{"id":44458,"date":"2024-10-06T15:46:16","date_gmt":"2024-10-06T07:46:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44458\/"},"modified":"2024-10-06T15:46:16","modified_gmt":"2024-10-06T07:46:16","slug":"linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%9f%ba%e6%96%bc%e7%b6%b2%e7%b5%a1%e7%9a%84%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44458\/","title":{"rendered":"Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u57fa\u65bc\u7db2\u7d61\u7684\u5b89\u5168"},"content":{"rendered":"<h1 id=\"linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%9f%ba%e6%96%bc%e7%b6%b2%e7%b5%a1%e7%9a%84%e5%ae%89%e5%85%a8-LhHjGAomVt\">Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u57fa\u65bc\u7db2\u7d61\u7684\u5b89\u5168<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u4f4d\u5316\u7684\u6642\u4ee3\uff0c\u4f3a\u670d\u5668\u5b89\u5168\u5df2\u6210\u70ba\u4f01\u696d\u548c\u500b\u4eba\u7528\u6236\u4e0d\u53ef\u5ffd\u8996\u7684\u91cd\u8981\u8b70\u984c\u3002\u7279\u5225\u662f\u4f7f\u7528 Linux \u7cfb\u7d71\u7684\u4f3a\u670d\u5668\uff0c\u7531\u65bc\u5176\u958b\u6e90\u7279\u6027\uff0c\u96d6\u7136\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u53ef\u5b9a\u5236\u6027\uff0c\u4f46\u540c\u6642\u4e5f\u9762\u81e8\u8457\u5404\u7a2e\u5b89\u5168\u5a01\u8105\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u57fa\u65bc\u7db2\u7d61\u7684\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff0c\u4ee5\u5e6b\u52a9\u7528\u6236\u52a0\u5f37\u5176 Linux \u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"1-%e5%ae%9a%e6%9c%9f%e6%9b%b4%e6%96%b0%e7%b3%bb%e7%b5%b1%e5%92%8c%e6%87%89%e7%94%a8%e7%a8%8b%e5%bc%8f-LhHjGAomVt\">1. \u5b9a\u671f\u66f4\u65b0\u7cfb\u7d71\u548c\u61c9\u7528\u7a0b\u5f0f<\/h2>\n<p>\u4fdd\u6301\u7cfb\u7d71\u548c\u61c9\u7528\u7a0b\u5f0f\u7684\u6700\u65b0\u72c0\u614b\u662f\u9632\u6b62\u5b89\u5168\u6f0f\u6d1e\u7684\u7b2c\u4e00\u6b65\u3002Linux \u767c\u884c\u7248\u901a\u5e38\u6703\u5b9a\u671f\u91cb\u51fa\u5b89\u5168\u66f4\u65b0\uff0c\u9019\u4e9b\u66f4\u65b0\u80fd\u4fee\u88dc\u5df2\u77e5\u7684\u6f0f\u6d1e\u3002\u7528\u6236\u61c9\u5b9a\u671f\u6aa2\u67e5\u4e26\u5b89\u88dd\u9019\u4e9b\u66f4\u65b0\uff0c\u4ee5\u4e0b\u662f\u66f4\u65b0\u7cfb\u7d71\u7684\u57fa\u672c\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo apt update\nsudo apt upgrade<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e9%98%b2%e7%81%ab%e7%89%86-LhHjGAomVt\">2. \u4f7f\u7528\u9632\u706b\u7246<\/h2>\n<p>\u9632\u706b\u7246\u662f\u4fdd\u8b77\u4f3a\u670d\u5668\u7684\u91cd\u8981\u5de5\u5177\u3002\u5b83\u80fd\u5920\u904e\u6ffe\u9032\u51fa\u4f3a\u670d\u5668\u7684\u6d41\u91cf\uff0c\u963b\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002Linux \u7cfb\u7d71\u4e2d\u5e38\u7528\u7684\u9632\u706b\u7246\u5de5\u5177\u6709 <code>iptables<\/code> \u548c <code>ufw<\/code>\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>ufw<\/code> \u8a2d\u5b9a\u9632\u706b\u7246\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>sudo ufw enable\nsudo ufw allow 22\/tcp  # \u5141\u8a31 SSH\nsudo ufw allow 80\/tcp  # \u5141\u8a31 HTTP\nsudo ufw allow 443\/tcp # \u5141\u8a31 HTTPS<\/code><\/pre>\n<h2 id=\"3-%e5%bc%b7%e5%8c%96-ssh-%e8%a8%ad%e5%ae%9a-LhHjGAomVt\">3. \u5f37\u5316 SSH \u8a2d\u5b9a<\/h2>\n<p>SSH \u662f\u9060\u7a0b\u7ba1\u7406 Linux \u4f3a\u670d\u5668\u7684\u4e3b\u8981\u5de5\u5177\uff0c\u4f46\u5982\u679c\u4e0d\u52a0\u4ee5\u4fdd\u8b77\uff0c\u53ef\u80fd\u6210\u70ba\u653b\u64ca\u8005\u7684\u76ee\u6a19\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5f37\u5316 SSH \u5b89\u5168\u6027\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li>\u66f4\u6539\u9ed8\u8a8d\u7684 SSH \u7aef\u53e3\uff0822\uff09\u70ba\u5176\u4ed6\u7aef\u53e3\u3002<\/li>\n<li>\u7981\u7528\u6839\u7528\u6236\u76f4\u63a5\u767b\u9304\u3002<\/li>\n<li>\u4f7f\u7528\u516c\u9470\u8a8d\u8b49\u800c\u975e\u5bc6\u78bc\u8a8d\u8b49\u3002<\/li>\n<\/ul>\n<p>\u66f4\u6539 SSH \u7aef\u53e3\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>sudo nano \/etc\/ssh\/sshd_config\n# \u5c07 Port 22 \u6539\u70ba\u5176\u4ed6\u7aef\u53e3\uff0c\u4f8b\u5982 2222\nsudo systemctl restart sshd<\/code><\/pre>\n<h2 id=\"4-%e5%af%a6%e6%96%bd%e5%85%a5%e4%be%b5%e6%aa%a2%e6%b8%ac%e7%b3%bb%e7%b5%b1-LhHjGAomVt\">4. \u5be6\u65bd\u5165\u4fb5\u6aa2\u6e2c\u7cfb\u7d71<\/h2>\n<p>\u5165\u4fb5\u6aa2\u6e2c\u7cfb\u7d71\uff08IDS\uff09\u80fd\u5920\u76e3\u63a7\u4f3a\u670d\u5668\u7684\u6d3b\u52d5\uff0c\u4e26\u5728\u767c\u73fe\u53ef\u7591\u884c\u70ba\u6642\u767c\u51fa\u8b66\u5831\u3002\u5e38\u898b\u7684 IDS \u5de5\u5177\u5305\u62ec <code>Snort<\/code> \u548c <code>OSSEC<\/code>\u3002\u9019\u4e9b\u5de5\u5177\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u53ca\u6642\u767c\u73fe\u6f5b\u5728\u7684\u5b89\u5168\u5a01\u8105\u3002<\/p>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a-LhHjGAomVt\">5. \u5b9a\u671f\u5099\u4efd\u6578\u64da<\/h2>\n<p>\u5373\u4f7f\u63a1\u53d6\u4e86\u6240\u6709\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u6578\u64da\u4e1f\u5931\u7684\u98a8\u96aa\u4ecd\u7136\u5b58\u5728\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u5099\u4efd\u6578\u64da\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528 <code>rsync<\/code> \u6216 <code>tar<\/code> \u7b49\u5de5\u5177\u9032\u884c\u5099\u4efd\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>rsync<\/code> \u9032\u884c\u5099\u4efd\u7684\u57fa\u672c\u547d\u4ee4\uff1a<\/p>\n<pre><code>rsync -avz \/path\/to\/source \/path\/to\/destination<\/code><\/pre>\n<h2 id=\"6-%e7%9b%a3%e6%8e%a7%e4%bc%ba%e6%9c%8d%e5%99%a8%e6%97%a5%e8%aa%8c-LhHjGAomVt\">6. \u76e3\u63a7\u4f3a\u670d\u5668\u65e5\u8a8c<\/h2>\n<p>\u4f3a\u670d\u5668\u65e5\u8a8c\u8a18\u9304\u4e86\u7cfb\u7d71\u7684\u5404\u7a2e\u6d3b\u52d5\uff0c\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u9019\u4e9b\u65e5\u8a8c\uff0c\u53ef\u4ee5\u53ca\u65e9\u767c\u73fe\u7570\u5e38\u884c\u70ba\u3002Linux \u7cfb\u7d71\u4e2d\u7684\u65e5\u8a8c\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc <code>\/var\/log<\/code> \u76ee\u9304\u4e0b\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528 <code>tail<\/code> \u547d\u4ee4\u67e5\u770b\u6700\u65b0\u7684\u65e5\u8a8c\u689d\u76ee\uff1a<\/p>\n<pre><code>tail -f \/var\/log\/auth.log<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LhHjGAomVt\">\u7e3d\u7d50<\/h2>\n<p>\u52a0\u5f37 Linux \u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u662f\u4e00\u9805\u6301\u7e8c\u7684\u5de5\u4f5c\uff0c\u6d89\u53ca\u591a\u65b9\u9762\u7684\u7b56\u7565\u548c\u6280\u5de7\u3002\u901a\u904e\u5b9a\u671f\u66f4\u65b0\u7cfb\u7d71\u3001\u4f7f\u7528\u9632\u706b\u7246\u3001\u5f37\u5316 SSH \u8a2d\u5b9a\u3001\u5be6\u65bd\u5165\u4fb5\u6aa2\u6e2c\u7cfb\u7d71\u3001\u5b9a\u671f\u5099\u4efd\u6578\u64da\u4ee5\u53ca\u76e3\u63a7\u4f3a\u670d\u5668\u65e5\u8a8c\uff0c\u7528\u6236\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Linux\u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff0c\u63d0\u5347\u57fa\u65bc\u7db2\u7d61\u7684\u5b89\u5168\u6027\uff0c\u4fdd\u8b77\u60a8\u7684\u7cfb\u7d71\u514d\u53d7\u6f5b\u5728\u5a01\u8105\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-44458","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44458","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=44458"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44458\/revisions"}],"predecessor-version":[{"id":44459,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44458\/revisions\/44459"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}