{"id":59776,"date":"2023-10-30T09:38:30","date_gmt":"2023-10-30T01:38:30","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=59776"},"modified":"2023-10-30T09:38:32","modified_gmt":"2023-10-30T01:38:32","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8a%e7%9a%84%e7%bd%91%e7%bb%9c%e8%bf%9e%e6%8e%a5%e9%87%8d%e7%bd%ae%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/59776.html","title":{"rendered":"\u200b\u5982\u4f55\u89e3\u51b3Linux\u670d\u52a1\u5668\u4e0a\u7684\u7f51\u7edc\u8fde\u63a5\u91cd\u7f6e\u95ee\u9898"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>\u200b\u5728Linux\u670d\u52a1\u5668\u7684\u8fd0\u7ef4\u8fc7\u7a0b\u4e2d\uff0c\u7f51\u7edc\u8fde\u63a5\u91cd\u7f6e\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u95ee\u9898\u3002\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a1.\u8bca\u65ad\u95ee\u9898\u6765\u6e90\uff1b2.\u68c0\u67e5\u9632\u706b\u5899\u89c4\u5219\uff1b3.\u8003\u5bdf\u7f51\u7edc\u914d\u7f6e\uff1b4.\u9a8c\u8bc1\u8f6f\u786c\u4ef6\u8bbe\u7f6e\uff1b5.\u63a2\u7d22\u5916\u90e8\u56e0\u7d20\u3002\u9996\u5148\uff0c\u8981\u786e\u5b9a\u7f51\u7edc\u8fde\u63a5\u91cd\u7f6e\u7684\u539f\u56e0\uff0c\u53ea\u6709\u627e\u5230\u539f\u56e0\u624d\u80fd\u8fdb\u884c\u9488\u5bf9\u6027\u7684\u89e3\u51b3\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u8bca\u65ad\u95ee\u9898\u6765\u6e90 <\/h2>\n\n\n\n<p>\u5f53\u6211\u4eec\u9047\u5230\u7f51\u7edc\u8fde\u63a5\u91cd\u7f6e\u95ee\u9898\u65f6\uff0c\u9996\u5148\u8981\u786e\u5b9a\u662f\u8f6f\u4ef6\u5f15\u8d77\u7684\u8fd8\u662f\u786c\u4ef6\u5f15\u8d77\u7684\u3002\u4f7f\u7528<code>netstat<\/code>\u548c<code>dmesg<\/code>\u547d\u4ee4\u6765\u67e5\u770b\u662f\u5426\u6709\u4efb\u4f55\u5f02\u5e38\u7684\u7f51\u7edc\u4e8b\u4ef6\u6216\u786c\u4ef6\u9519\u8bef\u3002\u6b64\u5916\uff0c<code>ss<\/code>\u547d\u4ee4\u4e5f\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u663e\u793a\u670d\u52a1\u5668\u4e0a\u7684\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.\u68c0\u67e5\u9632\u706b\u5899\u89c4\u5219<\/h2>\n\n\n\n<p> \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u8fde\u63a5\u91cd\u7f6e\u53ef\u80fd\u662f\u7531\u4e8e\u9632\u706b\u5899\u89c4\u5219\u5bfc\u81f4\u7684\u3002\u4f7f\u7528<code>iptables -L<\/code>\u6216<code>firewalld<\/code>\u76f8\u5173\u547d\u4ee4\u6765\u68c0\u67e5\u670d\u52a1\u5668\u4e0a\u7684\u9632\u706b\u5899\u89c4\u5219\u3002\u786e\u4fdd\u6ca1\u6709\u4efb\u4f55\u89c4\u5219\u963b\u6b62\u6216\u91cd\u7f6e\u7279\u5b9a\u7684\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u8003\u5bdf\u7f51\u7edc\u914d\u7f6e <\/h2>\n\n\n\n<p>\u4e0d\u6b63\u786e\u7684\u7f51\u7edc\u914d\u7f6e\u4e5f\u53ef\u80fd\u5bfc\u81f4\u8fde\u63a5\u91cd\u7f6e\u3002\u786e\u4fdd<code>\/etc\/network\/interfaces<\/code>\u6216<code>\/etc\/sysconfig\/network-scripts\/<\/code>\u4e2d\u7684\u914d\u7f6e\u6587\u4ef6\u6b63\u786e\u8bbe\u7f6e\u3002\u540c\u65f6\uff0c\u68c0\u67e5<code>\/etc\/resolv.conf<\/code>\u786e\u4fddDNS\u670d\u52a1\u5668\u914d\u7f6e\u6b63\u786e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4.