{"id":218800,"date":"2023-12-23T17:10:24","date_gmt":"2023-12-23T09:10:24","guid":{"rendered":"https:\/\/www.idc.net\/help\/218800\/"},"modified":"2023-12-23T17:10:24","modified_gmt":"2023-12-23T09:10:24","slug":"email%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%85%a5%e9%97%a8%ef%bc%9a%e4%bd%bf%e7%94%a8fail2ban%e9%98%bb%e6%ad%a2%e6%81%b6%e6%84%8f%e7%99%bb%e5%bd%95%e5%b0%9d%e8%af%95","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/218800\/","title":{"rendered":"Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u4f7f\u7528fail2ban\u963b\u6b62\u6076\u610f\u767b\u5f55\u5c1d\u8bd5"},"content":{"rendered":"<p><title id=\"email%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%85%a5%e9%97%a8%ef%bc%9a%e4%bd%bf%e7%94%a8fail2ban%e9%98%bb%e6%ad%a2%e6%81%b6%e6%84%8f%e7%99%bb%e5%bd%95%e5%b0%9d%e8%af%95-nnOoCVGBHn\">Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u4f7f\u7528fail2ban\u963b\u6b62\u6076\u610f\u767b\u5f55\u5c1d\u8bd5<\/title><\/p>\n<h1 id=\"email%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%85%a5%e9%97%a8%ef%bc%9a%e4%bd%bf%e7%94%a8fail2ban%e9%98%bb%e6%ad%a2%e6%81%b6%e6%84%8f%e7%99%bb%e5%bd%95%e5%b0%9d%e8%af%95-nnOoCVGBHn\">Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u4f7f\u7528fail2ban\u963b\u6b62\u6076\u610f\u767b\u5f55\u5c1d\u8bd5<\/h1>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%affail2ban%ef%bc%9f-nnOoCVGBHn\">\u4ec0\u4e48\u662ffail2ban\uff1f<\/h2>\n<p>Fail2ban\u662f\u4e00\u79cd\u7528\u4e8e\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u6076\u610f\u767b\u5f55\u5c1d\u8bd5\u7684\u5de5\u5177\u3002\u5b83\u901a\u8fc7\u76d1\u89c6\u670d\u52a1\u5668\u4e0a\u7684\u767b\u5f55\u65e5\u5fd7\uff0c\u68c0\u6d4b\u5230\u591a\u6b21\u5931\u8d25\u7684\u767b\u5f55\u5c1d\u8bd5\u540e\uff0c\u4f1a\u81ea\u52a8\u5c06\u653b\u51fb\u8005\u7684IP\u5730\u5740\u6dfb\u52a0\u5230\u963b\u6b62\u5217\u8868\u4e2d\uff0c\u4ece\u800c\u963b\u6b62\u5176\u8fdb\u4e00\u6b65\u7684\u8bbf\u95ee\u3002<\/p>\n<h2 id=\"%e4%b8%ba%e4%bb%80%e4%b9%88%e9%9c%80%e8%a6%81%e4%bd%bf%e7%94%a8fail2ban%ef%bc%9f-nnOoCVGBHn\">\u4e3a\u4ec0\u4e48\u9700\u8981\u4f7f\u7528fail2ban\uff1f<\/h2>\n<p>\u5728\u4eca\u5929\u7684\u4e92\u8054\u7f51\u4e16\u754c\u4e2d\uff0c\u6076\u610f\u767b\u5f55\u5c1d\u8bd5\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u653b\u51fb\u65b9\u5f0f\u3002\u9ed1\u5ba2\u53ef\u4ee5\u4f7f\u7528\u66b4\u529b\u7834\u89e3\u6216\u5b57\u5178\u653b\u51fb\u7b49\u65b9\u6cd5\uff0c\u5c1d\u8bd5\u4f7f\u7528\u4e0d\u540c\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u7ec4\u5408\u6765\u767b\u5f55\u670d\u52a1\u5668\u3002\u5982\u679c\u670d\u52a1\u5668\u6ca1\u6709\u4efb\u4f55\u4fdd\u62a4\u63aa\u65bd\uff0c\u8fd9\u4e9b\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u6210\u529f\u767b\u5f55\uff0c\u5e76\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u6076\u610f\u64cd\u4f5c\u3002<\/p>\n<p>\u4f7f\u7528fail2ban\u53ef\u4ee5\u5927\u5927\u51cf\u5c11\u8fd9\u79cd\u98ce\u9669\u3002\u5b83\u53ef\u4ee5\u81ea\u52a8\u68c0\u6d4b\u5e76\u963b\u6b62\u6076\u610f\u767b\u5f55\u5c1d\u8bd5\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%ae%89%e8%a3%85%e5%92%8c%e9%85%8d%e7%bd%aefail2ban%ef%bc%9f-nnOoCVGBHn\">\u5982\u4f55\u5b89\u88c5\u548c\u914d\u7f6efail2ban\uff1f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5728Linux\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u548c\u914d\u7f6efail2ban\u7684\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528root\u6743\u9650\u767b\u5f55\u670d\u52a1\u5668\u3002<\/li>\n<li>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5fail2ban\uff1a<\/li>\n<\/ol>\n<pre><code>sudo