{"id":440,"date":"2023-09-04T14:35:27","date_gmt":"2023-09-04T06:35:27","guid":{"rendered":"https:\/\/blog.taiyang.space\/?p=440"},"modified":"2023-09-04T14:35:28","modified_gmt":"2023-09-04T06:35:28","slug":"%e7%ac%ac2%e7%ab%a0-%e5%ba%94%e7%94%a8%e5%b1%82","status":"publish","type":"post","link":"https:\/\/blog.taiyang.space\/?p=440","title":{"rendered":"\u7b2c2\u7ae0-\u5e94\u7528\u5c42"},"content":{"rendered":"<h2 id='21-\u5e94\u7528\u5c42\u6982\u8ff0'>2.1 \u5e94\u7528\u5c42\u6982\u8ff0<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432197.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432088.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h2 id='22-\u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0f\u548c\u5bf9\u7b49\u65b9\u5f0f'>2.2 \u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0f\u548c\u5bf9\u7b49\u65b9\u5f0f<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432147.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='221-\u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0fcs\u65b9\u5f0f\uff09'>2.2.1 \u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0f\uff08c\/s\u65b9\u5f0f\uff09<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432304.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432248.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='222-\u5bf9\u7b49\u65b9\u5f0fp2p\u65b9\u5f0f\uff09'>2.2.2 \u5bf9\u7b49\u65b9\u5f0f\uff08P2P\u65b9\u5f0f\uff09<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432345.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432719.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h2 id='23-\u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8baedhcp'>2.3 \u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8baeDHCP<\/h2>\n<h3 id='231-\u5de5\u4f5c\u6d41\u7a0b'>2.3.1 \u5de5\u4f5c\u6d41\u7a0b<\/h3>\n<ul>\n<li>\u5982\u56fe\u6240\u793a\uff0c\u6709\u4e24\u4e2aDHCP\u670d\u52a1\u5668\u548c\u4e00\u4e2aDHCP\u5ba2\u6237\uff0cDHCP\u662fTCP\/IP\u534f\u8bae\u4f53\u7cfb\u5e94\u7528\u5c42\u4e2d\u7684\u534f\u8bae\uff0c\u4f7f\u7528\u8fd0\u8f93\u5c42\u4e2dUDP\u63d0\u4f9b\u7684\u670d\u52a1\uff0c\u4f1a\u88ab\u5c01\u88c5\u6210UDP\u7528\u6237\u6570\u636e\u62a5\uff0cDHCP\u670d\u52a1\u5668\u7684UDP\u7aef\u53e3\u4e3a67\uff0cDHCP\u5ba2\u6237\u7684UDP\u7aef\u53e3\u53f7\u4e3a68\u3002<\/li>\n<li>\u4e3b\u673aDHCP\u542f\u7528\u540e\uff0cDHCP\u5ba2\u6237\u5e7f\u64ad\u53d1\u9001<strong>DHCP\u53d1\u73b0\u62a5\u6587<\/strong>\uff0c\u8be5\u62a5\u6587\u4e2d\u4e3b\u8981\u7684\u4fe1\u606f\u6709<strong>\u4e8b\u52a1ID<\/strong>\u548cDHCP\u5ba2\u6237\u7aef\u7684<strong>MAC\u5730\u5740<\/strong>\uff0c\u5c01\u88c5\u8be5\u62a5\u6587\u7684IP\u6570\u636e\u62a5\u7684\u6e90IP\u5730\u5740\u4e3a0.0.0.0\uff0c\u56e0\u4e3a\u4e3b\u673a\u76ee\u524d\u8fd8\u672a\u5206\u914dIP\u5730\u5740\uff0c\u76ee\u7684\u5730\u5740\u4e3a\u5e7f\u64ad\u5730\u5740255.255.255.255\uff0c\u56e0\u4e3a\u76ee\u524d\u4e3b\u673a\u4e0d\u77e5\u9053\u6709\u591a\u5c11\u4e2aDHCP\u670d\u52a1\u5668\uff0c\u6240\u4ee5\u8981\u5e7f\u64ad\u3002<\/li>\n<li>DHCP\u670d\u52a1\u5668\u63a5\u53d7DHCP\u53d1\u73b0\u62a5\u6587\u5e76\u505a\u51fa\u76f8\u5e94\uff0c\u6839\u636eDHCP\u5ba2\u6237\u7aef\u7684MAC\u5730\u5740\u83b7\u53d6\u914d\u7f6e\u4fe1\u606f