\u9a8c\u8bc1\u8f6f\u786c\u4ef6\u8bbe\u7f6e <\/h2>\n\n\n\n<p>\u786c\u4ef6\u6545\u969c\uff0c\u5982\u7f51\u5361\u3001\u7ebf\u7f06\u6216\u4ea4\u6362\u673a\u95ee\u9898\uff0c\u90fd\u53ef\u80fd\u5bfc\u81f4\u8fde\u63a5\u91cd\u7f6e\u3002\u9a8c\u8bc1\u786c\u4ef6\u662f\u5426\u5de5\u4f5c\u6b63\u5e38\uff0c\u5e76\u4f7f\u7528\u5982<code>ethtool<\/code>\u8fd9\u6837\u7684\u5de5\u5177\u6765\u68c0\u67e5\u7f51\u5361\u7684\u72b6\u6001\u3002\u540c\u65f6\uff0c\u68c0\u67e5\u670d\u52a1\u5668\u4e0a\u7684\u76f8\u5173\u8f6f\u4ef6\uff0c\u5982\u7f51\u7edc\u9a71\u52a8\u6216\u64cd\u4f5c\u7cfb\u7edf\u66f4\u65b0\uff0c\u786e\u4fdd\u5b83\u4eec\u662f\u6700\u65b0\u7684\uff0c\u5e76\u6ca1\u6709\u5df2\u77e5\u7684\u4e0e\u7f51\u7edc\u8fde\u63a5\u76f8\u5173\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5.\u63a2\u7d22\u5916\u90e8\u56e0\u7d20 <\/h2>\n\n\n\n<p>\u5916\u90e8\u56e0\u7d20\uff0c\u5982ISP\u6545\u969c\u3001\u8def\u7531\u5668\u914d\u7f6e\u6216\u5176\u4ed6\u7f51\u7edc\u4e2d\u65ad\uff0c\u4e5f\u53ef\u80fd\u5bfc\u81f4\u8fde\u63a5\u91cd\u7f6e\u3002\u4e0eISP\u8054\u7cfb\u5e76\u8be2\u95ee\u662f\u5426\u6709\u4efb\u4f55\u5df2\u77e5\u7684\u95ee\u9898\u6216\u7ef4\u62a4\u3002\u540c\u65f6\uff0c\u8003\u8651\u4f7f\u7528<code>traceroute<\/code>\u6216<code>mtr<\/code>\u547d\u4ee4\u6765\u8bca\u65ad\u7f51\u7edc\u8def\u5f84\u4e2d\u7684\u4efb\u4f55\u6f5c\u5728\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\uff0c\u7f51\u7edc\u8fde\u63a5\u91cd\u7f6e\u662fLinux\u670d\u52a1\u5668\u8fd0\u7ef4\u4e2d\u7684\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\uff0c\u4f46\u5b83\u53ef\u4ee5\u901a\u8fc7\u7cfb\u7edf\u7684\u68c0\u67e5\u548c\u8bca\u65ad\u5f97\u5230\u89e3\u51b3\u3002\u53ea\u8981\u9075\u5faa\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u6709\u6548\u5730\u8bc6\u522b\u95ee\u9898\u7684\u6839\u6e90\u5e76\u8fdb\u884c\u4fee\u590d\u3002\u670d\u52a1\u5668\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u56e0\u6b64\uff0c\u6211\u4eec\u5fc5\u987b\u786e\u4fdd\u6211\u4eec\u7684\u7f51\u7edc\u8fde\u63a5\u59cb\u7ec8\u5904\u4e8e\u6700\u4f73\u72b6\u6001\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"484\" height=\"300\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/10\/\u5982\u4f55\u5728\u9e92\u9e9f\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u5b89\u88c5\u548c\u7ba1\u7406\u5b57\u4f53-2023-10-30T093642.572.png?