{"id":509,"date":"2022-10-25T21:46:43","date_gmt":"2022-10-25T13:46:43","guid":{"rendered":"http:\/\/www.spiceandwolf.com.cn\/?p=509"},"modified":"2026-02-03T14:08:30","modified_gmt":"2026-02-03T06:08:30","slug":"application-layer","status":"publish","type":"post","link":"http:\/\/www.spiceandwolf.com.cn\/index.php\/application-layer\/","title":{"rendered":"\u5e94\u7528\u5c42"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u5c42\u7ec4\u6210<\/li>\n\n\n\n<li>\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u4f53\u7cfb\u7ed3\u6784<\/li>\n\n\n\n<li>\u7f51\u7edc\u5e94\u7528\u4e0e\u5bf9\u5e94\u7684\u5e94\u7528\u5c42\u534f\u8bae<\/li>\n<\/ul>\n\n\n\n<h2 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class=\"wp-block-heading\">HTTP\u62a5\u6587\u683c\u5f0f<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">HTTP\u8bf7\u6c42\u62a5\u6587\u683c\u5f0f<\/h5>\n\n\n\n<p>HTTP\u8bf7\u6c42\u62a5\u6587\u548c\u54cd\u5e94\u62a5\u6587\u7684\u683c\u5f0f\u7c7b\u4f3c\uff0c\u4f46\u662f\u5185\u5bb9\u4e0d\u5c3d\u76f8\u540c\u3002<\/p>\n\n\n\n<p>Http\u8bf7\u6c42\u62a5\u6587\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a\u8bf7\u6c42\u884c\uff0c\u9996\u90e8\u884c\u548c\u5b9e\u4f53\u4f53\u3002<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color\">\u6ce8\uff1asp\u8868\u793a\u7a7a\u683c\u7b26\uff0ccr\u8868\u793a\u56de\u8f66\u7b26\uff0clf\u8868\u793a\u6362\u884c\u7b26\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"555\" height=\"330\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-26.png\" alt=\"\" class=\"wp-image-565\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-26.png 555w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-26-300x178.png 300w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><figcaption class=\"wp-element-caption\">HTTP\u8bf7\u6c42\u62a5\u6587\u7684\u901a\u7528\u683c\u5f0f<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"915\" height=\"412\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-25.png\" alt=\"\" class=\"wp-image-564\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-25.png 915w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-25-300x135.png 300w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-25-768x346.png 768w\" sizes=\"auto, (max-width: 915px) 100vw, 915px\" \/><figcaption class=\"wp-element-caption\">\u5f00\u53d1\u8005\u6a21\u5f0f\u4e2d\u53ef\u89c2\u6d4b\u7684Request\u8bf7\u6c42\u5934<\/figcaption><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">HTTP\u54cd\u5e94\u62a5\u6587\u683c\u5f0f<\/h5>\n\n\n\n<p>HTTP\u54cd\u5e94\u62a5\u6587\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a\u72b6\u6001\u884c\u3001\u9996\u90e8\u884c\u548c\u5b9e\u4f53\u4f53\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"581\" height=\"331\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-27.png\" alt=\"\" class=\"wp-image-566\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-27.png 581w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-27-300x171.png 300w\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" \/><figcaption class=\"wp-element-caption\">HTTP\u54cd\u5e94\u62a5\u6587\u683c\u5f0f<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"766\" height=\"459\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-22.png\" alt=\"\" class=\"wp-image-561\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-22.png 766w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/11\/image-22-300x180.png 300w\" sizes=\"auto, (max-width: 766px) 100vw, 766px\" \/><figcaption class=\"wp-element-caption\">\u5f00\u53d1\u8005\u6a21\u5f0f\u4e2d\u53ef\u89c2\u6d4b\u7684Response\u54cd\u5e94\u5934<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">DNS\uff1a\u56e0\u7279\u7f51\u76ee\u5f55\u670d\u52a1<\/h3>\n\n\n\n<p>\u56e0\u4e3aIP\u5730\u5740\u4e0d\u65b9\u4fbf\u8bb0\u5fc6\uff0c\u6240\u4ee5\u57df\u540d\u7f51\u5740\u66f4\u53d7\u4e00\u822c\u4eba\u9752\u7750\uff0c\u800cDNS\u5c31\u63d0\u4f9b\u4e86\u57df\u540d\u5230IP\u7684\u5730\u5740\u8f6c\u6362\u670d\u52a1\u3002<\/p>\n\n\n\n<p>DNS\u6709\u4e24\u5c42\u542b\u4e49\uff1a<\/p>\n\n\n\n<ul 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