\uff0c\u6700\u7ec8\u53d1\u9001<strong>DHCP\u63d0\u4f9b\u62a5\u6587<\/strong>\uff0c\u8be5\u62a5\u6587\u7684\u6e90IP\u5730\u5740\u4e3aDHCP\u670d\u52a1\u5668\u7684IP\u5730\u5740\uff0c\u76ee\u7684\u5730\u5740\u4e3a\u5e7f\u64ad\u5730\u5740\uff0c\u56e0\u4e3a\u4e3b\u673a\u76ee\u524d\u8fd8\u672a\u914d\u7f6eIP\u5730\u5740\uff0c\u4e3a\u4e86\u4e3b\u673a\u53ef\u4ee5\u6536\u5230\uff0c\u53ea\u80fd\u53d1\u9001\u5e7f\u64ad\u5730\u5740\u3002<\/li>\n<li>DHCP\u5ba2\u6237\u89e3\u6790DHCP\u63d0\u4f9b\u62a5\u6587\uff0c\u5982\u679cDHCP\u63d0\u4f9b\u62a5\u6587\u4e2d\u7684\u4e8b\u52a1ID\u4e0e\u81ea\u5df1\u4e4b\u524d\u53d1\u9001\u7684DHCP\u53d1\u73b0\u62a5\u6587\u4e2d\u7684\u4e8b\u52a1ID\u76f8\u540c\uff0c\u5219\u63a5\u53d7\u8be5\u62a5\u6587\u3002DHCP\u63d0\u4f9b\u62a5\u6587\u4e2d\u8fd8\u5305\u542b\u914d\u7f6e\u4fe1\u606f\uff08IP\u5730\u5740\u3001\u5b50\u7f51\u63a9\u7801\u3001\u5730\u5740\u79df\u671f\u3001\u9ed8\u8ba4\u7f51\u5173\u3001DNS\u670d\u52a1\u5668\uff0c\u5176\u4e2dIP\u5730\u5740\u4f1a\u4f7f\u7528ARP\u786e\u4fdd\u6240\u9009\u7684IP\u5730\u5740\u672a\u88ab\u5360\u7528\uff09\u3002<\/li>\n<li>\u5728\u56fe\u4e2dDHCP\u5ba2\u6237\u4f1a\u6536\u5230\u4e24\u4e2aDHCP\u670d\u52a1\u5668\u53d1\u6765\u7684\u62a5\u6587\uff0c\u4e00\u822c\u9009\u62e9\u5148\u5230\u8fbe\u7684\u62a5\u6587\u6240\u5bf9\u5e94\u7684\u670d\u52a1\u5668\uff0c\u7136\u540e\u5411\u6240\u9009\u62e9\u7684DHCP\u670d\u52a1\u5668\u53d1\u9001<strong>DHCP\u8bf7\u6c42\u62a5\u6587<\/strong>\uff0c\u6e90\u5730\u5740\u4e3a0.0.0.0\uff0c\u76ee\u7684\u5730\u5740\u4e3a\u5e7f\u64ad\u5730\u5740\uff0c\u62a5\u6587\u4e2d\u5c01\u88c5\u4e86\u4e8b\u52a1ID\u3001DHCP\u5ba2\u6237\u7aef\u7684MAC\u5730\u5740\u3001\u63a5\u53d7\u7684\u79df\u7ea6\u4e2d\u7684IP\u5730\u5740\u3001\u63d0\u4f9b\u6b64\u79df\u7ea6\u7684DHCP\u670d\u52a1\u5668\u7aef\u7684IP\u5730\u5740\u7b49\u4fe1\u606f\u3002<\/li>\n<li>\u5047\u8bbeDHCP\u5ba2\u6237\u9009\u62e9DHCP\u670d\u52a1\u56681\u53d1\u9001\u8bf7\u6c42\uff0c\u5e76\u4e14\u8be5\u670d\u52a1\u5668\u63a5\u53d7\u4e86\u8be5\u8bf7\u6c42\uff0c\u4e8e\u662fDHCP\u670d\u52a1\u56681\u53d1\u9001<strong>DHCP\u786e\u8ba4\u62a5\u6587<\/strong>\uff0c\u62a5\u6587\u7684\u6e90IP\u5730\u5740\u4e3aDHCP\u670d\u52a1\u56681\u7684IP\uff0c\u76ee\u7684\u5730\u5740\u4e3a\u5e7f\u64ad\u5730\u5740\u3002<\/li>\n<li>\u6b64\u65f6\u4e3b\u673a\u4f1a\u4f7f\u7528ARP\u68c0\u6d4b\u6240\u5206\u914d\u7684IP\u662f\u5426\u5df2\u7ecf\u88ab\u5360\u7528\uff0c\u5982\u679c\u88ab\u5360\u7528\u5219\u4f1a\u7ed9DHCP\u670d\u52a1\u5668\u53d1\u9001<strong>DHCP\u8c22\u7edd\u62a5\u6587<\/strong>\uff0c\u5e76\u91cd\u65b0\u5e7f\u64adDHCP\u53d1\u73b0\u62a5\u6587\uff0c\u5426\u5219\u5c31\u53ef\u4ee5\u4f7f\u7528\u8be5IP\u8fdb\u884c\u901a\u4fe1\u4e86\u3002<\/li>\n<li>\u5f53\u79df\u7528\u671f\u8fc7\u4e86\u4e00\u534a\u65f6\uff0cDHCP\u5ba2\u6237\u4f1a\u5411DHCP\u670d\u52a1\u5668\u53d1\u9001DHCP\u8bf7\u6c42\u62a5\u6587\u6765\u8bf7\u6c42\u66f4\u65b0\u79df\u671f\uff0c\u8be5\u62a5\u6587\u7684\u6e90IP\u5730\u5740\u4e3a\u79df\u7528\u5230\u7684\u5730\u5740\uff0c\u76ee\u7684\u5730\u5740\u4e3aDHCP\u670d\u52a1\u56681\u7684\u5730\u5740\u3002<\/li>\n<li>\u6b64\u65f6\u6709\u4e09\u79cd\u60c5\u51b5\uff1a<\/li>\n<\/ul>\n<ul>\n<ul>\n<li>\u5982\u679cDHCP\u670d\u52a1\u5668\u540c\u610f\u5219\u53d1\u56deDHCP\u786e\u8ba4\u62a5\u6587\uff0cDHCP\u5ba2\u6237\u5f97\u5230\u4e86\u65b0\u7684\u79df\u7528\u671f\u3002<\/li>\n<li>\u5982\u679cDHCP\u670d\u52a1\u5668\u62d2\u7edd\uff0c\u5219\u53d1\u9001<strong>DHCP\u5426\u8ba4\u62a5\u6587<\/strong>\uff0cDHCP\u5ba2\u6237\u5fc5\u987b\u7acb\u5373\u505c\u6b62\u4f7f\u7528\u4e4b\u524d\u79df\u7528\u5230\u7684IP\uff0c\u5e76\u91cd\u65b0\u53d1\u9001DHCP\u53d1\u73b0\u62a5\u6587\u6765\u91cd\u65b0\u7533\u8bf7IP\u5730\u5740\u3002<\/li>\n<li>\u82e5DHCP\u670d\u52a1\u5668\u6ca1\u6709\u505a\u51fa\u54cd\u5e94\uff0c\u5219\u5728\u8fc7\u4e860.875\u500d\u7684\u79df\u7528\u671f\u540eDHCP\u5ba2\u6237\u91cd\u65b0\u53d1\u9001DHCP\u8bf7\u6c42\u62a5\u6587\uff0c\u7ee7\u7eed\u7b49\u5f85DHCP\u670d\u52a1\u5668\u505a\u51fa\u53cd\u5e94\uff0c\u5982\u679c\u5728\u79df\u7528\u671f\u5230\u4e4b\u524d\u8fd8\u672a\u53cd\u5e94\uff0c\u5219DHCP\u5ba2\u6237\u505c\u6b62\u4f7f\u7528\u79df\u7528\u7684IP\u5730\u5740\uff0c\u5e76\u91cd\u65b0\u53d1\u9001DHCP\u8bf7\u6c42\u62a5\u6587\u3002<\/li>\n<\/ul>\n<\/ul>\n<ul>\n<li>DHCP\u670d\u52a1\u5668\u4e5f\u53ef\u4ee5\u63d0\u524d\u7ec8\u6b62\u63d0\u4f9b\u7ed9DHCP\u5ba2\u6237\u7684\u79df\u7528\u671f\uff0c\u53ea\u8981\u53d1\u9001<strong>DHCP\u91ca\u653e\u62a5\u6587<\/strong>\u5373\u53ef\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432080.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='232-dhcp\u4e2d\u7ee7\u4ee3\u7406'>2.3.2 DHCP\u4e2d\u7ee7\u4ee3\u7406<\/h3>\n<p>\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u53f3\u8fb9\u6a59\u8272\u7684\u4e3b\u673a\u662f\u65e0\u6cd5\u81ea\u52a8\u83b7\u53d6\u5230IP\u5730\u5740\u7684\uff0c\u56e0\u4e3a\u5f53\u4e3b\u673a\u53d1\u9001DHCP\u8bf7\u6c42\u62a5\u6587\u65f6\uff0c\u4e2d\u95f4\u7684\u8def\u7531\u5668\u662f\u4e0d\u4f1a\u8f6c\u53d1\u8be5\u62a5\u6587\u7684\uff0c\u800c\u662f\u76f4\u63a5\u4e22\u5f03\u3002\u89e3\u51b3\u529e\u6cd5\u662f\u5728\u8def\u7531\u5668\u4e2d\u914d\u7f6eDHCP\u670d\u52a1\u5668\u7684IP\u5730\u5740\u4f7f\u5f97\u8be5\u8def\u7531\u5668\u6210\u4e3aDHCP\u7684\u4e2d\u7ee7\u4ee3\u7406\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432206.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h2 id='24-\u57df\u540d\u7cfb\u7edfdnsdomain-name-system\uff09'>2.4 \u57df\u540d\u7cfb\u7edfDNS\uff08Domain Name System\uff09<\/h2>\n<h3 id='241-\u57df\u540d\u7cfb\u7edfdns\u7684\u4f5c\u7528'>2.4.1 \u57df\u540d\u7cfb\u7edfDNS\u7684\u4f5c\u7528<\/h3>\n<p>\u5f53\u7528\u6237\u5728web\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165\u57df\u540d\u65f6\uff0c\u9996\u5148\u4e3b\u673a\u4f1a\u5728\u81ea\u5df1\u7684DNS\u7f13\u5b58\u4e2d\u67e5\u627e\u8be5\u57df\u540d\u5bf9\u5e94\u7684IP\u5730\u5740\uff0c\u5982\u679c\u627e\u4e0d\u5230\u5219\u53bbDNS\u670d\u52a1\u5668\u67e5\u627e\uff0cDNS\u670d\u52a1\u5668\u4e2d\u5b58\u50a8\u4e86\u57df\u540d\u548cIP\u5730\u5740\u7684\u6570\u636e\u5e93\uff0c\u4e4b\u540e\u5c06\u67e5\u8be2\u7ed3\u679c\u8fd4\u56de\u7ed9\u4e3b\u673a\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432393.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='242-\u5c42\u6b21\u6811\u72b6\u7ed3\u6784\u7684\u57df\u540d\u7cfb\u7edf'>2.4.2 \u5c42\u6b21\u6811\u72b6\u7ed3\u6784\u7684\u57df\u540d\u7cfb\u7edf<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432637.