7684hosts\u6587\u4ef6\u662f\u5426\u6709\u8fd9\u4e2a\u7f51\u5740\u6620\u5c04\u5173\u7cfb\uff0c\u5982\u679c\u6709\uff0c\u5c31\u50cf\u8c03\u7528\u8fd9\u4e2aIP\u6620\u5c04\uff0c\u5b8c\u6210\u57df\u540d\u89e3\u6790<\/p>\r\n

2.\u5982\u679chosts\u91cc\u6ca1\u6709\u8fd9\u4e2a\u57df\u540d\u7684\u6620\u5c04\uff0c\u5219\u67e5\u627e\u672c\u5730DNS\u89e3\u6790\u5668\u7f13\u5b58\uff0c\u662f\u5426\u6709\u8fd9\u4e2a\u7f51\u5740\u6620\u5c04\u5173\u7cfb\uff0c\u5982\u679c\u6709 \u76f4\u63a5\u8fd4\u56de\uff0c\u5b8c\u6210\u89e3\u6790<\/p>\r\n

3.\u5982\u679chosts\u4e0e\u672c\u5730DNS\u89e3\u6790\u5668\u7f13\u5b58\u90fd\u6ca1\u6709\u76f8\u5e94\u7684\u7f51\u5740\u6620\u5c04\u5173\u7cfb\uff0c\u9996\u5148\u4f1a\u627e\u5230TCP\/IP\u53c2\u6570\u4e2d\u8bbe\u7f6e\u7684\u9996\u9009DNS\u670d\u52a1\u5668\uff0c\u5728\u6b64\uff0c\u6211\u4eec\u53eb\u5b83\u672c\u5730DNS\u670d\u52a1\u5668\uff0c\u6b64\u670d\u52a1\u5668\u6536\u5230\u67e5\u8be2\u65f6\uff0c\u5982\u679c\u8981\u67e5\u8be2\u7684\u57df\u540d\uff0c\u5305\u542b\u5728\u672c\u5730\u914d\u7f6e\u533a\u57df\u8d44\u6e90\u4e2d\uff0c\u5219\u8fd4\u56de\u89e3\u6790\u7ed3\u679c\u7ed9\u5ba2\u6237\u673a\uff0c\u6b64\u89e3\u6790\u5177\u6709\u6743\u5a01\u6027<\/p>\r\n

4.\u5982\u679c\u8981\u67e5\u8be2\u7684\u57df\u540d\uff0c\u4e0d\u7531\u672c\u5730DNS\u670d\u52a1\u5668\u533a\u57df\u89e3\u6790\uff0c\u4f46\u8be5\u670d\u52a1\u5668\u5df2\u7ecf\u7f13\u5b58\u4e86\u7f51\u5740\u6620\u5c04\u5173\u7cfb\uff0c\u5219\u8c03\u7528\u8fd9\u4e2aip\u5730\u5740\u6620\u5c04\uff0c\u5b8c\u6210\u57df\u540d\u89e3\u6790\uff0c\u6b64\u89e3\u6790\u4e0d\u5177\u6709\u6743\u5a01\u6027<\/p>\r\n

5.\u5982\u679c\u672c\u5730DNS\u670d\u52a1\u5668\u672c\u5730\u533a\u57df\u6587\u4ef6\u4e0e\u7f13\u5b58\u89e3\u6790\u90fd\u5931\u6548\uff0c\u5219\u6839\u636e\u672c\u5730DNS\u670d\u52a1\u5668\u7684\u8bbe\u7f6e\uff08\u662f\u5426\u8bbe\u7f6e\u8f6c\u53d1\u5668\uff09\u8fdb\u884c\u67e5\u8be2\uff0c\u5982\u679c\u672a\u7528\u8f6c\u53d1\u6a21\u5f0f\uff0c\u672c\u5730DNS\u5c31\u628a\u8bf7\u6c42\u53d1\u81f313\u53f0\u6839DNS\uff0cDNS\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e\uff0c\u4f1a\u5224\u65ad\u8fd9\u4e2a\u57df\u540d\uff08.com\uff09\u662f\u8c01\u6765\u6388\u6743\u7ba1\u7406\uff0c\u5e76\u4f1a\u8fd4\u56de\u4e00\u4e2a\u8d1f\u8d23\u8be5\u9876\u7ea7\u57df\u540d\u670d\u52a1\u5668\u7684IP\u3002\u672c\u5730DNS\u670d\u52a1\u5668\u6536\u5230IP\u4fe1\u606f\u540e\uff0c\u5c06\u4f1a\u8054\u7cfb\u8d1f\u8d23.com\u57df\u540d\u7684\u8fd9\u53f0\u670d\u52a1\u5668\u3002\u8fd9\u53f0\u8d1f\u8d23.com\u57df\u7684\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e\uff0c\u5982\u679c\u81ea\u5df1\u65e0\u6cd5\u89e3\u6790\uff0c\u5b83\u5c31\u4f1a\u627e\u5230\u4e00\u4e2a\u7ba1\u7406.com\u4e0b\u4e00\u7ea7DNS\u670d\u52a1\u5668\u5730\u5740(baidu.com)\u7ed9\u672c\u5730DNS\u670d\u52a1\u5668\uff0c\u5f53\u672c\u5730DNS\u670d\u52a1\u5668\u6536\u5230\u8fd9\u4e2a\u5730\u5740\u540e\uff0c\u5c31\u4f1a\u627egoogle.com\u57df\u670d\u52a1\u5668\uff0c\u91cd\u590d\u4e0a\u9762\u7684\u52a8\u4f5c\uff0c\u8fdb\u884c\u67e5\u8be2\uff0c\u76f4\u81f3\u627e\u5230www.baidu.com\u4e3b\u673a (6) \u5982\u679c\u7528\u7684\u662f\u8f6c\u53d1\u6a21\u5f0f\uff0c\u6b64DNS\u670d\u52a1\u5668\u5c31\u4f1a\u5427\u8bf7\u6c42\u8f6c\u53d1\u81f3\u4e0a\u4e00\u7ea7DNS\u670d\u52a1\u5668\uff0c\u7531\u4e0a\u4e00\u7ea7\u670d\u52a1\u5668\u8fdb\u884c\u89e3\u6790\uff0c\u4e0a\u4e00\u7ea7\u670d\u52a1\u5668\u5982\u679c\u4e0d\u80fd\u89e3\u6790\uff0c\u6216\u7740\u6839DNS\u628a\u8f6c\u8bf7\u6c42\u81f3\u4e0a\u4e0a\u7ea7\uff0c\u4ee5\u6b64\u5faa\u73af\u3002\u4e0d\u7ba1\u662f\u672c\u5730DNS\u670d\u52a1\u5668\u7528\u8fd8\u662f\u8f6c\u53d1\uff0c\u8fd8\u662f\u6839\u63d0\u793a\uff0c\u6700\u540e\u90fd\u662f\u628a\u7ed3\u679c\u8fd4\u56de\u7ed9\u672c\u5730DNS\u670d\u52a1\u5668\uff0c\u7531\u6b64DNS\u670d\u52a1\u5668\u518d\u8fd4\u56de\u7ed9\u5ba2\u6237\u673a<\/p>\r\n

\u5efa\u7acbTCP\u534f\u8bae\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b<\/h2>\r\n

\u597d\u4e86\u7ecf\u8fc7DNS\u89e3\u6790\uff0c\u73b0\u5728\u6211\u4eec\u6307\u5b9a\u4e86\u767e\u5ea6\u670d\u52a1\u5668\u5730\u5740\uff0c\u53ef\u4ee5\u8bbf\u95ee\u5b83\u3002\u7ea6\u4f1a\u4e5f\u5f97\u5148\u53d1\u4e2a\u9080\u8bf7\u5427\uff0c\u7f51\u7edc\u4e5f\u662f\u4e00\u6837\uff0c\u5148\u5efa\u7acb\u8fde\u63a5\uff0c\u624d\u53ef\u4ee5\u4f20\u8f93\u6570\u636e<\/p>\r\n

\u7b80\u5355 \u8bf4\u660eTCP\u534f\u8bae<\/p>\r\n

IP\u534f\u8bae\u5b9a\u4e49 \u4e86\u4e00\u5957\u81ea\u5df1\u7684\u5730\u5740\u89c4\u5219\uff0c\u79f0\u4e3aIP\u5730\u5740\uff0c\u5b83\u5b9e\u73b0\u4e86\u8def\u7531\u529f\u80fd\uff0c\u5141\u8bb8\u67d0\u4e2a\u5c40\u57df\u7f51\u7684A\u4e3b\u673a \uff0c\u5411\u53e6\u4e00\u4e2a\u5c40\u57df\u7f51\u7684B\u4e3b\u673a\u53d1\u9001\u6d88\u606f\u3002IP\u534f\u8bae \u53ea\u662f\u5730\u5740\u534f\u8bae\uff0c\u5e76\u4e0d\u4fdd\u8bc1\u6570\u636e\u5305\u7684\u5b8c\u6574\u3002\u5982\u679c \u8def\u7531\u5668\u4e22\u5305(\u6bd4\u5982\u7f13\u5b58\u6ee1\u4e86\uff0c\u65b0\u8fdb\u6765\u7684\u6570\u636e\u5305\u5c31\u4f1a\u4e22\u5931)\uff0c\u5c31\u9700\u8981\u53d1\u73b0\u4e22\u4e86\u54ea\u4e00\u4e2a\u5305\uff0c\u4ee5\u53ca\u5982\u4f55\u91cd\u65b0\u53d1\u9001\u8fd9\u4e2a\u5305\uff0c\u8fd9\u5c31\u8981\u4f9d\u9760TCP\u534f\u8bae\u3002\u7b80\u5355\u8bf4\uff0cTCP\u534f\u8bae\u7684\u4f5c\u7528\u662f\uff0c\u4fdd\u8bc1\u6570\u636e\u901a\u4fe1\u7684\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\uff0c\u9632\u6b62\u4e22\u5305<\/p>\r\n

