{"id":198457,"date":"2024-11-14T18:34:28","date_gmt":"2024-11-14T10:34:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/198457\/"},"modified":"2024-11-14T18:34:29","modified_gmt":"2024-11-14T10:34:29","slug":"%e3%80%8clinux%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e7%ab%af%e5%8f%a3%e8%99%9f%ef%bc%9f%e5%ae%8c%e6%95%b4%e6%93%8d%e4%bd%9c%e5%91%bd%e4%bb%a4%e8%a7%a3%e6%9e%90%e3%80%8d-linux%e6%9f%a5%e7%9c%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/198457\/","title":{"rendered":"\u300cLinux\u5982\u4f55\u67e5\u770b\u7aef\u53e3\u865f\uff1f\u5b8c\u6574\u64cd\u4f5c\u547d\u4ee4\u89e3\u6790\u300d (linux\u67e5\u770b\u7aef\u53e3\u865f\u547d\u4ee4)"},"content":{"rendered":"<h1 id=\"linux%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e7%ab%af%e5%8f%a3%e8%99%9f%ef%bc%9f%e5%ae%8c%e6%95%b4%e6%93%8d%e4%bd%9c%e5%91%bd%e4%bb%a4%e8%a7%a3%e6%9e%90-gTnlYMhPrK\">Linux\u5982\u4f55\u67e5\u770b\u7aef\u53e3\u865f\uff1f\u5b8c\u6574\u64cd\u4f5c\u547d\u4ee4\u89e3\u6790<\/h1>\n<p>\u5728Linux\u7cfb\u7d71\u4e2d\uff0c\u67e5\u770b\u7aef\u53e3\u865f\u662f\u7cfb\u7d71\u7ba1\u7406\u548c\u7db2\u7d61\u6545\u969c\u6392\u9664\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u7121\u8ad6\u662f\u6aa2\u67e5\u670d\u52d9\u662f\u5426\u6b63\u5e38\u904b\u884c\uff0c\u9084\u662f\u78ba\u4fdd\u9632\u706b\u7246\u8a2d\u7f6e\u6b63\u78ba\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u7aef\u53e3\u865f\u90fd\u80fd\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5176\u4f3a\u670d\u5668\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5e38\u7528\u7684\u547d\u4ee4\u4f86\u67e5\u770bLinux\u7cfb\u7d71\u4e2d\u7684\u7aef\u53e3\u865f\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8netstat%e5%91%bd%e4%bb%a4-gTnlYMhPrK\">1. \u4f7f\u7528netstat\u547d\u4ee4<\/h2>\n<p>netstat\u662f\u4e00\u500b\u975e\u5e38\u5e38\u7528\u7684\u7db2\u7d61\u5de5\u5177\uff0c\u53ef\u4ee5\u986f\u793a\u7db2\u7d61\u9023\u63a5\u3001\u8def\u7531\u8868\u548c\u7db2\u7d61\u63a5\u53e3\u7d71\u8a08\u4fe1\u606f\u3002\u8981\u67e5\u770b\u7576\u524d\u7cfb\u7d71\u4e0a\u958b\u653e\u7684\u7aef\u53e3\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>netstat -tuln<\/code><\/pre>\n<ul>\n<li><strong>-t<\/strong>\uff1a\u986f\u793aTCP\u7aef\u53e3\u3002<\/li>\n<li><strong>-u<\/strong>\uff1a\u986f\u793aUDP\u7aef\u53e3\u3002<\/li>\n<li><strong>-l<\/strong>\uff1a\u50c5\u986f\u793a\u6b63\u5728\u76e3\u807d\u7684\u7aef\u53e3\u3002<\/li>\n<li><strong>-n<\/strong>\uff1a\u4ee5\u6578\u5b57\u5f62\u5f0f\u986f\u793a\u5730\u5740\u548c\u7aef\u53e3\u865f\uff0c\u800c\u4e0d\u662f\u89e3\u6790\u70ba\u4e3b\u6a5f\u540d\u3002<\/li>\n<\/ul>\n<p>\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u5f8c\uff0c\u60a8\u5c07\u770b\u5230\u985e\u4f3c\u4ee5\u4e0b\u7684\u8f38\u51fa\uff1a<\/p>\n<pre><code>Proto Recv-Q Send-Q Local Address           Foreign Address         State\ntcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN\nudp        0      0 0.0.0.0:53              0.0.0.0:*                           \n<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8ss%e5%91%bd%e4%bb%a4-gTnlYMhPrK\">2. \u4f7f\u7528ss\u547d\u4ee4<\/h2>\n<p>ss\u547d\u4ee4\u662f\u53e6\u4e00\u500b\u7528\u65bc\u67e5\u770b\u7db2\u7d61\u9023\u63a5\u7684\u5de5\u5177\uff0c\u901a\u5e38\u88ab\u8a8d\u70ba\u6bd4netstat\u66f4\u5feb\u4e14\u66f4\u6709\u6548\u3002\u8981\u67e5\u770b\u958b\u653e\u7684\u7aef\u53e3\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ss -tuln<\/code><\/pre>\n<p>\u9019\u88e1\u7684\u9078\u9805\u8207netstat\u985e\u4f3c\uff0c-t\u8868\u793aTCP\uff0c-u\u8868\u793aUDP\uff0c-l\u8868\u793a\u76e3\u807d\uff0c-n\u8868\u793a\u6578\u5b57\u683c\u5f0f\u3002\u57f7\u884c\u5f8c\uff0c\u60a8\u5c07\u7372\u5f97\u985e\u4f3c\u7684\u8f38\u51fa\uff0c\u986f\u793a\u7576\u524d\u958b\u653e\u7684\u7aef\u53e3\u3002<\/p>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8lsof%e5%91%bd%e4%bb%a4-gTnlYMhPrK\">3. \u4f7f\u7528lsof\u547d\u4ee4<\/h2>\n<p>lsof\uff08List Open Files\uff09\u662f\u4e00\u500b\u5217\u51fa\u7576\u524d\u7cfb\u7d71\u4e2d\u6253\u958b\u6587\u4ef6\u7684\u5de5\u5177\uff0c\u56e0\u70ba\u5728Linux\u4e2d\uff0c\u7aef\u53e3\u4e5f\u88ab\u8996\u70ba\u6587\u4ef6\u3002\u8981\u67e5\u770b\u7279\u5b9a\u7aef\u53e3\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>lsof -i :<\/code><\/pre>\n<p>\u5c07\u66ff\u63db\u70ba\u60a8\u8981\u67e5\u8a62\u7684\u7aef\u53e3\u865f\u3002\u4f8b\u5982\uff0c\u8981\u67e5\u770b80\u7aef\u53e3\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u57f7\u884c\uff1a<\/p>\n<pre><code>lsof -i :80<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u4f7f\u7528\u8a72\u7aef\u53e3\u7684\u6240\u6709\u9032\u7a0b\u53ca\u5176\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8nmap%e5%91%bd%e4%bb%a4-gTnlYMhPrK\">4. \u4f7f\u7528nmap\u547d\u4ee4<\/h2>\n<p>nmap\u662f\u4e00\u500b\u5f37\u5927\u7684\u7db2\u7d61\u6383\u63cf\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4f86\u6383\u63cf\u958b\u653e\u7684\u7aef\u53e3\u3002\u8981\u4f7f\u7528nmap\u6383\u63cf\u672c\u5730\u6a5f\u5668\u7684\u958b\u653e\u7aef\u53e3\uff0c\u53ef\u4ee5\u57f7\u884c\uff1a<\/p>\n<pre><code>nmap -sT localhost<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u672c\u5730\u6a5f\u5668\u4e0a\u6240\u6709\u958b\u653e\u7684TCP\u7aef\u53e3\u53ca\u5176\u72c0\u614b\u3002<\/p>\n<h2 id=\"5-%e4%bd%bf%e7%94%a8firewall-cmd%e5%91%bd%e4%bb%a4%ef%bc%88%e9%87%9d%e5%b0%8d%e4%bd%bf%e7%94%a8firewalld%e7%9a%84%e7%b3%bb%e7%b5%b1%ef%bc%89-gTnlYMhPrK\">5. \u4f7f\u7528firewall-cmd\u547d\u4ee4\uff08\u91dd\u5c0d\u4f7f\u7528firewalld\u7684\u7cfb\u7d71\uff09<\/h2>\n<p>\u5982\u679c\u60a8\u7684\u7cfb\u7d71\u4f7f\u7528firewalld\u4f5c\u70ba\u9632\u706b\u7246\u7ba1\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u958b\u653e\u7684\u7aef\u53e3\uff1a<\/p>\n<pre><code>firewall-cmd --list-ports<\/code><\/pre>\n<p>\u9019\u5c07\u5217\u51fa\u6240\u6709\u7576\u524d\u958b\u653e\u7684\u7aef\u53e3\uff0c\u65b9\u4fbf\u7528\u6236\u6aa2\u67e5\u9632\u706b\u7246\u8a2d\u7f6e\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gTnlYMhPrK\">\u7e3d\u7d50<\/h2>\n<p>\u5728Linux\u7cfb\u7d71\u4e2d\uff0c\u67e5\u770b\u7aef\u53e3\u865f\u662f\u7cfb\u7d71\u7ba1\u7406\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u901a\u904e\u4f7f\u7528netstat\u3001ss\u3001lsof\u3001nmap\u548cfirewall-cmd\u7b49\u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u5730\u7372\u53d6\u6709\u95dc\u958b\u653e\u7aef\u53e3\u7684\u4fe1\u606f\uff0c\u5f9e\u800c\u9032\u884c\u6709\u6548\u7684\u6545\u969c\u6392\u9664\u548c\u7cfb\u7d71\u7ba1\u7406\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u4f3a\u670d\u5668\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u8b93\u60a8\u7684\u696d\u52d9\u904b\u884c\u66f4\u52a0\u9806\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Linux\u4e2d\u67e5\u770b\u7aef\u53e3\u53f7\uff0c\u638c\u63e1\u5b8c\u6574\u64cd\u4f5c\u547d\u4ee4\u89e3\u6790\uff0c\u8f7b\u677e\u7ba1\u7406\u7f51\u7edc\u8fde\u63a5\u4e0e\u670d\u52a1\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-198457","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=198457"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198457\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=198457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=198457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=198457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}