{"id":43812,"date":"2024-10-06T10:43:12","date_gmt":"2024-10-06T02:43:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43812\/"},"modified":"2024-10-06T10:43:12","modified_gmt":"2024-10-06T02:43:12","slug":"centos-7-%e5%af%86%e7%a2%bc%e7%99%bb%e9%8c%84%e5%a4%b1%e6%95%97%e4%b9%8b%e5%be%8c%e7%a6%81%e6%ad%a2%e7%99%bb%e9%8c%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43812\/","title":{"rendered":"CentOS 7 \u5bc6\u78bc\u767b\u9304\u5931\u6557\u4e4b\u5f8c\u7981\u6b62\u767b\u9304\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"centos-7-%e5%af%86%e7%a2%bc%e7%99%bb%e9%8c%84%e5%a4%b1%e6%95%97%e4%b9%8b%e5%be%8c%e7%a6%81%e6%ad%a2%e7%99%bb%e9%8c%84%e6%96%b9%e6%b3%95-wksdigwumI\">CentOS 7 \u5bc6\u78bc\u767b\u9304\u5931\u6557\u4e4b\u5f8c\u7981\u6b62\u767b\u9304\u65b9\u6cd5<\/h1>\n<p>\u5728\u4f7f\u7528 CentOS 7 \u7cfb\u7d71\u6642\uff0c\u5b89\u5168\u6027\u662f\u6bcf\u4f4d\u7cfb\u7d71\u7ba1\u7406\u54e1\u5fc5\u9808\u91cd\u8996\u7684\u554f\u984c\u3002\u5c24\u5176\u662f\u5728\u9762\u5c0d\u5bc6\u78bc\u767b\u9304\u5931\u6557\u7684\u60c5\u6cc1\u4e0b\uff0c\u5982\u4f55\u6709\u6548\u5730\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u767b\u9304\u6210\u70ba\u4e86\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728 CentOS 7 \u4e2d\u5982\u4f55\u8a2d\u7f6e\u7981\u6b62\u767b\u9304\u7684\u63aa\u65bd\uff0c\u4ee5\u589e\u5f37\u7cfb\u7d71\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e7%a6%81%e6%ad%a2%e7%99%bb%e9%8c%84-wksdigwumI\">\u70ba\u4ec0\u9ebc\u9700\u8981\u7981\u6b62\u767b\u9304<\/h2>\n<p>\u5bc6\u78bc\u767b\u9304\u5931\u6557\u7684\u60c5\u6cc1\u901a\u5e38\u662f\u7531\u65bc\u66b4\u529b\u7834\u89e3\u653b\u64ca\u6216\u5176\u4ed6\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u5617\u8a66\u3002\u9019\u4e9b\u653b\u64ca\u4e0d\u50c5\u6703\u6d88\u8017\u7cfb\u7d71\u8cc7\u6e90\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u6d29\u9732\u6216\u7cfb\u7d71\u88ab\u653b\u9677\u3002\u56e0\u6b64\uff0c\u8a2d\u7f6e\u767b\u9304\u9650\u5236\u662f\u4fdd\u8b77\u7cfb\u7d71\u7684\u4e00\u500b\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-fail2ban-%e9%80%b2%e8%a1%8c%e7%99%bb%e9%8c%84%e9%99%90%e5%88%b6-wksdigwumI\">\u4f7f\u7528 fail2ban \u9032\u884c\u767b\u9304\u9650\u5236<\/h2>\n<p>fail2ban \u662f\u4e00\u500b\u6d41\u884c\u7684\u5b89\u5168\u5de5\u5177\uff0c\u53ef\u4ee5\u81ea\u52d5\u76e3\u63a7\u65e5\u8a8c\u6587\u4ef6\uff0c\u4e26\u6839\u64da\u7279\u5b9a\u7684\u898f\u5247\u7981\u6b62\u53ef\u7591\u7684 IP \u5730\u5740\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 CentOS 7 \u4e0a\u5b89\u88dd\u548c\u914d\u7f6e fail2ban \u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e5%ae%89%e8%a3%9d-fail2ban-wksdigwumI\">\u5b89\u88dd fail2ban<\/h3>\n<pre><code>sudo yum install epel-release\nsudo yum install fail2ban<\/code><\/pre>\n<h3 id=\"%e9%85%8d%e7%bd%ae-fail2ban-wksdigwumI\">\u914d\u7f6e fail2ban<\/h3>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u9700\u8981\u914d\u7f6e fail2ban\u3002\u9996\u5148\uff0c\u8907\u88fd\u9810\u8a2d\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u7de8\u8f2f jail.local \u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo vi \/etc\/fail2ban\/jail.local<\/code><\/pre>\n<p>\u5728\u6587\u4ef6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u8a2d\u7f6e\u91dd\u5c0d