TCP\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u8fc7\u7a0b\u7b80\u5355\u8bf4\u660e<\/h3>\r\n

1.\u7531\u5ba2\u6237\u7aef\uff08\u7528\u6237\uff09\u53d1\u9001\u5efa\u7acbTCP\u8fde\u63a5\u7684\u8bf7\u6c42\u62a5\u6587\uff0c\u5176\u4e2d\u62a5\u6587\u4e2d\u5305\u542bseq\u5e8f\u5217\u53f7\uff0c\u662f\u7531\u53d1\u9001\u7aef\u968f\u673a\u751f\u6210\u7684\u3002<\/p>\r\n

\u5e76\u4e14\u8fd8\u5c06\u62a5\u6587\u4e2dSYN\u5b57\u6bb5\u7f6e\u4e3a1\uff0c\u8868\u793a\u9700\u8981\u5efa\u7acbTCP\u8fde\u63a5\u8bf7\u6c42\u3002<\/p>\r\n

2.\u670d\u52a1\u7aef\uff08\u5c31\u662f\u767e\u5ea6\u670d\u52a1\u5668\uff09\u4f1a\u56de\u590d\u5ba2\u6237\u7aef\uff08\u7528\u6237\uff09\u53d1\u9001\u7684TCP\u8fde\u63a5\u8bf7\u6c42\u62a5\u6587\uff0c\u5176\u4e2d\u5305\u542bseq\u5e8f\u5217\u53f7\uff0c\u4e5f\u662f\u7531\u56de\u590d\u7aef\u968f\u673a\u751f\u6210\u7684\uff0c<\/p>\r\n

\u5e76\u4e14\u5c06\u56de\u590d\u62a5\u6587\u7684SYN\u5b57\u6bb5\u7f6e1\uff0c\u800c\u4e14\u4f1a\u4ea7\u751fACK\u9a8c\u8bc1\u5b57\u6bb5\uff0cACK\u9a8c\u8bc1\u5b57\u6bb5\u6570\u503c\u662f\u5728\u5ba2\u6237\u7aef\u53d1\u8fc7\u6765\u7684seq\u5e8f\u5217\u53f7\u57fa\u7840\u4e0a\u52a01\u8fdb\u884c\u56de\u590d\uff1a<\/p>\r\n

\u5e76\u4e14\u8fd8\u4f1a\u56de\u590dack\u786e\u8ba4\u63a7\u5236\u5b57\u6bb5\uff0c\u4ee5\u4fbf\u5ba2\u6237\u7aef\u6536\u5230\u4fe1\u606f\u65f6\uff0c\u77e5\u6653\u81ea\u5df1\u7684TCP\u5efa\u7acb\u8bf7\u6c42\u5df2\u5f97\u5230\u4e86\u786e\u8ba4\u3002<\/p>\r\n

3.\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u7aef\u53d1\u9001\u7684TCP\u5efa\u7acb\u8bf7\u6c42\u540e\uff0c\u4f1a\u4f7f\u81ea\u5df1\u7684\u539f\u6709\u5e8f\u5217\u53f7\u52a01\u8fdb\u884c\u518d\u6b21\u53d1\u9001\u5e8f\u5217\u53f7\uff0c\u5e76\u4e14\u518d\u6b21\u56de\u590dACK\u9a8c\u8bc1\u8bf7\u6c42\uff0c\u5728B\u7aef\u53d1\u9001\u8fc7\u6765\u7684seq\u57fa\u7840\u4e0a\u52a01\uff0c\u8fdb\u884c\u56de\u590d\uff1b\u540c\u65f6\u4e5f\u4f1a\u56de\u590dack\u786e\u8ba4\u63a7\u5236\u5b57\u6bb5\uff0c\u4ee5\u4fbfB\u6536\u5230\u4fe1\u606f\u65f6\uff0c\u77e5\u6653\u81ea\u5df1\u7684TCP\u5efa\u7acb\u8bf7\u6c42\u5df2\u7ecf\u5f97\u5230\u4e86\u786e\u8ba4<\/p>\r\n

\u5ba2\u6237\u7aef\u53d1\u51fa\u8bbf\u95ee\u7f51\u7ad9\u76f8\u5e94\u9875\u9762\u8bf7\u6c42\uff08\u53d1\u51fahttp\u534f\u8bae\u8bf7\u6c42\u62a5\u6587\uff09<\/h2>\r\n

\u5efa\u7acb\u8fde\u63a5\u540e\uff0c\u53d1\u9001\u8bf7\u6c42\u62a5\u6587\uff0c\u60f3\u770b\u4ec0\u4e48\u6570\u636e\u3002\u8f93\u5165www.baidu.com\u65f6\uff0c\u9ed8\u8ba4\u8bf7\u6c42\u7684\u662findex.html\u9996\u9875\u6587\u4ef6<\/p>\r\n

\u8bf7\u6c42\u62a5\u6587\u7ed3\u6784\uff1a<\/p>\r\n

\u8bf7\u6c42\u884c\uff1a\u2460. \u8bf7\u6c42\u7684\u65b9\u6cd5(get post) \u2461. \u8bf7\u6c42\u7684\u6570\u636e\u4fe1\u606f(\u9ed8\u8ba4\u8bf7\u6c42index.html\u9996\u9875\u6587\u4ef6) \u2462. \u8bf7\u6c42http\u534f\u8bae\u7248\u672c<\/section>\r\n
tcp\u534f\u8bae\u5206\u4e3a\u957f\u8fde\u63a5\uff08http1.1\uff09\u548c\u77ed\u8fde\u63a5\uff08http1.0\uff09<\/section>\r\n

2.\u8bf7\u6c42\u5934\uff1a<\/p>\r\n

3.\u7a7a\u884c\uff1a<\/p>\r\n

4.\u8bf7\u6c42\u4e3b\u4f53\uff1aget\u65b9\u6cd5\u6ca1\u6709\u8bf7\u6c42\u4e3b\u4f53\u5185\u5bb9 post\u65b9\u6cd5\u4f1a\u6709\u8bf7\u6c42\u4e3b\u4f53\u4fe1\u606f<\/p>\r\n

HTTP\u8bf7\u6c42\u65b9\u6cd5\uff1aGET\u65b9\u6cd5\u4e0ePOST\u65b9\u6cd5<\/p>\r\n

GET\u65b9\u6cd5<\/p>\r\n

GET\u65b9\u6cd5\u662f\u9ed8\u8ba4\u7684HTTP\u8bf7\u6c42\u65b9\u6cd5\uff0c\u6211\u4eec\u65e5\u5e38\u7528GET\u65b9\u6cd5\u6765\u63d0\u4ea4\u8868\u5355\u6570\u636e\uff0c\u7136\u800c\u7528GET\u65b9\u6cd5\u63d0\u4ea4\u7684\u8868\u5355\u6570\u636e\u53ea\u7ecf\u8fc7\u4e86\u7b80\u5355\u7684\u7f16\u7801\uff0c\u540c\u65f6\u5b83\u5c06\u4f5c\u4e3aURL\u7684\u4e00\u90e8\u5206\u5411Web\u670d\u52a1\u5668\u53d1\u9001\uff0c\u56e0\u6b64\uff0c\u5982\u679c\u4f7f\u7528GET\u65b9\u6cd5\u6765\u63d0\u4ea4\u8868\u5355\u6570\u636e\u5c31\u5b58\u5728\u7740\u5b89\u5168\u9690\u60a3\u4e0a\u3002\u4f8b\u5982\u00a0<\/span>Http:\/\/127.0.0.1\/login.jsp?Name=zhangshi&Age=30&Submit=\ufffd%E+\ufffd\ufffd\u00a0<\/span>\u4ece\u4e0a\u9762\u7684URL\u8bf7\u6c42\u4e2d\uff0c\u5f88\u5bb9\u6613\u5c31\u53ef\u4ee5\u8fa9\u8ba4\u51fa\u8868\u5355\u63d0\u4ea4\u7684\u5185\u5bb9\u3002\uff08\uff1f\u4e4b\u540e\u7684\u5185\u5bb9\uff09\u53e6\u5916\u7531\u4e8e GET\u65b9\u6cd5\u63d0\u4ea4\u7684\u6570\u636e\u662f\u4f5c\u4e3aURL\u8bf7\u6c42\u7684\u4e00\u90e8\u5206\u6240\u4ee5\u63d0\u4ea4\u7684\u6570\u636e\u91cf\u4e0d\u80fd\u592a\u5927<\/p>\r\n

