{"id":45216,"date":"2024-10-06T21:18:15","date_gmt":"2024-10-06T13:18:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45216\/"},"modified":"2024-10-06T21:18:15","modified_gmt":"2024-10-06T13:18:15","slug":"%e5%bc%b7%e5%8c%96-linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%9a%84%e5%b9%be%e5%80%8b%e5%bb%ba%e8%ad%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45216\/","title":{"rendered":"\u5f37\u5316 Linux \u4f3a\u670d\u5668\u7684\u5e7e\u500b\u5efa\u8b70"},"content":{"rendered":"<h1 id=\"%e5%bc%b7%e5%8c%96-linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%9a%84%e5%b9%be%e5%80%8b%e5%bb%ba%e8%ad%b0-dhRTSxCkUN\">\u5f37\u5316 Linux \u4f3a\u670d\u5668\u7684\u5e7e\u500b\u5efa\u8b70<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0cLinux \u4f3a\u670d\u5668\u56e0\u5176\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u7121\u8ad6\u662f\u7528\u65bc\u7db2\u7ad9\u6258\u7ba1\u3001\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u9084\u662f\u6578\u64da\u5b58\u5132\uff0c\u5f37\u5316 Linux \u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u6709\u6548\u7684\u5efa\u8b70\uff0c\u5e6b\u52a9\u60a8\u63d0\u5347 Linux \u4f3a\u670d\u5668\u7684\u6574\u9ad4\u8868\u73fe\u3002<\/p>\n<h2 id=\"1-%e5%ae%9a%e6%9c%9f%e6%9b%b4%e6%96%b0%e7%b3%bb%e7%b5%b1-dhRTSxCkUN\">1. \u5b9a\u671f\u66f4\u65b0\u7cfb\u7d71<\/h2>\n<p>\u4fdd\u6301\u7cfb\u7d71\u548c\u61c9\u7528\u7a0b\u5f0f\u7684\u6700\u65b0\u72c0\u614b\u662f\u78ba\u4fdd\u5b89\u5168\u6027\u7684\u91cd\u8981\u6b65\u9a5f\u3002Linux \u767c\u884c\u7248\u901a\u5e38\u6703\u5b9a\u671f\u91cb\u51fa\u5b89\u5168\u66f4\u65b0\u548c\u4fee\u88dc\u7a0b\u5f0f\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u8f15\u9b06\u66f4\u65b0\u7cfb\u7d71\uff1a<\/p>\n<pre><code>sudo apt update\nsudo apt upgrade<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684\u4f3a\u670d\u5668\u64c1\u6709\u6700\u65b0\u7684\u5b89\u5168\u6027\u4fee\u88dc\u548c\u529f\u80fd\u589e\u5f37\u3002<\/p>\n<h2 id=\"2-%e5%bc%b7%e5%8c%96%e7%94%a8%e6%88%b6%e8%aa%8d%e8%ad%89-dhRTSxCkUN\">2. \u5f37\u5316\u7528\u6236\u8a8d\u8b49<\/h2>\n<p>\u4f7f\u7528\u5f37\u5bc6\u78bc\u548c\u591a\u56e0\u7d20\u8a8d\u8b49\uff08MFA\uff09\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002\u5efa\u8b70\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4f86\u5f37\u5316\u7528\u6236\u8a8d\u8b49\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u9577\u5ea6\u81f3\u5c11\u70ba12\u500b\u5b57\u7b26\u7684\u8907\u96dc\u5bc6\u78bc\uff0c\u4e26\u5305\u542b\u5927\u5c0f\u5beb\u5b57\u6bcd\u3001\u6578\u5b57\u548c\u7279\u6b8a\u5b57\u7b26\u3002<\/li>\n<li>\u555f\u7528 SSH \u5bc6\u9470\u8a8d\u8b49\uff0c\u7981\u7528\u5bc6\u78bc\u767b\u9304\u3002<\/li>\n<li>\u4f7f\u7528\u5de5\u5177\u5982 <code>fail2ban<\/code> \u4f86\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u64ca\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e9%85%8d%e7%bd%ae%e9%98%b2%e7%81%ab%e7%89%86-dhRTSxCkUN\">3. \u914d\u7f6e\u9632\u706b\u7246<\/h2>\n<p>\u9632\u706b\u7246\u662f\u4fdd\u8b77\u4f3a\u670d\u5668\u7684\u91cd\u8981\u5de5\u5177\u3002\u4f7f\u7528 <code>iptables<\/code> \u6216 <code>ufw<\/code> \u4f86\u914d\u7f6e\u9632\u706b\u7246\u898f\u5247\uff0c\u9650\u5236\u4e0d\u5fc5\u8981\u7684\u6d41\u91cf\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u555f\u7528 UFW \u4e26\u5141\u8a31 SSH \u9023\u63a5\uff1a<\/p>\n<pre><code>sudo ufw allow ssh\nsudo ufw enable<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u6388\u6b0a\u7684\u6d41\u91cf\u80fd\u5920\u9032\u5165\u4f3a\u670d\u5668\u3002<\/p>\n<h2 