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"\" class=\"wp-image-59777\" \/><\/figure><\/div>\n\n\n<p><strong>\u5e38\u89c1\u95ee\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>Q1:<\/strong> \u6211\u5df2\u7ecf\u68c0\u67e5\u4e86\u9632\u706b\u5899\u548c\u7f51\u7edc\u914d\u7f6e\uff0c\u4f46\u7f51\u7edc\u8fde\u63a5\u4ecd\u7136\u9891\u7e41\u91cd\u7f6e\u3002\u6211\u8fd8\u5e94\u8be5\u67e5\u770b\u4ec0\u4e48\uff1f <\/li>\n\n\n\n<li><strong>A1:<\/strong> \u5982\u679c\u9632\u706b\u5899\u548c\u7f51\u7edc\u914d\u7f6e\u90fd\u6b63\u786e\uff0c\u5efa\u8bae\u68c0\u67e5\u786c\u4ef6\uff0c\u5982\u7f51\u5361\u3001\u7ebf\u7f06\u6216\u4ea4\u6362\u673a\uff0c\u4ee5\u786e\u5b9a\u5b83\u4eec\u662f\u5426\u5de5\u4f5c\u6b63\u5e38\u3002\u540c\u65f6\uff0c\u786e\u8ba4\u60a8\u7684\u7f51\u7edc\u9a71\u52a8\u6216\u64cd\u4f5c\u7cfb\u7edf\u662f\u5426\u6709\u6700\u8fd1\u7684\u66f4\u65b0\uff0c\u53ef\u80fd\u6709\u4e0e\u7f51\u7edc\u8fde\u63a5\u6709\u5173\u7684\u5df2\u77e5\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Q2:<\/strong> \u4f7f\u7528<code>netstat<\/code>\u6216<code>ss<\/code>\u547d\u4ee4\u65f6\uff0c\u6211\u5e94\u8be5\u5bfb\u627e\u4ec0\u4e48\u6765\u8bca\u65ad\u7f51\u7edc\u8fde\u63a5\u91cd\u7f6e\u7684\u95ee\u9898\uff1f <\/li>\n\n\n\n<li><strong>A2:<\/strong> \u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u65f6\uff0c\u67e5\u770b<code>ESTABLISHED<\/code>\u548c<code>CLOSE_W<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>T<\/code>\u72b6\u6001\u7684\u8fde\u63a5\u3002\u4e00\u4e2a\u5927\u91cf\u7684<code>CLOSE_WAIT<\/code>\u72b6\u6001\u53ef\u80fd\u610f\u5473\u7740\u67d0\u4e9b\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u6b63\u786e\u5730\u5173\u95ed\u5176\u8fde\u63a5\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u8fde\u63a5\u91cd\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Q3:<\/strong> \u6211\u7684ISP\u8868\u793a\u4ed6\u4eec\u7684\u7f51\u7edc\u8fd0\u884c\u6b63\u5e38\uff0c\u4f46\u6211\u4ecd\u7136\u9047\u5230\u95ee\u9898\u3002\u600e\u4e48\u529e\uff1f <\/li>\n\n\n\n<li><strong>A3:<\/strong> \u5373\u4f7fISP\u8868\u793a\u6ca1\u6709\u95ee\u9898\uff0c\u60a8\u4ecd\u7136\u5e94\u8be5\u4f7f\u7528<code>traceroute<\/code>\u6216<code>mtr<\/code>\u5de5\u5177\u6765\u8bca\u65ad\u53ef\u80fd\u7684\u7f51\u7edc\u8def\u5f84\u95ee\u9898\u3002\u8fd9\u53ef\u80fd\u4f1a\u63ed\u793a\u8def\u7531\u5668\u3001\u4ea4\u6362\u673a\u6216\u5176\u4ed6\u7f51\u7edc\u8bbe\u5907\u4e0a\u7684\u6f5c\u5728\u6545\u969c\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"\u200b\u5728Linux\u670d\u52a1\u5668\u7684\u8fd0\u7ef4\u8fc7\u7a0b\u4e2d\uff0c\u7f51\u7edc\u8fde\u63a5\u91cd\u7f6e\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u95ee\u9898\u3002\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a1.\u8bca\u65ad\u95ee [&hellip;]","protected":false},"author":7,"featured_media":59777,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/59776"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=59776"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/59776\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/59777"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=59776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=59776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=59776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}