POST\u65b9\u6cd5<\/p>\r\n

POST\u65b9\u6cd5\u662fGET\u65b9\u6cd5\u7684\u4e00\u4e2a\u66ff\u4ee3\u65b9\u6cd5\uff0c\u5b83\u4e3b\u8981\u662f\u5411Web\u670d\u52a1\u5668\u63d0\u4ea4\u8868\u5355\u6570\u636e\uff0c\u5c24\u5176\u662f\u5927\u6279\u91cf\u7684\u6570\u636e\u3002POST\u65b9\u6cd5\u514b\u670d\u4e86GET\u65b9\u6cd5\u7684\u4e00\u4e9b\u7f3a\u70b9\u3002\u901a\u8fc7POST\u65b9\u6cd5\u63d0\u4ea4\u8868\u5355\u6570\u636e\u65f6\uff0c\u6570\u636e\u4e0d\u662f\u4f5c\u4e3aURL\u8bf7\u6c42\u7684\u4e00\u90e8\u5206\u800c\u662f\u4f5c\u4e3a\u6807\u51c6\u6570\u636e\u4f20\u9001\u7ed9Web\u670d\u52a1\u5668\uff0c\u8fd9\u5c31\u514b\u670d\u4e86GET\u65b9\u6cd5\u4e2d\u7684\u4fe1\u606f\u65e0\u6cd5\u4fdd\u5bc6\u548c\u6570\u636e\u91cf\u592a\u5c0f\u7684\u7f3a\u70b9\u3002\u56e0\u6b64\uff0c\u51fa\u4e8e\u5b89\u5168\u7684\u8003\u8651\u4ee5\u53ca\u5bf9\u7528\u6237\u9690\u79c1\u7684\u5c0a\u91cd\uff0c\u901a\u5e38\u8868\u5355\u63d0\u4ea4\u65f6\u91c7\u7528POST\u65b9\u6cd5<\/p>\r\n

\u670d\u52a1\u7aef\u53d1\u51fa\u76f8\u5e94\u8bbf\u95ee\u9875\u9762\u7684\u8bf7\u6c42\u4fe1\u606f\uff08\u53d1\u51fahttp\u54cd\u5e94\u62a5\u6587\uff09<\/h2>\r\n

\u5e94\u7b54 web\u670d\u52a1\u5668\u6536\u5230\u8fd9\u4e2a\u8bf7\u6c42\uff0c\u8fdb\u884c\u5904\u7406\u3002\u4ece\u5b83\u7684\u6587\u6863\u7a7a\u95f4\u4e2d\u641c\u7d22\u5b50\u76ee\u5f55mydir\u7684\u6587\u4ef6index.html\u3002\u5982\u679c\u627e\u5230\u8be5\u6587\u4ef6\uff0cWeb\u670d\u52a1\u5668\u628a\u8be5\u6587\u4ef6\u5185\u5bb9\u4f20\u9001\u7ed9\u76f8\u5e94\u7684Web\u6d4f\u89c8\u5668\u3002\u4e3a\u4e86\u544a\u77e5\u6d4f\u89c8\u5668\uff0cWeb\u670d\u52a1\u5668\u9996\u5148\u4f20\u9001\u4e00\u4e9bHTTP\u5934\u4fe1\u606f\uff0c\u7136\u540e\u4f20\u9001\u5177\u4f53\u5185\u5bb9\uff08\u5373HTTP\u4f53\u4fe1\u606f\uff09\uff0cHTTP\u5934\u4fe1\u606f\u548cHTTP\u4f53\u4fe1\u606f\u4e4b\u95f4\u7528\u4e00\u4e2a\u7a7a\u884c\u5206\u5f00<\/p>\r\n

1.\u8d77\u59cb\u884c\uff08\u54cd\u5e94\u884c\uff09<\/p>\r\n

\u2460. HTTP\u534f\u8bae\u7248\u672c\u4fe1\u606f<\/p>\r\n

\u2461. \u54cd\u5e94\u7684\u72b6\u6001\u7801\u4fe1\u606f\uff08\u8bf7\u6c42\u6210\u529f\u72b6\u6001\u7801 200\uff09<\/p>\r\n

\u2462. \u54cd\u5e94\u72b6\u6001\u7801\u8bf4\u660e\u4fe1\u606f<\/p>\r\n

2.\u54cd\u5e94\u5934\u90e8\uff1a<\/p>\r\n

3.\u7a7a\u884c\uff1a<\/p>\r\n

4.\u54cd\u5e94\u4e3b\u4f53\u5185\u5bb9\uff1a\u4e00\u822c\u4e3ahtml css js \u7b49\u7b49\u4ee3\u7801\u4fe1\u606f<\/p>\r\n

\u534f\u8bae\u72b6\u6001\u4ee3\u7801\u63cf\u8ff0HTTP\u54cd\u5e94\u7684\u7b2c\u4e00\u884c\u7c7b\u4f3c\u4e8eHTTP\u8bf7\u6c42\u7684\u7b2c\u4e00\u884c\uff0c\u5b83\u8868\u793a\u901a\u4fe1\u6240\u7528\u7684\u534f\u8bae\u662fHTTP1.1\u670d\u52a1\u5668\uff0c\u5df2\u7ecf\u6210\u529f\u5904\u7406\u7684\u5ba2\u6237\u7aef\u53d1\u51fa\u7684\u8bf7\u6c42\uff08200\u8868\u793a\u6210\u529f\uff09<\/p>\r\n

HTTP\/1.1 200 OK<\/p>\r\n

\u54cd\u5e94\u5934\uff08Response Header\uff09 \u54cd\u5e94\u5934\u4e5f\u548c\u8bf7\u6c42\u5934\u4e00\u6837\u5305\u542b\u8bb8\u591a\u6709\u7528\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u670d\u52a1\u5668\u7c7b\u578b\uff0c\u65e5\u671f\u65f6\u95f4\u3001\u5185\u5bb9\u7c7b\u578b\u548c\u957f\u5ea6\u7b49<\/p>\r\n

\u54cd\u5e94\u6b63\u6587\u5c31\u662f\u670d\u52a1\u5668\u8fd4\u56de\u7684HTML\u9875\u9762<\/p>\r\n

\u54cd\u5e94\u5934\u548c\u6b63\u6587\u4e4b\u95f4\u4e5f\u5fc5\u987b\u7528\u7a7a\u884c\u5206\u5272<\/p>\r\n

\u65ad\u5f00TCP\u534f\u8bae\u56db\u6b21\u6325\u624b\u8fc7\u7a0b<\/h2>\r\n

\u5f53\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u901a\u8fc7\u4e09\u6b21\u63e1\u624b\u5efa\u7acbTCP\u8fde\u63a5\u4e4b\u540e\uff0c\u5f53\u6570\u636e\u4f20\u9001\u5b8c\u6bd5\uff0c\u80af\u5b9a\u662f\u8981\u65ad\u5f00TCP\u8fde\u63a5\u7684\uff0c\u90a3\u5bf9\u4e8eTCP\u65ad\u5f00\u8fde\u63a5\uff0c\u8fd9\u91cc\u5c31\u6709\u4e86\u56db\u6b21\u6325\u624b<\/p>\r\n

\u7b2c\u4e00\u6b21\u6325\u624b\uff1aClient \u53d1\u9001\u4e00\u4e2aFin,\u7528\u6765\u5173\u95edClient\u548cServer\u7684\u6570\u636e\u4f20\u9001\uff0cClient\u8fdb\u5165Fin_Wait\u2014_1\u72b6\u6001<\/p>\r\n

\u7b2c\u4e8c\u6b21\u6325\u624b\uff1aServer\u6536\u5230Fin\u540e\uff0c\u53d1\u9001\u4e00\u4e2aAck\u7ed9Client,\u786e\u8ba4\u5e8f\u53f7\u4e3a\u6536\u5230\u7684\u5e8f\u53f7+1(\u4e0eSyn\u76f8\u540c\uff0c\u4e00\u4e2aFin\u5360\u7528\u4e00\u4e2a\u5e8f\u53f7)\uff0cServer\u8fdb\u5165Close_Wait\u8f6c\u6001\u3002<\/p>\r\n

\u7b2c\u4e09\u6b21\u6325\u624b\uff1aServer\u53d1\u9001\u4e00\u4e2aFin,\u7528\u6765\u5173\u95edServer\u5230Client\u7684\u6570\u636e\u4f20\u9001\uff0cServer\u8fdb\u5165Last_Ack\u8f6c\u6001\u3002<\/p>\r\n

\u7b2c\u56db\u6b21\u6325\u624b\uff1aClient \u6536\u5230Fin\u540e\uff0cClient\u8fdb\u5165Time_Wait \u8f6c\u6001\uff0c\u63a5\u7740\u53d1\u9001\u4e00\u4e2aACK\u7ed9Server,\u786e\u8ba4\u5e8f\u53f7\u4e3a\u6536\u5230\u5e8f\u53f7+1\uff0cServer\u8fdb\u5165Close\u8f6c\u6001\uff0c\u5b8c\u6210\u56db\u6b21\u6325\u624b<\/p>\r\n

5.http\u534f\u8bae\u8be6\u89e3<\/h1>\r\n\r\n\r\n\r\n

http\u534f\u8bae\u8bf7\u6c42\u4e0e\u54cd\u5e94<\/h2>\r\n\r\n\r\n\r\n
\"\"<\/a><\/figure>\r\n\r\n\r\n\r\n

http\u8bf7\u6c42\u62a5\u6587<\/h2>\r\n\r\n\r\n\r\n

systemctl start nginx<\/p>\r\n\r\n\r\n\r\n

\"\"<\/a><\/figure>\r\n\r\n\r\n\r\n

\"\"<\/a><\/h3>\r\n\r\n\r\n\r\n

HTTP\u54cd\u5e94\u5934\u548c\u8bf7\u6c42\u5934\u4fe1\u606f\u5bf9\u7167\u8868<\/h2>\r\n\r\n\r\n\r\n