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432523.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432547.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='243-\u57df\u540d\u670d\u52a1\u5668'>2.4.3 \u57df\u540d\u670d\u52a1\u5668<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432655.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='244-\u57df\u540d\u89e3\u6790\u7684\u8fc7\u7a0b'>2.4.4 \u57df\u540d\u89e3\u6790\u7684\u8fc7\u7a0b<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432689.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='245-\u9ad8\u901f\u7f13\u5b58'>2.4.5 \u9ad8\u901f\u7f13\u5b58<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432138.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h2 id='25-\u6587\u4ef6\u4f20\u9001\u534f\u8baeftp'>2.5 \u6587\u4ef6\u4f20\u9001\u534f\u8baeFTP<\/h2>\n<h3 id='251-\u6982\u8ff0'>2.5.1 \u6982\u8ff0<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432714.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432731.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='252-\u5de5\u4f5c\u539f\u7406'>2.5.2 \u5de5\u4f5c\u539f\u7406<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432192.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432071.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432666.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432131.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h2 id='26-\u7535\u5b50\u90ae\u4ef6'>2.6 \u7535\u5b50\u90ae\u4ef6<\/h2>\n<h3 id='261-\u6982\u8ff0'>2.6.1 \u6982\u8ff0<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432416.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432607.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432468.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='262-smtp\u5de5\u4f5c\u539f\u7406'>2.6.2 SMTP\u5de5\u4f5c\u539f\u7406<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432777.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='263-\u7535\u5b50\u90ae\u4ef6\u683c\u5f0f'>2.6.3 \u7535\u5b50\u90ae\u4ef6\u683c\u5f0f<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432868.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432969.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='264-\u90ae\u4ef6\u8bfb\u53d6\u534f\u8bae'>2.6.4 \u90ae\u4ef6\u8bfb\u53d6\u534f\u8bae<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432215.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432504.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h2 id='27-\u4e07\u7ef4\u7f51www'>2.7 \u4e07\u7ef4\u7f51WWW<\/h2>\n<h3 id='271-\u6982\u8ff0'>2.7.1 \u6982\u8ff0<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432635.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432583.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432715.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432187.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432295.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='272-\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8baehttp'>2.7.2 \u8d85\u6587\u672c\u4f20\u8f93\u534f\u8baeHTTP<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432324.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432623.