{"id":52931,"date":"2024-10-09T06:53:15","date_gmt":"2024-10-08T22:53:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/52931\/"},"modified":"2024-11-14T10:36:48","modified_gmt":"2024-11-14T02:36:48","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-ubuntu-server-18-04-%e4%b8%8a%e5%ae%89%e8%a3%9d-fail2ban","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/52931\/","title":{"rendered":"\u5982\u4f55\u5728 Ubuntu Server 18.04 \u4e0a\u5b89\u88dd fail2ban"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-ubuntu-server-18-04-%e4%b8%8a%e5%ae%89%e8%a3%9d-fail2ban-RNzLQsTMKC\">\u5982\u4f55\u5728 Ubuntu Server 18.04 \u4e0a\u5b89\u88dd fail2ban<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u4f3a\u670d\u5668\u5b89\u5168\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002fail2ban \u662f\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u4fdd\u8b77\u4f3a\u670d\u5668\u514d\u53d7\u66b4\u529b\u7834\u89e3\u653b\u64ca\u3002\u672c\u6587\u5c07\u6307\u5c0e\u60a8\u5982\u4f55\u5728 Ubuntu Server 18.04 \u4e0a\u5b89\u88dd\u548c\u914d\u7f6e fail2ban\uff0c\u4ee5\u589e\u5f37\u60a8\u7684\u4f3a\u670d\u5668\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-fail2ban%ef%bc%9f-RNzLQsTMKC\">\u4ec0\u9ebc\u662f fail2ban\uff1f<\/h2>\n<p>fail2ban \u662f\u4e00\u500b\u7528\u65bc\u76e3\u63a7\u65e5\u8a8c\u6587\u4ef6\u7684\u5de5\u5177\uff0c\u7576\u5b83\u6aa2\u6e2c\u5230\u591a\u6b21\u5931\u6557\u7684\u767b\u9304\u5617\u8a66\u6642\uff0c\u6703\u81ea\u52d5\u5c01\u9396\u8a72 IP \u5730\u5740\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u64ca\uff0c\u4fdd\u8b77\u4f3a\u670d\u5668\u7684\u5b89\u5168\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d-fail2ban-RNzLQsTMKC\">\u5b89\u88dd fail2ban<\/h2>\n<p>\u5728 Ubuntu Server 18.04 \u4e0a\u5b89\u88dd fail2ban \u975e\u5e38\u7c21\u55ae\u3002\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e6%9b%b4%e6%96%b0%e7%b3%bb%e7%b5%b1-RNzLQsTMKC\">\u6b65\u9a5f 1\uff1a\u66f4\u65b0\u7cfb\u7d71<\/h3>\n<pre><code>sudo apt update\nsudo apt upgrade\n<\/code><\/pre>\n<p>\u5728\u5b89\u88dd\u4efb\u4f55\u65b0\u8edf\u4ef6\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u66f4\u65b0\u7cfb\u7d71\uff0c\u4ee5\u78ba\u4fdd\u6240\u6709\u7684\u5305\u90fd\u662f\u6700\u65b0\u7684\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e5%ae%89%e8%a3%9d-fail2ban-RNzLQsTMKC\">\u6b65\u9a5f 2\uff1a\u5b89\u88dd fail2ban<\/h3>\n<pre><code>sudo apt install fail2ban\n<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u5f8c\uff0c\u7cfb\u7d71\u5c07\u81ea\u52d5\u4e0b\u8f09\u4e26\u5b89\u88dd fail2ban \u53ca\u5176\u4f9d\u8cf4\u9805\u3002<\/p>\n<h2 id=\"%e9%85%8d%e7%bd%ae-fail2ban-RNzLQsTMKC\">\u914d\u7f6e fail2ban<\/h2>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u9700\u8981\u914d\u7f6e fail2ban \u4ee5\u9069\u61c9\u60a8\u7684\u9700\u6c42\u3002fail2ban \u7684\u4e3b\u8981\u914d\u7f6e\u6587\u4ef6\u4f4d\u65bc \/etc\/fail2ban\/jail.conf\uff0c\u4f46\u5efa\u8b70\u60a8\u4e0d\u8981\u76f4\u63a5\u7de8\u8f2f\u6b64\u6587\u4ef6\uff0c\u800c\u662f\u5275\u5efa\u4e00\u500b\u672c\u5730\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e5%89%b5%e5%bb%ba%e6%9c%ac%e5%9c%b0%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-RNzLQsTMKC\">\u6b65\u9a5f 1\uff1a\u5275\u5efa\u672c\u5730\u914d\u7f6e\u6587\u4ef6<\/h3>\n<pre><code>sudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u4fdd\u7559\u539f\u59cb\u914d\u7f6e\u6587\u4ef6\u7684\u5099\u4efd\uff0c\u4e26\u5728\u672c\u5730\u6587\u4ef6\u4e2d\u9032\u884c\u4fee\u6539\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e7%b7%a8%e8%bc%af%e6%9c%ac%e5%9c%b0%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-RNzLQsTMKC\">\u6b65\u9a5f 