HTTP\u8bf7\u6c42\u5934\u63d0\u4f9b\u4e86\u5173\u4e8e\u8bf7\u6c42\uff0c\u54cd\u5e94\u6216\u8005\u5176\u4ed6\u7684\u53d1\u9001\u5b9e\u4f53\u7684\u4fe1\u606f\u3002HTTP\u7684\u5934\u4fe1\u606f\u5305\u62ec\u901a\u7528\u5934\u3001\u8bf7\u6c42\u5934\u3001\u54cd\u5e94\u5934\u548c\u5b9e\u4f53\u5934\u56db\u4e2a\u90e8\u5206\u3002\u6bcf\u4e2a\u5934\u57df\u7531\u4e00\u4e2a\u57df\u540d\uff0c\u5192\u53f7\uff08:\uff09\u548c\u57df\u503c\u4e09\u90e8\u5206\u7ec4\u6210<\/p>\r\n\r\n\r\n\r\n

\u901a\u7528\u5934\u6807\uff1a\u5373\u53ef\u7528\u4e8e\u8bf7\u6c42\uff0c\u4e5f\u53ef\u7528\u4e8e\u54cd\u5e94\uff0c\u662f\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u800c\u4e0d\u662f\u7279\u5b9a\u8d44\u6e90\u4e0e\u4e8b\u52a1\u76f8\u5173\u8054\u3002
\u8bf7\u6c42\u5934\u6807\uff1a\u5141\u8bb8\u5ba2\u6237\u7aef\u4f20\u9012\u5173\u4e8e\u81ea\u8eab\u7684\u4fe1\u606f\u548c\u5e0c\u671b\u7684\u54cd\u5e94\u5f62\u5f0f\u3002
\u54cd\u5e94\u5934\u6807\uff1a\u670d\u52a1\u5668\u548c\u4e8e\u4f20\u9012\u81ea\u8eab\u4fe1\u606f\u7684\u54cd\u5e94\u3002
\u5b9e\u4f53\u5934\u6807\uff1a\u5b9a\u4e49\u88ab\u4f20\u9001\u8d44\u6e90\u7684\u4fe1\u606f\u3002\u5373\u53ef\u7528\u4e8e\u8bf7\u6c42\uff0c\u4e5f\u53ef\u7528\u4e8e\u54cd\u5e94<\/p>\r\n\r\n\r\n\r\n

\u8bf7\u6c42\u62a5\u6587\u8d77\u59cb\u884c<\/h3>\r\n\r\n\r\n\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
HTTP\u65b9\u6cd5<\/td>\r\n\u4f5c\u7528\u63cf\u8ff0<\/td>\r\n<\/tr>\r\n
GET<\/td>\r\n\u5ba2\u6237\u7aef\u8bf7\u6c42\u6307\u5b9a\u8d44\u6e90\u4fe1\u606f\uff0c\u670d\u52a1\u5668\u8fd4\u56de\u6307\u5b9a\u8d44\u6e90<\/td>\r\n<\/tr>\r\n
HEAD<\/td>\r\n\u53ea\u8bf7\u6c42\u54cd\u5e94\u62a5\u6587\u4e2d\u7684HTTP\u9996\u90e8<\/td>\r\n<\/tr>\r\n
POST<\/td>\r\n\u5c06\u5ba2\u6237\u7aef\u7684\u6570\u636e\u63d0\u4ea4\u5230\u670d\u52a1\u5668\uff0c\u4f8b\uff1a\u6ce8\u518c\u8868\u5355<\/td>\r\n<\/tr>\r\n
PUT<\/td>\r\n\u4ece\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u4f20\u9001\u7684\u6570\u636e\u53d6\u4ee3\u6307\u5b9a\u7684\u6587\u6863\u5185\u5bb9<\/td>\r\n<\/tr>\r\n
DELETE<\/td>\r\n\u8bf7\u6c42\u670d\u52a1\u5668\u5220\u9664Request-URI\u6240\u6807\u8bc6\u7684\u8d44\u6e90<\/td>\r\n<\/tr>\r\n
MOVE<\/td>\r\n\u8bf7\u6c42\u670d\u52a1\u5668\u5c06\u6307\u5b9a\u7684\u9875\u9762\u79fb\u81f3\u53e6\u4e00\u4e2a\u7f51\u7edc\u5730\u5740<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n