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432505.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432657.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432878.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432727.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='273-cookie'>2.7.3 Cookie<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432107.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432514.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h3 id='274-\u4e07\u7ef4\u7f51\u7f13\u5b58\u4e0e\u4ee3\u7406\u670d\u52a1\u5668'>2.7.4 \u4e07\u7ef4\u7f51\u7f13\u5b58\u4e0e\u4ee3\u7406\u670d\u52a1\u5668<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432635.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<h2 id='28-socket\u7f16\u7a0b'>2.8 Socket\u7f16\u7a0b<\/h2>\n<h3 id='281-tcp\u5957\u63a5\u5b57\u7f16\u7a0b'>2.8.1 TCP\u5957\u63a5\u5b57\u7f16\u7a0b<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432618.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432154.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><strong>socketaddr_in<\/strong><\/p>\n<p>IP\u5730\u5740\u548cport\u6346\u7ed1\u5173\u7cfb\u7684\u6570\u636e\u7ed3\u6784\uff08\u6307\u793a\u8fdb\u7a0b\u7684\u7aef\u8282\u70b9\uff09<\/p>\n<pre><code class='language-c' lang='c'>struct sockaddr_in {\n    short sin_family; \/\/ AF_INET \u5730\u5740\u7c07\n    u_short sin_port; \/\/ port\n    struct in_addr sin_addr ; \/\/ IP address, unsigned long\n    char sin_zero[8]; \/\/ align  \u5bf9\u9f50\n};\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p><strong>hostent<\/strong><\/p>\n<p>\u57df\u540d\u548cIP\u5730\u5740\u7684\u6570\u636e\u7ed3\u6784<\/p>\n<pre><code class='language-c' lang='c'>struct hostent{ \n    char *h_name; \t\t\/\/ \u4e3b\u673a\u57df\u540d\n    char **h_aliases; \t\/\/ \u522b\u540d\n    int h_addrtype; \n    int h_length; \t\t\/\/ \u5730\u5740\u957f\u5ea6\n    char **h_addr_list; \n    #define h_addr h_addr_list[0];\n};\n<\/code><\/pre>\n<h3 id='282-udp\u5957\u63a5\u5b57\u7f16\u7a0b'>2.8.2 UDP\u5957\u63a5\u5b57\u7f16\u7a0b<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432962.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/202309041432163.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2.1 \u5e94\u7528\u5c42\u6982\u8ff0 2.2 \u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0f\u548c\u5bf9\u7b49\u65b9\u5f0f 2.2.1 \u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0f\uff08c\/s\u65b9\u5f0f\uff09 2.2.2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[153,151,152,150],"class_list":["post-440","post","type-post","status-publish","format-standard","hentry","category-15","tag-cookie","tag-smtp","tag-socket","tag-150"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7b2c2\u7ae0-\u5e94\u7528\u5c42 - #\u762b\u7537\u65e5\u8bb0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.taiyang.space\/?p=440\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7b2c2\u7ae0-\u5e94\u7528\u5c42 - #\u762b\u7537\u65e5\u8bb0\" \/>\n<meta property=\"og:description\" content=\"2.1 \u5e94\u7528\u5c42\u6982\u8ff0 2.2 \u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0f\u548c\u5bf9\u7b49\u65b9\u5f0f 2.2.1 \u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0f\uff08c\/s\u65b9\u5f0f\uff09 2.2.2 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.taiyang.space\/?p=440\" \/>\n<meta property=\"og:site_name\" content=\"#\u762b\u7537\u65e5\u8bb0\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-04T06:35:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-04T06:35:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/picture.chentaiyang.space\/202309041432197.png\" \/>\n<meta name=\"author\" content=\"taiyang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"taiyang\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.taiyang.space\/?p=440#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.taiyang.space\/?p=440\"},\"author\":{\"name\":\"taiyang\",\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c\"},\"headline\":\"\u7b2c2\u7ae0-\u5e94\u7528\u5c42\",\"datePublished\":\"2023-09-04T06:35:27+00:00\",\"dateModified\":\"2023-09-04T06:35:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.taiyang.space\/?p=440\"},\"wordCount\":129,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c\"},\"keywords\":[\"Cookie\",\"SMTP\",\"Socket\u7f16\u7a0b\",\"\u5e94\u7528\u5c42\"],\"articleSection\":[\"\u8ba1\u7b97\u673a\u7f51\u7edc\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/blog.taiyang.space\/?p=440#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.taiyang.space\/?p=440\",\"url\":\"https:\/\/blog.taiyang.space\/?p=440\",\"name\":\"\u7b2c2\u7ae0-\u5e94\u7528\u5c42 - #\u762b\u7537\u65e5\u8bb0\",\"isPartOf\":{\"@id\":\"https:\/\/blog.taiyang.space\/#website\"},\"datePublished\":\"2023-09-04T06:35:27+00:00\",\"dateModified\":\"2023-09-04T06:35:28+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/blog.taiyang.space\/?p=440#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.taiyang.space\/?p=440\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.taiyang.space\/?p=440#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/blog.taiyang.space\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u7b2c2\u7ae0-\u5e94\u7528\u5c42\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.taiyang.space\/#website\",\"url\":\"https:\/\/blog.taiyang.space\/\",\"name\":\"#\u762b\u7537\u65e5\u8bb0\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.taiyang.space\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c\",\"name\":\"taiyang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/blog.taiyang.space\/wp-content\/uploads\/2022\/10\/touxiang.jpg\",\"contentUrl\":\"https:\/\/blog.taiyang.space\/wp-content\/uploads\/2022\/10\/touxiang.jpg\",\"width\":612,\"height\":640,\"caption\":\"taiyang\"},\"logo\":{\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/image\/\"},\"sameAs\":[\"https:\/\/blog.taiyang.space\"],\"url\":\"https:\/\/blog.taiyang.space\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u7b2c2\u7ae0-\u5e94\u7528\u5c42 - #\u762b\u7537\u65e5\u8bb0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.taiyang.space\/?p=440","og_locale":"zh_CN","og_type":"article","og_title":"\u7b2c2\u7ae0-\u5e94\u7528\u5c42 - #\u762b\u7537\u65e5\u8bb0","og_description":"2.1 \u5e94\u7528\u5c42\u6982\u8ff0 2.2 \u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0f\u548c\u5bf9\u7b49\u65b9\u5f0f 