2\uff1a\u7de8\u8f2f\u672c\u5730\u914d\u7f6e\u6587\u4ef6<\/h3>\n<pre><code>sudo nano \/etc\/fail2ban\/jail.local\n<\/code><\/pre>\n<p>\u5728\u7de8\u8f2f\u5668\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u4fee\u6539\u4ee5\u4e0b\u8a2d\u7f6e\uff1a<\/p>\n<ul>\n<li><strong>ignoreip<\/strong>: \u8a2d\u7f6e\u4e0d\u88ab\u5c01\u9396\u7684 IP \u5730\u5740\uff0c\u4f8b\u5982\u60a8\u7684\u672c\u5730 IP\u3002<\/li>\n<li><strong>bantime<\/strong>: \u8a2d\u7f6e\u88ab\u5c01\u9396\u7684\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002<\/li>\n<li><strong>maxretry<\/strong>: \u8a2d\u7f6e\u5728\u88ab\u5c01\u9396\u4e4b\u524d\u5141\u8a31\u7684\u6700\u5927\u5931\u6557\u767b\u9304\u5617\u8a66\u6b21\u6578\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c07\u4ee5\u4e0b\u884c\u6dfb\u52a0\u5230\u914d\u7f6e\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre><code>ignoreip = 127.0.0.1\/8\nbantime = 3600\nmaxretry = 5\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e5%95%9f%e7%94%a8%e6%9c%8d%e5%8b%99-RNzLQsTMKC\">\u6b65\u9a5f 3\uff1a\u555f\u7528\u670d\u52d9<\/h3>\n<pre><code>sudo systemctl start fail2ban\nsudo systemctl enable fail2ban\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u555f\u52d5 fail2ban \u4e26\u8a2d\u7f6e\u70ba\u958b\u6a5f\u81ea\u555f\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%9f%a5-fail2ban-%e7%8b%80%e6%85%8b-RNzLQsTMKC\">\u6aa2\u67e5 fail2ban \u72c0\u614b<\/h2>\n<p>\u8981\u6aa2\u67e5 fail2ban \u7684\u904b\u884c\u72c0\u614b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo systemctl status fail2ban\n<\/code><\/pre>\n<p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u61c9\u8a72\u6703\u770b\u5230 fail2ban \u6b63\u5728\u904b\u884c\u7684\u6d88\u606f\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e8%a2%ab%e5%b0%81%e9%8e%96%e7%9a%84-ip-%e5%9c%b0%e5%9d%80-RNzLQsTMKC\">\u67e5\u770b\u88ab\u5c01\u9396\u7684 IP \u5730\u5740<\/h2>\n<p>\u8981\u67e5\u770b\u7576\u524d\u88ab\u5c01\u9396\u7684 IP \u5730\u5740\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo fail2ban-client status\n<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709\u76e3\u63a7\u7684 jail \u53ca\u5176\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RNzLQsTMKC\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u5df2\u6210\u529f\u5728 Ubuntu Server 18.04 \u4e0a\u5b89\u88dd\u4e26\u914d\u7f6e\u4e86 fail2ban\u3002\u9019\u5c07\u5927\u5927\u589e\u5f37\u60a8\u7684\u4f3a\u670d\u5668\u5b89\u5168\u6027\uff0c\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u64ca\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u500b\u4eba\u9805\u76ee\u9084\u662f\u5546\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 Ubuntu Server 18.04 \u4e0a\u5b89\u88dd fail2ban\uff0c\u4ee5\u589e\u5f37\u7cfb\u7d71\u5b89\u5168\u6027\uff0c\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u64ca\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-52931","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/52931","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=52931"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/52931\/revisions"}],"predecessor-version":[{"id":52932,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/52931\/revisions\/52932"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=52931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=52931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=52931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}