apt-get install fail2ban<\/code><\/pre>\n<ol start=\"3\">\n<li>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u8fdb\u5165fail2ban\u7684\u914d\u7f6e\u76ee\u5f55\uff1a<\/li>\n<\/ol>\n<pre><code>cd \/etc\/fail2ban<\/code><\/pre>\n<ol start=\"4\">\n<li>\u590d\u5236\u9ed8\u8ba4\u914d\u7f6e\u6587\u4ef6\uff1a<\/li>\n<\/ol>\n<pre><code>sudo cp jail.conf jail.local<\/code><\/pre>\n<ol start=\"5\">\n<li>\u7f16\u8f91jail.local\u6587\u4ef6\uff1a<\/li>\n<\/ol>\n<pre><code>sudo nano jail.local<\/code><\/pre>\n<p>\u5728\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>[sshd]\nenabled = true\n<\/code><\/pre>\n<p>\u5c06\"enabled\"\u7684\u503c\u6539\u4e3a\"true\"\uff0c\u4ee5\u542f\u7528\u5bf9SSH\u767b\u5f55\u7684\u4fdd\u62a4\u3002<\/p>\n<ol start=\"6\">\n<li>\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/li>\n<li>\u91cd\u65b0\u542f\u52a8fail2ban\u670d\u52a1\uff1a<\/li>\n<\/ol>\n<pre><code>sudo service fail2ban restart<\/code><\/pre>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8bfail2ban%e7%9a%84%e6%97%a5%e5%bf%97%e5%92%8c%e9%98%bb%e6%ad%a2%e5%88%97%e8%a1%a8%ef%bc%9f-nnOoCVGBHn\">\u5982\u4f55\u67e5\u770bfail2ban\u7684\u65e5\u5fd7\u548c\u963b\u6b62\u5217\u8868\uff1f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u67e5\u770bfail2ban\u65e5\u5fd7\u548c\u963b\u6b62\u5217\u8868\u7684\u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770bfail2ban\u7684\u65e5\u5fd7\uff1a<\/li>\n<\/ol>\n<pre><code>sudo tail -f \/var\/log\/fail2ban.log<\/code><\/pre>\n<ol start=\"2\">\n<li>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770bfail2ban\u7684\u963b\u6b62\u5217\u8868\uff1a<\/li>\n<\/ol>\n<pre><code>sudo fail2ban-client status<\/code><\/pre>\n<h2 id=\"%e7%bb%93%e8%ae%ba-nnOoCVGBHn\">\u7ed3\u8bba<\/h2>\n<p>\u4f7f\u7528fail2ban\u53ef\u4ee5\u6709\u6548\u5730\u963b\u6b62\u6076\u610f\u767b\u5f55\u5c1d\u8bd5\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u901a\u8fc7\u76d1\u89c6\u767b\u5f55\u65e5\u5fd7\u5e76\u81ea\u52a8\u963b\u6b62\u653b\u51fb\u8005\u7684IP\u5730\u5740\uff0c\u6211\u4eec\u53ef\u4ee5\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/p>\n<h3 id=\"summary-section-nnOoCVGBHn\">Summary Section<\/h3>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u53ef\u9760\u7684\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u7684\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u4f7f\u7528fail2ban\u963b\u6b62\u6076\u610f\u767b\u5f55\u5c1d\u8bd5 Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u4f7f\u7528fail2ban\u963b\u6b62\u6076\u610f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197853],"tags":[],"class_list":["post-218800","post","type-post","status-publish","format-standard","hentry","category-email"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/218800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=218800"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/218800\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=218800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=218800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=218800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}