2.2.1 \u5ba2\u6237-\u670d\u52a1\u5668\u65b9\u5f0f\uff08c\/s\u65b9\u5f0f\uff09 2.2.2 [&hellip;]","og_url":"https:\/\/blog.taiyang.space\/?p=440","og_site_name":"#\u762b\u7537\u65e5\u8bb0","article_published_time":"2023-09-04T06:35:27+00:00","article_modified_time":"2023-09-04T06:35:28+00:00","og_image":[{"url":"https:\/\/picture.chentaiyang.space\/202309041432197.png"}],"author":"taiyang","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"taiyang","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/blog.taiyang.space\/?p=440#article","isPartOf":{"@id":"https:\/\/blog.taiyang.space\/?p=440"},"author":{"name":"taiyang","@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c"},"headline":"\u7b2c2\u7ae0-\u5e94\u7528\u5c42","datePublished":"2023-09-04T06:35:27+00:00","dateModified":"2023-09-04T06:35:28+00:00","mainEntityOfPage":{"@id":"https:\/\/blog.taiyang.space\/?p=440"},"wordCount":129,"commentCount":0,"publisher":{"@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c"},"keywords":["Cookie","SMTP","Socket\u7f16\u7a0b","\u5e94\u7528\u5c42"],"articleSection":["\u8ba1\u7b97\u673a\u7f51\u7edc"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/blog.taiyang.space\/?p=440#respond"]}]},{"@type":"WebPage","@id":"https:\/\/blog.taiyang.space\/?p=440","url":"https:\/\/blog.taiyang.space\/?p=440","name":"\u7b2c2\u7ae0-\u5e94\u7528\u5c42 - #\u762b\u7537\u65e5\u8bb0","isPartOf":{"@id":"https:\/\/blog.taiyang.space\/#website"},"datePublished":"2023-09-04T06:35:27+00:00","dateModified":"2023-09-04T06:35:28+00:00","breadcrumb":{"@id":"https:\/\/blog.taiyang.space\/?p=440#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.taiyang.space\/?p=440"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/blog.taiyang.space\/?p=440#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/blog.taiyang.space\/"},{"@type":"ListItem","position":2,"name":"\u7b2c2\u7ae0-\u5e94\u7528\u5c42"}]},{"@type":"WebSite","@id":"https:\/\/blog.taiyang.space\/#website","url":"https:\/\/blog.taiyang.space\/","name":"#\u762b\u7537\u65e5\u8bb0","description":"","publisher":{"@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.taiyang.space\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":["Person","Organization"],"@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c","name":"taiyang","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/image\/","url":"https:\/\/blog.taiyang.space\/wp-content\/uploads\/2022\/10\/touxiang.jpg","contentUrl":"https:\/\/blog.taiyang.space\/wp-content\/uploads\/2022\/10\/touxiang.jpg","width":612,"height":640,"caption":"taiyang"},"logo":{"@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/image\/"},"sameAs":["https:\/\/blog.taiyang.space"],"url":"https:\/\/blog.taiyang.space\/?author=1"}]}},"_links":{"self":[{"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/posts\/440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=440"}],"version-history":[{"count":1,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/posts\/440\/revisions"}],"predecessor-version":[{"id":441,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/posts\/440\/revisions\/441"}],"wp:attachment":[{"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}