{"id":45774,"date":"2024-10-07T01:47:13","date_gmt":"2024-10-06T17:47:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45774\/"},"modified":"2024-11-14T10:35:46","modified_gmt":"2024-11-14T02:35:46","slug":"linux-%e4%b8%8b%e5%ae%89%e8%a3%9d%e4%b8%a6%e4%bd%bf%e7%94%a8-netstat-%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45774\/","title":{"rendered":"Linux \u4e0b\u5b89\u88dd\u4e26\u4f7f\u7528 netstat \u547d\u4ee4"},"content":{"rendered":"

Linux \u4e0b\u5b89\u88dd\u4e26\u4f7f\u7528 netstat \u547d\u4ee4<\/h1>\n

\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u7db2\u7d61\u7ba1\u7406\u662f\u4e00\u9805\u91cd\u8981\u7684\u4efb\u52d9\uff0c\u800c netstat<\/code> \u547d\u4ee4\u5247\u662f\u7528\u4f86\u76e3\u63a7\u7db2\u7d61\u9023\u63a5\u548c\u7db2\u7d61\u7d71\u8a08\u7684\u5f37\u5927\u5de5\u5177\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 Linux \u7cfb\u7d71\u4e2d\u5b89\u88dd\u4e26\u4f7f\u7528 netstat<\/code> \u547d\u4ee4\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u548c\u7ba1\u7406\u5176\u7db2\u7d61\u74b0\u5883\u3002<\/p>\n

\u4ec0\u9ebc\u662f netstat \u547d\u4ee4\uff1f<\/h2>\n

netstat<\/code>\uff08network statistics \u7684\u7e2e\u5beb\uff09\u662f\u4e00\u500b\u7528\u65bc\u986f\u793a\u7db2\u7d61\u9023\u63a5\u3001\u8def\u7531\u8868\u3001\u63a5\u53e3\u7d71\u8a08\u3001\u4f3a\u670d\u5668\u72c0\u614b\u7b49\u4fe1\u606f\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u5e6b\u52a9\u7cfb\u7d71\u7ba1\u7406\u54e1\u6aa2\u67e5\u7db2\u7d61\u9023\u63a5\u7684\u72c0\u614b\uff0c\u8a3a\u65b7\u7db2\u7d61\u554f\u984c\uff0c\u4e26\u76e3\u63a7\u7cfb\u7d71\u7684\u7db2\u7d61\u6027\u80fd\u3002<\/p>\n

\u5728 Linux \u4e0a\u5b89\u88dd netstat<\/h2>\n

\u5728\u5927\u591a\u6578 Linux \u767c\u884c\u7248\u4e2d\uff0cnetstat<\/code> \u547d\u4ee4\u901a\u5e38\u5305\u542b\u5728 net-tools<\/code> \u5957\u4ef6\u4e2d\u3002\u4ee5\u4e0b\u662f\u5b89\u88dd net-tools<\/code> \u7684\u6b65\u9a5f\uff1a<\/p>\n