SSH \u7684\u898f\u5247\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>[sshd]\nenabled = true\nport = ssh\nfilter = sshd\nlogpath = \/var\/log\/secure\nmaxretry = 5\nbantime = 3600<\/code><\/pre>\n<p>\u4e0a\u8ff0\u914d\u7f6e\u8868\u793a\uff0c\u5982\u679c\u67d0\u500b IP \u5730\u5740\u5728 1 \u5c0f\u6642\u5167\u5617\u8a66\u767b\u9304\u5931\u6557\u8d85\u904e 5 \u6b21\uff0c\u8a72 IP \u5c07\u88ab\u7981\u6b62\u8a2a\u554f\u3002<\/p>\n<h3 id=\"%e5%95%9f%e5%8b%95-fail2ban-wksdigwumI\">\u555f\u52d5 fail2ban<\/h3>\n<pre><code>sudo systemctl start fail2ban\nsudo systemctl enable fail2ban<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e9%98%b2%e7%81%ab%e7%89%86%e9%80%b2%e8%a1%8c%e7%99%bb%e9%8c%84%e9%99%90%e5%88%b6-wksdigwumI\">\u4f7f\u7528\u9632\u706b\u7246\u9032\u884c\u767b\u9304\u9650\u5236<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528 fail2ban\uff0c\u60a8\u9084\u53ef\u4ee5\u901a\u904e\u9632\u706b\u7246\u4f86\u9650\u5236\u767b\u9304\u3002\u4f7f\u7528 firewalld\uff0c\u60a8\u53ef\u4ee5\u8a2d\u7f6e\u7279\u5b9a\u7684\u898f\u5247\u4f86\u9650\u5236\u53ef\u8a2a\u554f SSH \u7684 IP \u5730\u5740\u3002<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%ae%e9%98%b2%e7%81%ab%e7%89%86%e8%a6%8f%e5%89%87-wksdigwumI\">\u8a2d\u7f6e\u9632\u706b\u7246\u898f\u5247<\/h3>\n<pre><code>sudo firewall-cmd --permanent --add-rich-rule='rule family=\"ipv4\" source address=\"YOUR_IP\" accept'\nsudo firewall-cmd --permanent --add-rich-rule='rule family=\"ipv4\" source address=\"0.0.0.0\/0\" service name=\"ssh\" reject'\nsudo firewall-cmd --reload<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c\u8acb\u5c07 <code>YOUR_IP<\/code> \u66ff\u63db\u70ba\u60a8\u5e0c\u671b\u5141\u8a31\u8a2a\u554f\u7684 IP \u5730\u5740\u3002\u9019\u6a23\uff0c\u53ea\u6709\u6307\u5b9a\u7684 IP \u5730\u5740\u53ef\u4ee5\u8a2a\u554f SSH\uff0c\u5176\u4ed6\u6240\u6709 IP \u5c07\u88ab\u62d2\u7d55\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wksdigwumI\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS 7 \u4e2d\uff0c\u901a\u904e\u4f7f\u7528 fail2ban \u548c\u9632\u706b\u7246\u8a2d\u7f6e\u767b\u9304\u9650\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u7cfb\u7d71\u7684\u5b89\u5168\u6027\u3002\u9019\u4e9b\u63aa\u65bd\u4e0d\u50c5\u80fd\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\uff0c\u9084\u80fd\u6e1b\u5c11\u7cfb\u7d71\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u5b89\u5168\u6027\u7684\u74b0\u5883\uff0c\u9019\u4e9b\u65b9\u6cd5\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u4fdd\u8b77\u60a8\u7684\u4f3a\u670d\u5668\u5b89\u5168\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728CentOS 7\u4e2d\u8a2d\u7f6e\u5bc6\u78bc\u767b\u9304\u5931\u6557\u5f8c\u7981\u6b62\u767b\u9304\u7684\u6709\u6548\u65b9\u6cd5\uff0c\u589e\u5f37\u7cfb\u7d71\u5b89\u5168\u6027\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-43812","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43812","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=43812"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43812\/revisions"}],"predecessor-version":[{"id":43813,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43812\/revisions\/43813"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}