\u8bf7\u6c42\u5934<\/h3>\r\n\r\n\r\n\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Header<\/td>\r\n\u89e3\u91ca<\/td>\r\n\u793a\u4f8b<\/td>\r\n<\/tr>\r\n
Host<\/td>\r\n\u4f60\u8bbf\u95ee\u7684\u57df\u540d\u6216ip(\u4f60\u7684\u76ee\u6807\u7f51\u7ad9)<\/td>\r\nHost: www.zcmhi.com<\/td>\r\n<\/tr>\r\n
User-Agent<\/td>\r\n\u4f7f\u7528\u7684\u6d4f\u89c8\u5668(\u4f7f\u7528\u7684\u4ec0\u4e48\u4ee3\u7406)\uff0c\u7528\u6237\u4ee3\u7406\uff0c\u7b80\u79f0 UA\uff0c\u5b83\u662f\u4e00\u4e2a\u7279\u6b8a\u5b57\u7b26\u4e32\u5934\uff0c\u4f7f\u5f97\u670d\u52a1\u5668\u80fd\u591f\u8bc6\u522b\u5ba2\u6237\u7aef\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u53ca\u7248\u672c\u3001CPU \u7c7b\u578b\u3001\u6d4f\u89c8\u5668\u53ca\u7248\u672c\u3001\u6d4f\u89c8\u5668\u6e32\u67d3\u5f15\u64ce\u3001\u6d4f\u89c8\u5668\u8bed\u8a00\u3001\u6d4f\u89c8\u5668\u63d2\u4ef6\u7b49<\/td>\r\nUser-Agent: Mozilla\/5.0 (Linux; X11)<\/td>\r\n<\/tr>\r\n
Accept<\/td>\r\n\u6307\u5b9a\u5ba2\u6237\u7aef\u80fd\u591f\u63a5\u6536\u7684\u5185\u5bb9\u7c7b\u578b\uff0c\u5982\u5e38\u89c1\u7684 text\/html \u7b49\uff0c\u6700\u540e\u8fd4\u56de\u7684\u767e\u5ea6\u9996\u9875\u4e5f\u662f\u4e2a HTML \u6587\u4ef6<\/td>\r\nAccept:text\/plain, text\/html<\/td>\r\n<\/tr>\r\n
Accept-Encoding<\/td>\r\n\u8868\u793a\u6d4f\u89c8\u5668\u6709\u80fd\u529b\u89e3\u7801\u7684\u7f16\u7801\u7c7b\u578b<\/td>\r\nAccept-Encoding: compress, gzip<\/td>\r\n<\/tr>\r\n
Accept-Language<\/td>\r\n\u8868\u793a\u6d4f\u89c8\u5668\u6240\u652f\u6301\u7684\u8bed\u8a00\u7c7b\u578b\u3002(\u8fd9\u91cc\u6307\u4e2d\u6587\u3001\u7b80\u4f53\u4e2d\u6587\u548c\u82f1\u6587)<\/td>\r\nAccept-Language: en,zh<\/td>\r\n<\/tr>\r\n
Cache-Control<\/td>\r\n\u6307\u5b9a\u8bf7\u6c42\u548c\u54cd\u5e94\u9075\u5faa\u7684\u7f13\u5b58\u673a\u5236\u3002(\u8fd9\u91cc\u8868\u793a\u4e0d\u9700\u8981\u7f13\u5b58)<\/td>\r\nCache-Control: no-cache<\/td>\r\n<\/tr>\r\n
Connection<\/td>\r\n\u8868\u793a\u662f\u5426\u9700\u8981\u6301\u4e45\u8fde\u63a5\u3002\uff08HTTP 1.1 \u9ed8\u8ba4\u8fdb\u884c\u6301\u4e45\u8fde\u63a5\u5373\u4e3a keep-alive, HTTP 1.0 \u5219\u9ed8\u8ba4\u4e3a close\uff09<\/td>\r\nConnection: close<\/td>\r\n<\/tr>\r\n
Cookie<\/td>\r\nHTTP\u8bf7\u6c42\u53d1\u9001\u65f6\uff0c\u4f1a\u628a\u4fdd\u5b58\u5728\u8be5\u8bf7\u6c42\u57df\u540d\u4e0b\u7684\u6240\u6709cookie\u503c\u4e00\u8d77\u53d1\u9001\u7ed9web\u670d\u52a1\u5668\u3002<\/td>\r\nCookie: $Version=1; Skin=new;<\/td>\r\n<\/tr>\r\n
Content-Length<\/td>\r\n\u8bf7\u6c42\u7684\u5185\u5bb9\u957f\u5ea6<\/td>\r\nContent-Length: 348<\/td>\r\n<\/tr>\r\n
Referer<\/td>\r\n\u5148\u524d\u8bbf\u95ee\u7684\u7f51\u9875\u7684\u5730\u5740\uff0c\u5f53\u524d\u8bf7\u6c42\u7f51\u9875\u7d27\u968f\u5176\u540e\uff0c\u8bf4\u660e\u4f60\u662f\u5148\u524d\u662f\u4ece\u54ea\u4e2a\u7f51\u5740\u70b9\u51fb\u8bbf\u95ee\u5230\u8be5\u9875\u9762\u7684\uff0c\u5982\u679c\u6ca1\u6709\u5219\u4e0d\u586b<\/td>\r\nReferer: http:\/\/www.zcmhi.com\/archives\/71.html<\/td>\r\n<\/tr>\r\n
Content-Type<\/td>\r\n\u5185\u5bb9\u7684\u7c7b\u578b\uff0cGET \u8bf7\u6c42\u65e0\u8be5\u5b57\u6bb5\uff0cPOST \u8bf7\u6c42\u4e2d\u5e38\u89c1\u7684\u6709 application\/x-www-form-urlencoded \u4e3a\u666e\u901a\u7684\u8868\u5355\u63d0\u4ea4\uff0c\u8fd8\u6709\u6587\u4ef6\u4e0a\u4f20\u4e3a multipart\/form-data<\/td>\r\nContent-Type: application\/x-www-form-urlencoded<\/td>\r\n<\/tr>\r\n
Accept-Charset<\/td>\r\n\u6d4f\u89c8\u5668\u53ef\u4ee5\u63a5\u53d7\u7684\u5b57\u7b26\u7f16\u7801\u96c6<\/td>\r\nAccept-Charset: iso-8859-5<\/td>\r\n<\/tr>\r\n
Accept-Ranges<\/td>\r\n\u53ef\u4ee5\u8bf7\u6c42\u7f51\u9875\u5b9e\u4f53\u7684\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u5b50\u8303\u56f4\u5b57\u6bb5<\/td>\r\nAccept-Ranges: bytes<\/td>\r\n<\/tr>\r\n
Authorization<\/td>\r\nHTTP\u6388\u6743\u7684\u6388\u6743\u8bc1\u4e66<\/td>\r\nAuthorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==<\/td>\r\n<\/tr>\r\n
Date<\/td>\r\n\u8bf7\u6c42\u53d1\u9001\u7684\u65e5\u671f\u548c\u65f6\u95f4<\/td>\r\nDate: Tue, 15 Nov 2010 08:12:31 GMT<\/td>\r\n<\/tr>\r\n
Expect<\/td>\r\n\u8bf7\u6c42\u7684\u7279\u5b9a\u7684\u670d\u52a1\u5668\u884c\u4e3a<\/td>\r\nExpect: 100-continue<\/td>\r\n<\/tr>\r\n
From<\/td>\r\n\u53d1\u51fa\u8bf7\u6c42\u7684\u7528\u6237\u7684Email<\/td>\r\nFrom: user@email.com<\/td>\r\n<\/tr>\r\n
If-Match<\/td>\r\n\u53ea\u6709\u8bf7\u6c42\u5185\u5bb9\u4e0e\u5b9e\u4f53\u76f8\u5339\u914d\u624d\u6709\u6548<\/td>\r\nIf-Match: \u201c737060cd8c284d8af7ad3082f209582d\u201d<\/td>\r\n<\/tr>\r\n
If-Modified-Since<\/td>\r\n\u5982\u679c\u8bf7\u6c42\u7684\u90e8\u5206\u5728\u6307\u5b9a\u65f6\u95f4\u4e4b\u540e\u88ab\u4fee\u6539\u5219\u8bf7\u6c42\u6210\u529f\uff0c\u672a\u88ab\u4fee\u6539\u5219\u8fd4\u56de304\u4ee3\u7801<\/td>\r\nIf-Modified-Since: Sat, 29 Oct 2010 19:43:31 GMT<\/td>\r\n<\/tr>\r\n
If-None-Match<\/td>\r\n\u5982\u679c\u5185\u5bb9\u672a\u6539\u53d8\u8fd4\u56de304\u4ee3\u7801\uff0c\u53c2\u6570\u4e3a\u670d\u52a1\u5668\u5148\u524d\u53d1\u9001\u7684Etag\uff0c\u4e0e\u670d\u52a1\u5668\u56de\u5e94\u7684Etag\u6bd4\u8f83\u5224\u65ad\u662f\u5426\u6539\u53d8<\/td>\r\nIf-None-Match: \u201c737060cd8c284d8af7ad3082f209582d\u201d<\/td>\r\n<\/tr>\r\n
If-Range<\/td>\r\n\u5982\u679c\u5b9e\u4f53\u672a\u6539\u53d8\uff0c\u670d\u52a1\u5668\u53d1\u9001\u5ba2\u6237\u7aef\u4e22\u5931\u7684\u90e8\u5206\uff0c\u5426\u5219\u53d1\u9001\u6574\u4e2a\u5b9e\u4f53\u3002\u53c2\u6570\u4e5f\u4e3aEtag<\/td>\r\nIf-Range: \u201c737060cd8c284d8af7ad3082f209582d\u201d<\/td>\r\n<\/tr>\r\n
If-Unmodified-Since<\/td>\r\n\u53ea\u5728\u5b9e\u4f53\u5728\u6307\u5b9a\u65f6\u95f4\u4e4b\u540e\u672a\u88ab\u4fee\u6539\u624d\u8bf7\u6c42\u6210\u529f<\/td>\r\nIf-Unmodified-Since: Sat, 29 Oct 2010 19:43:31 GMT<\/td>\r\n<\/tr>\r\n
Max-Forwards<\/td>\r\n\u9650\u5236\u4fe1\u606f\u901a\u8fc7\u4ee3\u7406\u548c\u7f51\u5173\u4f20\u9001\u7684\u65f6\u95f4<\/td>\r\nMax-Forwards: 10<\/td>\r\n<\/tr>\r\n
Pragma<\/td>\r\n\u7528\u6765\u5305\u542b\u5b9e\u73b0\u7279\u5b9a\u7684\u6307\u4ee4<\/td>\r\nPragma: no-cache<\/td>\r\n<\/tr>\r\n
Proxy-Authorization<\/td>\r\n\u8fde\u63a5\u5230\u4ee3\u7406\u7684\u6388\u6743\u8bc1\u4e66<\/td>\r\nProxy-Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==<\/td>\r\n<\/tr>\r\n
Range<\/td>\r\n\u53ea\u8bf7\u6c42\u5b9e\u4f53\u7684\u4e00\u90e8\u5206\uff0c\u6307\u5b9a\u8303\u56f4<\/td>\r\nRange: bytes=500-999<\/td>\r\n<\/tr>\r\n
Referer<\/td>\r\n\u5148\u524d\u7f51\u9875\u7684\u5730\u5740\uff0c\u5f53\u524d\u8bf7\u6c42\u7f51\u9875\u7d27\u968f\u5176\u540e,\u5373\u6765\u8def<\/td>\r\nReferer: http:\/\/www.zcmhi.com\/archives\/71.html<\/td>\r\n<\/tr>\r\n
TE<\/td>\r\n\u5ba2\u6237\u7aef\u613f\u610f\u63a5\u53d7\u7684\u4f20\u8f93\u7f16\u7801\uff0c\u5e76\u901a\u77e5\u670d\u52a1\u5668\u63a5\u53d7\u63a5\u53d7\u5c3e\u52a0\u5934\u4fe1\u606f<\/td>\r\nTE: trailers,deflate;q=0.5<\/td>\r\n<\/tr>\r\n
Upgrade<\/td>\r\n\u5411\u670d\u52a1\u5668\u6307\u5b9a\u67d0\u79cd\u4f20\u8f93\u534f\u8bae\u4ee5\u4fbf\u670d\u52a1\u5668\u8fdb\u884c\u8f6c\u6362\uff08\u5982\u679c\u652f\u6301\uff09<\/td>\r\nUpgrade: HTTP\/2.0, SHTTP\/1.3, IRC\/6.9, RTA\/x11<\/td>\r\n<\/tr>\r\n
Via<\/td>\r\n\u901a\u77e5\u4e2d\u95f4\u7f51\u5173\u6216\u4ee3\u7406\u670d\u52a1\u5668\u5730\u5740\uff0c\u901a\u4fe1\u534f\u8bae<\/td>\r\nVia: 1.0 fred, 1.1 nowhere.com (Apache\/1.1)<\/td>\r\n<\/tr>\r\n
Warning<\/td>\r\n\u5173\u4e8e\u6d88\u606f\u5b9e\u4f53\u7684\u8b66\u544a\u4fe1\u606f<\/td>\r\nWarn: 199 Miscellaneous warning<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n

\u8bf7\u6c42\u62a5\u6587\u7a7a\u884c<\/h3>\r\n\r\n\r\n\r\n

\u8fd9\u662f\u4e2a\u7a7a\u884c<\/p>\r\n\r\n\r\n\r\n

\u8bf7\u6c42\u62a5\u6587\u4e3b<\/h3>\r\n\r\n\r\n\r\n

\u4e00\u822c\u662fPOST\u7684\u8bf7\u6c42\u65b9\u6cd5\u624d\u6709,\u4e3b\u4f53\u5185\u5bb9<\/p>\r\n

\r\n\r\n<\/p>\r\n

\"\"<\/a><\/p>\r\n

6.http\u54cd\u5e94\u62a5\u6587<\/h1>\r\n

\r\n\r\n<\/p>\r\n

\u72b6\u6001\u7801<\/h3>\r\n

\r\n\r\n<\/p>\r\n

\r\n\r\n\r\n\r\n\r\n\r\n\r\n
2xx<\/td>\r\n\u6b63\u5e38<\/td>\r\n<\/tr>\r\n
3xx<\/td>\r\n\u6b63\u5e38,\u8df3\u8f6c<\/td>\r\n<\/tr>\r\n
4xx<\/td>\r\n\u6545\u969c,\u7528\u6237<\/td>\r\n<\/tr>\r\n
5xx<\/td>\r\n\u6545\u969c,\u670d\u52a1\u7aef<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n