id=\"4-%e7%9b%a3%e6%8e%a7%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd-dhRTSxCkUN\">4. \u76e3\u63a7\u7cfb\u7d71\u6027\u80fd<\/h2>\n<p>\u5b9a\u671f\u76e3\u63a7\u4f3a\u670d\u5668\u7684\u6027\u80fd\u53ef\u4ee5\u5e6b\u52a9\u60a8\u53ca\u65e9\u767c\u73fe\u6f5b\u5728\u554f\u984c\u3002\u4f7f\u7528\u5de5\u5177\u5982 <code>top<\/code>\u3001<code>htop<\/code> \u6216 <code>netstat<\/code> \u4f86\u6aa2\u67e5\u7cfb\u7d71\u8cc7\u6e90\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>top<\/code> \u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>top<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u7576\u524d\u904b\u884c\u7684\u9032\u7a0b\u53ca\u5176\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\uff0c\u5e6b\u52a9\u60a8\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a-dhRTSxCkUN\">5. \u5b9a\u671f\u5099\u4efd\u6578\u64da<\/h2>\n<p>\u6578\u64da\u4e1f\u5931\u53ef\u80fd\u6703\u5c0d\u696d\u52d9\u9020\u6210\u91cd\u5927\u640d\u5931\uff0c\u56e0\u6b64\u5b9a\u671f\u5099\u4efd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 <code>rsync<\/code> \u6216 <code>tar<\/code> \u547d\u4ee4\u4f86\u5275\u5efa\u5099\u4efd\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5099\u4efd\u76ee\u9304\uff1a<\/p>\n<pre><code>rsync -avz \/path\/to\/source \/path\/to\/destination<\/code><\/pre>\n<p>\u78ba\u4fdd\u5099\u4efd\u5b58\u5132\u5728\u5b89\u5168\u7684\u4f4d\u7f6e\uff0c\u4e26\u5b9a\u671f\u6e2c\u8a66\u6062\u5fa9\u904e\u7a0b\u3002<\/p>\n<h2 id=\"6-%e5%af%a6%e6%96%bd%e5%ae%89%e5%85%a8%e5%af%a9%e8%a8%88-dhRTSxCkUN\">6. \u5be6\u65bd\u5b89\u5168\u5be9\u8a08<\/h2>\n<p>\u5b9a\u671f\u9032\u884c\u5b89\u5168\u5be9\u8a08\u53ef\u4ee5\u5e6b\u52a9\u60a8\u8b58\u5225\u6f5b\u5728\u7684\u5b89\u5168\u6f0f\u6d1e\u3002\u4f7f\u7528\u5de5\u5177\u5982 <code>Lynis<\/code> \u9032\u884c\u7cfb\u7d71\u5be9\u8a08\uff0c\u4e26\u6839\u64da\u5831\u544a\u9032\u884c\u76f8\u61c9\u7684\u6539\u9032\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 Lynis \u9032\u884c\u5be9\u8a08\u7684\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo lynis audit system<\/code><\/pre>\n<p>\u9019\u5c07\u751f\u6210\u4e00\u4efd\u8a73\u7d30\u7684\u5831\u544a\uff0c\u5e6b\u52a9\u60a8\u4e86\u89e3\u7cfb\u7d71\u7684\u5b89\u5168\u72c0\u6cc1\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dhRTSxCkUN\">\u7e3d\u7d50<\/h2>\n<p>\u5f37\u5316 Linux \u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u662f\u6bcf\u4f4d\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u91cd\u8981\u4efb\u52d9\u3002\u901a\u904e\u5b9a\u671f\u66f4\u65b0\u7cfb\u7d71\u3001\u5f37\u5316\u7528\u6236\u8a8d\u8b49\u3001\u914d\u7f6e\u9632\u706b\u7246\u3001\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\u3001\u5b9a\u671f\u5099\u4efd\u6578\u64da\u4ee5\u53ca\u5be6\u65bd\u5b89\u5168\u5be9\u8a08\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u4f3a\u670d\u5668\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f37\u5316 Linux \u4f3a\u670d\u5668\u7684\u5e7e\u500b\u5efa\u8b70\uff0c\u63d0\u5347\u5b89\u5168\u6027\u3001\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u8207\u6578\u64da\u5b89\u5168\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-45216","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45216","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=45216"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45216\/revisions"}],"predecessor-version":[{"id":45217,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45216\/revisions\/45217"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}