Ubuntu\/Debian \u7cfb\u7d71<\/h3>\n
sudo apt update\nsudo apt install net-tools<\/code><\/pre>\n
CentOS\/RHEL \u7cfb\u7d71<\/h3>\n
sudo yum install net-tools<\/code><\/pre>\n
\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u901a\u904e\u5728\u7d42\u7aef\u4e2d\u8f38\u5165 netstat<\/code> \u4f86\u6aa2\u67e5\u662f\u5426\u5b89\u88dd\u6210\u529f\u3002<\/p>\n
\u4f7f\u7528 netstat \u547d\u4ee4<\/h2>\n
\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0cnetstat<\/code> \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u986f\u793a\u591a\u7a2e\u7db2\u7d61\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9078\u9805\uff1a<\/p>\n
\u986f\u793a\u6240\u6709\u9023\u63a5<\/h3>\n
netstat -a<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u6240\u6709\u7684\u7db2\u7d61\u9023\u63a5\uff0c\u5305\u62ec TCP \u548c UDP \u9023\u63a5\u3002<\/p>\n
\u986f\u793a\u6b63\u5728\u76e3\u807d\u7684\u7aef\u53e3<\/h3>\n
netstat -l<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u5217\u51fa\u6240\u6709\u6b63\u5728\u76e3\u807d\u7684\u7aef\u53e3\uff0c\u5c0d\u65bc\u6aa2\u67e5\u4f3a\u670d\u5668\u7684\u670d\u52d9\u72c0\u614b\u975e\u5e38\u6709\u7528\u3002<\/p>\n
\u986f\u793a\u8def\u7531\u8868<\/h3>\n
netstat -r<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u7cfb\u7d71\u7684\u8def\u7531\u8868\uff0c\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u6578\u64da\u5305\u7684\u8def\u7531\u60c5\u6cc1\u3002<\/p>\n
\u986f\u793a\u7db2\u7d61\u63a5\u53e3\u7d71\u8a08<\/h3>\n
netstat -i<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u5404\u500b\u7db2\u7d61\u63a5\u53e3\u7684\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\u63a5\u6536\u548c\u767c\u9001\u7684\u6578\u64da\u5305\u6578\u91cf\u3002<\/p>\n
\u986f\u793a\u9023\u63a5\u7684\u9032\u7a0b<\/h3>\n
netstat -tulnp<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u6240\u6709\u7684 TCP \u548c UDP \u9023\u63a5\uff0c\u4e26\u986f\u793a\u8207\u9019\u4e9b\u9023\u63a5\u76f8\u95dc\u7684\u9032\u7a0b ID \u548c\u540d\u7a31\u3002<\/p>\n
\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n
\u5047\u8a2d\u4f60\u662f\u4e00\u540d\u7cfb\u7d71\u7ba1\u7406\u54e1\uff0c\u767c\u73fe\u4f3a\u670d\u5668\u7684\u7db2\u7d61\u901f\u5ea6\u8b8a\u6162\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 netstat -tulnp<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u54ea\u4e9b\u9032\u7a0b\u6b63\u5728\u4f7f\u7528\u7db2\u7d61\u8cc7\u6e90\uff0c\u5f9e\u800c\u627e\u51fa\u53ef\u80fd\u7684\u554f\u984c\u6240\u5728\u3002<\/p>\n
\u53e6\u5916\uff0c\u5982\u679c\u4f60\u60f3\u8981\u6aa2\u67e5\u4f3a\u670d\u5668\u4e0a\u662f\u5426\u6709\u4e0d\u660e\u7684\u9023\u63a5\uff0c\u53ef\u4ee5\u4f7f\u7528 netstat -a<\/code> \u547d\u4ee4\u4f86\u67e5\u770b\u6240\u6709\u7684\u9023\u63a5\uff0c\u4e26\u9032\u4e00\u6b65\u5206\u6790\u53ef\u7591\u7684\u6d3b\u52d5\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728 Linux \u7cfb\u7d71\u4e2d\uff0cnetstat<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u76e3\u63a7\u548c\u7ba1\u7406\u7db2\u7d61\u9023\u63a5\u3002\u901a\u904e\u5b89\u88dd\u548c\u4f7f\u7528 netstat<\/code>\uff0c\u7528\u6236\u53ef\u4ee5\u7372\u5f97\u6709\u95dc\u7db2\u7d61\u72c0\u614b\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5f9e\u800c\u66f4\u6709\u6548\u5730\u9032\u884c\u6545\u969c\u6392\u9664\u548c\u6027\u80fd\u512a\u5316\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u7db2\u7d61\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728 Linux \u7cfb\u7d71\u4e2d\u5b89\u88dd\u548c\u4f7f\u7528 netstat \u547d\u4ee4\uff0c\u76e3\u63a7\u7db2\u7d61\u9023\u63a5\u548c\u6027\u80fd\uff0c\u63d0\u5347\u7cfb\u7d71\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-45774","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45774","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=45774"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45774\/revisions"}],"predecessor-version":[{"id":45775,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45774\/revisions\/45775"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}