\r\n\r\n<\/p>\r\n

\u5e38\u89c1\u72b6\u6001\u7801<\/h3>\r\n

\r\n\r\n<\/p>\r\n

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\u72b6\u6001\u4ee3\u7801<\/td>\r\n\u8be6\u7ec6\u63cf\u8ff0\u8bf4\u660e<\/td>\r\n<\/tr>\r\n
200 – OK<\/td>\r\n\u670d\u52a1\u5668\u6210\u529f\u8fd4\u56de\u7f51\u9875\uff0c\u8fd9\u662f\u6210\u529f\u7684http\u8bf7\u6c42\uff0c\u8fd4\u56de\u7684\u6807\u51c6\u72b6\u6001\u7801<\/td>\r\n<\/tr>\r\n
301 – Moved Permanently<\/td>\r\n\u6c38\u4e45\u8df3\u8f6c\uff0c\u6240\u6709\u8bf7\u6c42\u7684\u7f51\u9875\u5c06\u6c38\u4e45\u8df3\u8f6c\u5230\u88ab\u8bbe\u5b9a\u7684\u65b0\u7684\u4f4d\u7f6e\uff0c\u4f8b\u5982\uff1a\u4eceetiantian.org\u8df3\u8f6c\u5230www.etiantian.org<\/td>\r\n<\/tr>\r\n
302<\/td>\r\n\u4e34\u65f6\u8df3\u8f6c<\/td>\r\n<\/tr>\r\n
403 – Forbidden<\/td>\r\n\u7981\u6b62\u8bbf\u95ee\uff0c\u8fd9\u4e2a\u8bf7\u6c42\u662f\u5408\u6cd5\u7684\uff0c\u4f46\u662f\u670d\u52a1\u5668\u7aef\u56e0\u4e3a\u5339\u914d\u4e86\u9884\u5148\u8bbe\u7f6e\u7684\u89c4\u5219\u800c\u62d2\u7edd\u54cd\u5e94\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u6b64\u7c7b\u95ee\u9898\u4e00\u822c\u4e3a\u670d\u52a1\u5668\u6216\u670d\u52a1\u6743\u9650\u914d\u7f6e\u4e0d\u5f53\u6240\u81f4\u3002Nginx 403<\/em> forbidden\u591a\u79cd\u539f\u56e0\u53ca\u6545\u969c\u6a21\u62df\u91cd\u73b0 403\u95ee\u9898\u7cbe\u5f69\u603b\u7ed3\u00a0<\/a><\/td>\r\n<\/tr>\r\n
404 – Not Found<\/td>\r\n\u670d\u52a1\u5668\u627e\u4e0d\u5230\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u6307\u5b9a\u9875\u9762\uff0c\u53ef\u80fd\u662f\u5ba2\u6237\u7aef\u8bf7\u6c42\u4e86\u670d\u52a1\u5668\u4e0a\u4e0d\u5b58\u5728\u7684\u8d44\u6e90\u5bfc\u81f4<\/td>\r\n<\/tr>\r\n
500 – Internal Server Error<\/td>\r\n\u5185\u90e8\u670d\u52a1\u5668\u9519\u8bef\uff0c\u670d\u52a1\u5668\u9047\u5230\u4e86\u610f\u6599\u4e0d\u5230\u7684\u60c5\u51b5\uff0c\u4e0d\u80fd\u5b8c\u6210\u5ba2\u6237\u7684\u8bf7\u6c42\u3002\u8fd9\u662f\u4e00\u4e2a\u8f83\u4e3a\u7b3c\u7edf\u7684\u62a5\u9519\uff0c\u4e00\u822c\u4e3a\u670d\u52a1\u5668\u7684\u8bbe\u7f6e\u6216\u8005\u5185\u90e8\u7a0b\u5e8f\u95ee\u9898\u5bfc\u81f4\u3002\u4f8b\u5982\uff1aSElinux\u5f00\u542f\uff0c\u800c\u53c8\u6ca1\u6709\u4e3ahttp\u8bbe\u7f6e\u89c4\u5219\u8bb8\u53ef\uff0c\u5ba2\u6237\u7aef\u8bbf\u95ee\u5c31\u662f500<\/td>\r\n<\/tr>\r\n
502 – Bad Gateway<\/td>\r\n\u574f\u7684\u7f51\u5173,\u4e00\u822c\u662f\u4ee3\u7406\u670d\u52a1\u5668\u8bf7\u6c42\u540e\u7aef\u670d\u52a1\u65f6\uff0c\u540e\u7aef\u670d\u52a1\u4e0d\u53ef\u7528\u6216\u6ca1\u6709\u5b8c\u6210\u54cd\u5e94\u7f51\u5173\u670d\u52a1\u5668\u3002\u4e00\u822c\u4e3a\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u4e0b\u9762\u7684\u8282\u70b9\u51fa\u95ee\u9898\u5bfc\u81f4\u3002 \u4e2d\u4ecb\uff0c\u8fce\u5bbe—-\u65e0\u6cd5\u4e0e\u540e\u9762\u7684\u670d\u52a1\u5668\u8054\u7cfb<\/td>\r\n<\/tr>\r\n
503 – Service Unavailable<\/td>\r\n\u670d\u52a1\u5f53\u524d\u4e0d\u53ef\u7528\uff0c\u53ef\u80fd\u56e0\u4e3a\u670d\u52a1\u5668\u8d85\u8f7d\u6216\u505c\u673a\u7ef4\u62a4\u5bfc\u81f4\uff0c\u6216\u8005\u662f\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u540e\u9762\u6ca1\u6709\u53ef\u4ee5\u63d0\u4f9b\u670d\u52a1\u7684\u8282\u70b9<\/td>\r\n<\/tr>\r\n
504 – Gateway Timeout<\/td>\r\n\u7f51\u5173\u8d85\u65f6\uff0c\u4e00\u822c\u662f\u7f51\u5173\u4ee3\u7406\u670d\u52a1\u5668\u8bf7\u6c42\u540e\u7aef\u670d\u52a1\u65f6\uff0c\u540e\u7aef\u670d\u52a1\u6ca1\u6709\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u5185\u5b8c\u6210\u5904\u7406\u8bf7\u6c42\uff0c\u4e00\u822c\u662f\u670d\u52a1\u5668\u8fc7\u8f7d\u5bfc\u81f4\u6ca1\u6709\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u5185\u8fd4\u56de\u6570\u636e\u7ed9\u524d\u7aef\u4ee3\u7406\u670d\u52a1\u5668<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n

\r\n\r\n<\/p>\r\n

2xx\u72b6\u6001\u7801<\/h3>\r\n

\r\n\r\n<\/p>\r\n

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\u72b6\u6001\u4ee3\u7801<\/td>\r\n\u8be6\u7ec6\u63cf\u8ff0\u8bf4\u660e<\/td>\r\n<\/tr>\r\n
201\uff08\u5df2\u521b\u5efa\uff09<\/td>\r\n\u8bf7\u6c42\u6210\u529f\u5e76\u4e14\u670d\u52a1\u5668\u521b\u5efa\u4e86\u65b0\u7684\u8d44\u6e90<\/td>\r\n<\/tr>\r\n
202\uff08\u5df2\u63a5\u53d7\uff09<\/td>\r\n\u670d\u52a1\u5668\u5df2\u63a5\u53d7\u8bf7\u6c42\uff0c\u4f46\u5c1a\u672a\u5904\u7406<\/td>\r\n<\/tr>\r\n
203\uff08\u975e\u6388\u6743\u4fe1\u606f\uff09<\/td>\r\n\u670d\u52a1\u5668\u5df2\u6210\u529f\u5904\u7406\u4e86\u8bf7\u6c42\uff0c\u4f46\u8fd4\u56de\u7684\u4fe1\u606f\u53ef\u80fd\u6765\u81ea\u53e6\u4e00\u6765\u6e90<\/td>\r\n<\/tr>\r\n
204\uff08\u65e0\u5185\u5bb9\uff09<\/td>\r\n\u670d\u52a1\u5668\u6210\u529f\u5904\u7406\u4e86\u8bf7\u6c42\uff0c\u4f46\u6ca1\u6709\u8fd4\u56de\u4efb\u4f55\u5185\u5bb9<\/td>\r\n<\/tr>\r\n
205\uff08\u91cd\u7f6e\u5185\u5bb9\uff09<\/td>\r\n\u670d\u52a1\u5668\u6210\u529f\u5904\u7406\u4e86\u8bf7\u6c42\uff0c\u4f46\u6ca1\u6709\u8fd4\u56de\u4efb\u4f55\u5185\u5bb9<\/td>\r\n<\/tr>\r\n
206\uff08\u90e8\u5206\u5185\u5bb9\uff09<\/td>\r\n\u670d\u52a1\u5668\u6210\u529f\u5904\u7406\u4e86\u90e8\u5206 GET \u8bf7\u6c42<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n

\r\n\r\n<\/p>\r\n

3xx\u72b6\u6001\u7801<\/h3>\r\n

\r\n\r\n<\/p>\r\n

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\u72b6\u6001\u4ee3\u7801<\/td>\r\n\u8be6\u7ec6\u63cf\u8ff0\u8bf4\u660e<\/td>\r\n<\/tr>\r\n
300\uff08\u591a\u79cd\u9009\u62e9\uff09<\/td>\r\n\u9488\u5bf9\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u53ef\u6267\u884c\u591a\u79cd\u64cd\u4f5c\u3002 \u670d\u52a1\u5668\u53ef\u6839\u636e\u8bf7\u6c42\u8005 (user agent) \u9009\u62e9\u4e00\u9879\u64cd\u4f5c\uff0c\u6216\u63d0\u4f9b\u64cd\u4f5c\u5217\u8868\u4f9b\u8bf7\u6c42\u8005\u9009\u62e9<\/td>\r\n<\/tr>\r\n
303\uff08\u67e5\u770b\u5176\u4ed6\u4f4d\u7f6e\uff09<\/td>\r\n\u8bf7\u6c42\u8005\u5e94\u5f53\u5bf9\u4e0d\u540c\u7684\u4f4d\u7f6e\u4f7f\u7528\u5355\u72ec\u7684 GET \u8bf7\u6c42\u6765\u68c0\u7d22\u54cd\u5e94\u65f6\uff0c\u670d\u52a1\u5668\u8fd4\u56de\u6b64\u4ee3\u7801<\/td>\r\n<\/tr>\r\n
304\uff08\u672a\u4fee\u6539\uff09<\/td>\r\n\u81ea\u4ece\u4e0a\u6b21\u8bf7\u6c42\u540e\uff0c\u8bf7\u6c42\u7684\u7f51\u9875\u672a\u4fee\u6539\u8fc7\u3002 \u670d\u52a1\u5668\u8fd4\u56de\u6b64\u54cd\u5e94\u65f6\uff0c\u4e0d\u4f1a\u8fd4\u56de\u7f51\u9875\u5185\u5bb9<\/td>\r\n<\/tr>\r\n
305\uff08\u4f7f\u7528\u4ee3\u7406\uff09<\/td>\r\n\u8bf7\u6c42\u8005\u53ea\u80fd\u4f7f\u7528\u4ee3\u7406\u8bbf\u95ee\u8bf7\u6c42\u7684\u7f51\u9875\u3002 \u5982\u679c\u670d\u52a1\u5668\u8fd4\u56de\u6b64\u54cd\u5e94\uff0c\u8fd8\u8868\u793a\u8bf7\u6c42\u8005\u5e94\u4f7f\u7528\u4ee3\u7406<\/td>\r\n<\/tr>\r\n
307\uff08\u4e34\u65f6\u91cd\u5b9a\u5411\uff09<\/td>\r\n\u670d\u52a1\u5668\u76ee\u524d\u4ece\u4e0d\u540c\u4f4d\u7f6e\u7684\u7f51\u9875\u54cd\u5e94\u8bf7\u6c42\uff0c\u4f46\u8bf7\u6c42\u8005\u5e94\u7ee7\u7eed\u4f7f\u7528\u539f\u6709\u4f4d\u7f6e\u6765\u8fdb\u884c\u4ee5\u540e\u7684\u8bf7\u6c42<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n

\r\n\r\n<\/p>\r\n

4xx\u72b6\u6001\u7801<\/h3>\r\n

\r\n\r\n<\/p>\r\n

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\u72b6\u6001\u4ee3\u7801<\/td>\r\n\u8be6\u7ec6\u63cf\u8ff0\u8bf4\u660e<\/td>\r\n<\/tr>\r\n
400\uff08\u9519\u8bef\u8bf7\u6c42\uff09<\/td>\r\n\u670d\u52a1\u5668\u4e0d\u7406\u89e3\u8bf7\u6c42\u7684\u8bed\u6cd5<\/td>\r\n<\/tr>\r\n
401\uff08\u672a\u6388\u6743\uff09<\/td>\r\n\u8bf7\u6c42\u8981\u6c42\u8eab\u4efd\u9a8c\u8bc1\u3002 \u5bf9\u4e8e\u9700\u8981\u767b\u5f55\u7684\u7f51\u9875\uff0c\u670d\u52a1\u5668\u53ef\u80fd\u8fd4\u56de\u6b64\u54cd\u5e94<\/td>\r\n<\/tr>\r\n
405\uff08\u65b9\u6cd5\u7981\u7528\uff09<\/td>\r\n\u7981\u7528\u8bf7\u6c42\u4e2d\u6307\u5b9a\u7684\u65b9\u6cd5<\/td>\r\n<\/tr>\r\n
406\uff08\u4e0d\u63a5\u53d7\uff09<\/td>\r\n\u65e0\u6cd5\u4f7f\u7528\u8bf7\u6c42\u7684\u5185\u5bb9\u7279\u6027\u54cd\u5e94\u8bf7\u6c42\u7684\u7f51\u9875<\/td>\r\n<\/tr>\r\n
407\uff08\u9700\u8981\u4ee3\u7406\u6388\u6743\uff09<\/td>\r\n\u6b64\u72b6\u6001\u4ee3\u7801\u4e0e 401\uff08\u672a\u6388\u6743\uff09\u7c7b\u4f3c\uff0c\u4f46\u6307\u5b9a\u8bf7\u6c42\u8005\u5e94\u5f53\u6388\u6743\u4f7f\u7528\u4ee3\u7406<\/td>\r\n<\/tr>\r\n
408\uff08\u8bf7\u6c42\u8d85\u65f6\uff09<\/td>\r\n\u670d\u52a1\u5668\u7b49\u5019\u8bf7\u6c42\u65f6\u53d1\u751f\u8d85\u65f6<\/td>\r\n<\/tr>\r\n
409\uff08\u51b2\u7a81\uff09<\/td>\r\n\u670d\u52a1\u5668\u5728\u5b8c\u6210\u8bf7\u6c42\u65f6\u53d1\u751f\u51b2\u7a81\u3002 \u670d\u52a1\u5668\u5fc5\u987b\u5728\u54cd\u5e94\u4e2d\u5305\u542b\u6709\u5173\u51b2\u7a81\u7684\u4fe1\u606f<\/td>\r\n<\/tr>\r\n
410\uff08\u5df2\u5220\u9664\uff09<\/td>\r\n\u5982\u679c\u8bf7\u6c42\u7684\u8d44\u6e90\u5df2\u6c38\u4e45\u5220\u9664\uff0c\u670d\u52a1\u5668\u5c31\u4f1a\u8fd4\u56de\u6b64\u54cd\u5e94<\/td>\r\n<\/tr>\r\n
411\uff08\u9700\u8981\u6709\u6548\u957f\u5ea6\uff09<\/td>\r\n\u670d\u52a1\u5668\u4e0d\u63a5\u53d7\u4e0d\u542b\u6709\u6548\u5185\u5bb9\u957f\u5ea6\u6807\u5934\u5b57\u6bb5\u7684\u8bf7\u6c42<\/td>\r\n<\/tr>\r\n
413\uff08\u8bf7\u6c42\u5b9e\u4f53\u8fc7\u5927\uff09<\/td>\r\n\u670d\u52a1\u5668\u65e0\u6cd5\u5904\u7406\u8bf7\u6c42\uff0c\u56e0\u4e3a\u8bf7\u6c42\u5b9e\u4f53\u8fc7\u5927\uff0c\u8d85\u51fa\u670d\u52a1\u5668\u7684\u5904\u7406\u80fd\u529b<\/td>\r\n<\/tr>\r\n
414\uff08\u8bf7\u6c42\u7684 URI \u8fc7\u957f\uff09<\/td>\r\n\u8bf7\u6c42\u7684 URI\uff08\u901a\u5e38\u4e3a\u7f51\u5740\uff09\u8fc7\u957f\uff0c\u670d\u52a1\u5668\u65e0\u6cd5\u5904\u7406<\/td>\r\n<\/tr>\r\n
415\uff08\u4e0d\u652f\u6301\u7684\u5a92\u4f53\u7c7b\u578b\uff09<\/td>\r\n\u8bf7\u6c42\u7684\u683c\u5f0f\u4e0d\u53d7\u8bf7\u6c42\u9875\u9762\u7684\u652f\u6301<\/td>\r\n<\/tr>\r\n
416\uff08\u8bf7\u6c42\u8303\u56f4\u4e0d\u7b26\u5408\u8981\u6c42\uff09<\/td>\r\n\u5982\u679c\u9875\u9762\u65e0\u6cd5\u63d0\u4f9b\u8bf7\u6c42\u7684\u8303\u56f4\uff0c\u5219\u670d\u52a1\u5668\u4f1a\u8fd4\u56de\u6b64\u72b6\u6001\u4ee3\u7801<\/td>\r\n<\/tr>\r\n
417\uff08\u672a\u6ee1\u8db3\u671f\u671b\u503c\uff09<\/td>\r\n\u670d\u52a1\u5668\u672a\u6ee1\u8db3\u201d\u671f\u671b\u201d\u8bf7\u6c42\u6807\u5934\u5b57\u6bb5\u7684\u8981\u6c42<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n

\r\n\r\n<\/p>\r\n

5xx\u72b6\u6001\u7801<\/h3>\r\n

\r\n\r\n<\/p>\r\n

\r\n\r\n\r\n\r\n\r\n\r\n
\u72b6\u6001\u4ee3\u7801<\/td>\r\n\u8be6\u7ec6\u63cf\u8ff0\u8bf4\u660e<\/td>\r\n<\/tr>\r\n
501\uff08\u5c1a\u672a\u5b9e\u65bd\uff09<\/td>\r\n\u670d\u52a1\u5668\u4e0d\u5177\u5907\u5b8c\u6210\u8bf7\u6c42\u7684\u529f\u80fd\u3002 \u4f8b\u5982\uff0c\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u8bf7\u6c42\u65b9\u6cd5\u65f6\u53ef\u80fd\u4f1a\u8fd4\u56de\u6b64\u4ee3\u7801<\/td>\r\n<\/tr>\r\n
505\uff08HTTP \u7248\u672c\u4e0d\u53d7\u652f\u6301\uff09<\/td>\r\n\u670d\u52a1\u5668\u4e0d\u652f\u6301\u8bf7\u6c42\u4e2d\u6240\u7528\u7684 HTTP \u534f\u8bae\u7248\u672c<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n

\r\n\r\n<\/p>\r\n

\u54cd\u5e94\u5934<\/h2>\r\n

\r\n\r\n<\/p>\r\n

\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Header<\/td>\r\n\u89e3\u91ca<\/td>\r\n\u793a\u4f8b<\/td>\r\n<\/tr>\r\n
Accept-Ranges<\/td>\r\n\u8868\u660e\u670d\u52a1\u5668\u662f\u5426\u652f\u6301\u6307\u5b9a\u8303\u56f4\u8bf7\u6c42\u53ca\u54ea\u79cd\u7c7b\u578b\u7684\u5206\u6bb5\u8bf7\u6c42<\/td>\r\nAccept-Ranges: bytes<\/td>\r\n<\/tr>\r\n
Age<\/td>\r\n\u4ece\u539f\u59cb\u670d\u52a1\u5668\u5230\u4ee3\u7406\u7f13\u5b58\u5f62\u6210\u7684\u4f30\u7b97\u65f6\u95f4\uff08\u4ee5\u79d2\u8ba1\uff0c\u975e\u8d1f\uff09<\/td>\r\nAge: 12<\/td>\r\n<\/tr>\r\n
Allow<\/td>\r\n\u5bf9\u67d0\u7f51\u7edc\u8d44\u6e90\u7684\u6709\u6548\u7684\u8bf7\u6c42\u884c\u4e3a\uff0c\u4e0d\u5141\u8bb8\u5219\u8fd4\u56de405<\/td>\r\nAllow: GET, HEAD<\/td>\r\n<\/tr>\r\n
Cache-Control<\/td>\r\n\u544a\u8bc9\u6240\u6709\u7684\u7f13\u5b58\u673a\u5236\u662f\u5426\u53ef\u4ee5\u7f13\u5b58\u53ca\u54ea\u79cd\u7c7b\u578b<\/td>\r\nCache-Control: no-cache<\/td>\r\n<\/tr>\r\n
Content-Encoding<\/td>\r\nweb\u670d\u52a1\u5668\u652f\u6301\u7684\u8fd4\u56de\u5185\u5bb9\u538b\u7f29\u7f16\u7801\u7c7b\u578b<\/td>\r\nContent-Encoding: gzip<\/td>\r\n<\/tr>\r\n
Content-Language<\/td>\r\n\u54cd\u5e94\u4f53\u7684\u8bed\u8a00<\/td>\r\nContent-Language: en,zh<\/td>\r\n<\/tr>\r\n
Content-Length<\/td>\r\n\u54cd\u5e94\u4f53\u7684\u957f\u5ea6<\/td>\r\nContent-Length: 348<\/td>\r\n<\/tr>\r\n
Content-Location<\/td>\r\n\u8bf7\u6c42\u8d44\u6e90\u53ef\u66ff\u4ee3\u7684\u5907\u7528\u7684\u53e6\u4e00\u5730\u5740<\/td>\r\nContent-Location: \/index.htm<\/td>\r\n<\/tr>\r\n
Content-MD5<\/td>\r\n\u8fd4\u56de\u8d44\u6e90\u7684MD5\u6821\u9a8c\u503c<\/td>\r\nContent-MD5: Q2hlY2sgSW50ZWdyaXR5IQ==<\/td>\r\n<\/tr>\r\n
Content-Range<\/td>\r\n\u5728\u6574\u4e2a\u8fd4\u56de\u4f53\u4e2d\u672c\u90e8\u5206\u7684\u5b57\u8282\u4f4d\u7f6e<\/td>\r\nContent-Range: bytes 21010-47021\/47022<\/td>\r\n<\/tr>\r\n
Content-Type<\/td>\r\n\u8fd4\u56de\u5185\u5bb9\u7684MIME\u7c7b\u578b<\/td>\r\nContent-Type: text\/html; charset=utf-8<\/td>\r\n<\/tr>\r\n
Date<\/td>\r\n\u539f\u59cb\u670d\u52a1\u5668\u6d88\u606f\u53d1\u51fa\u7684\u65f6\u95f4<\/td>\r\nDate: Tue, 15 Nov 2010 08:12:31 GMT<\/td>\r\n<\/tr>\r\n
ETag<\/td>\r\n\u8bf7\u6c42\u53d8\u91cf\u7684\u5b9e\u4f53\u6807\u7b7e\u7684\u5f53\u524d\u503c<\/td>\r\nETag: \u201c737060cd8c284d8af7ad3082f209582d\u201d<\/td>\r\n<\/tr>\r\n
Expires<\/td>\r\n\u54cd\u5e94\u8fc7\u671f\u7684\u65e5\u671f\u548c\u65f6\u95f4<\/td>\r\nExpires: Thu, 01 Dec 2010 16:00:00 GMT<\/td>\r\n<\/tr>\r\n
Last-Modified<\/td>\r\n\u8bf7\u6c42\u8d44\u6e90\u7684\u6700\u540e\u4fee\u6539\u65f6\u95f4<\/td>\r\nLast-Modified: Tue, 15 Nov 2010 12:45:26 GMT<\/td>\r\n<\/tr>\r\n
Location<\/td>\r\n\u7528\u6765\u91cd\u5b9a\u5411\u63a5\u6536\u65b9\u5230\u975e\u8bf7\u6c42URL\u7684\u4f4d\u7f6e\u6765\u5b8c\u6210\u8bf7\u6c42\u6216\u6807\u8bc6\u65b0\u7684\u8d44\u6e90<\/td>\r\nLocation: http:\/\/www.zcmhi.com\/archives\/94.html<\/td>\r\n<\/tr>\r\n
Pragma<\/td>\r\n\u5305\u62ec\u5b9e\u73b0\u7279\u5b9a\u7684\u6307\u4ee4\uff0c\u5b83\u53ef\u5e94\u7528\u5230\u54cd\u5e94\u94fe\u4e0a\u7684\u4efb\u4f55\u63a5\u6536\u65b9<\/td>\r\nPragma: no-cache<\/td>\r\n<\/tr>\r\n
Proxy-Authenticate<\/td>\r\n\u5b83\u6307\u51fa\u8ba4\u8bc1\u65b9\u6848\u548c\u53ef\u5e94\u7528\u5230\u4ee3\u7406\u7684\u8be5URL\u4e0a\u7684\u53c2\u6570<\/td>\r\nProxy-Authenticate: Basic<\/td>\r\n<\/tr>\r\n
refresh<\/td>\r\n\u5e94\u7528\u4e8e\u91cd\u5b9a\u5411\u6216\u4e00\u4e2a\u65b0\u7684\u8d44\u6e90\u88ab\u521b\u9020\uff0c\u57285\u79d2\u4e4b\u540e\u91cd\u5b9a\u5411\uff08\u7531\u7f51\u666f\u63d0\u51fa\uff0c\u88ab\u5927\u90e8\u5206\u6d4f\u89c8\u5668\u652f\u6301\uff09<\/td>\r\nRefresh: 5; url=
http:\/\/www.zcmhi.com\/archives\/94.html<\/td>\r\n<\/tr>\r\n
Retry-After<\/td>\r\n\u5982\u679c\u5b9e\u4f53\u6682\u65f6\u4e0d\u53ef\u53d6\uff0c\u901a\u77e5\u5ba2\u6237\u7aef\u5728\u6307\u5b9a\u65f6\u95f4\u4e4b\u540e\u518d\u6b21\u5c1d\u8bd5<\/td>\r\nRetry-After: 120<\/td>\r\n<\/tr>\r\n
Server<\/td>\r\nweb\u670d\u52a1\u5668\u8f6f\u4ef6\u540d\u79f0<\/td>\r\nServer: Apache\/1.3.27 (Unix) (Red-Hat\/Linux)<\/td>\r\n<\/tr>\r\n
Set-Cookie<\/td>\r\n\u8bbe\u7f6eHttp Cookie<\/td>\r\nSet-Cookie: UserID=JohnDoe; Max-Age=3600; Version=1<\/td>\r\n<\/tr>\r\n
Trailer<\/td>\r\n\u6307\u51fa\u5934\u57df\u5728\u5206\u5757\u4f20\u8f93\u7f16\u7801\u7684\u5c3e\u90e8\u5b58\u5728<\/td>\r\nTrailer: Max-Forwards<\/td>\r\n<\/tr>\r\n
Transfer-Encoding<\/td>\r\n\u6587\u4ef6\u4f20\u8f93\u7f16\u7801<\/td>\r\nTransfer-Encoding:chunked<\/td>\r\n<\/tr>\r\n
Vary<\/td>\r\n\u544a\u8bc9\u4e0b\u6e38\u4ee3\u7406\u662f\u4f7f\u7528\u7f13\u5b58\u54cd\u5e94\u8fd8\u662f\u4ece\u539f\u59cb\u670d\u52a1\u5668\u8bf7\u6c42<\/td>\r\nVary: *<\/td>\r\n<\/tr>\r\n
Via<\/td>\r\n\u544a\u77e5\u4ee3\u7406\u5ba2\u6237\u7aef\u54cd\u5e94\u662f\u901a\u8fc7\u54ea\u91cc\u53d1\u9001\u7684<\/td>\r\nVia: 1.0 fred, 1.1 nowhere.com (Apache\/1.1)<\/td>\r\n<\/tr>\r\n
Warning<\/td>\r\n\u8b66\u544a\u5b9e\u4f53\u53ef\u80fd\u5b58\u5728\u7684\u95ee\u9898<\/td>\r\nWarning: 199 Miscellaneous warning<\/td>\r\n<\/tr>\r\n
WWW-Authenticate<\/td>\r\n\u8868\u660e\u5ba2\u6237\u7aef\u8bf7\u6c42\u5b9e\u4f53\u5e94\u8be5\u4f7f\u7528\u7684\u6388\u6743\u65b9\u6848<\/td>\r\nWWW-Authenticate: Basic<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n<\/div><\/div>\r\n

\r\n\r\n<\/p>\r\n

 <\/p>\r\n

 <\/p>\r\n

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