{"id":62505,"date":"2025-04-29T09:54:28","date_gmt":"2025-04-29T01:54:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62505\/"},"modified":"2025-04-29T09:54:28","modified_gmt":"2025-04-29T01:54:28","slug":"%e6%8f%90%e9%ab%98linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e6%80%a7%e7%9a%845%e4%b8%aa%e5%85%b3%e9%94%ae%e5%91%bd%e4%bb%a4-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62505\/","title":{"rendered":"\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u76845\u4e2a\u5173\u952e\u547d\u4ee4"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/465\/014\/169430431918640.jpg\" class=\"aligncenter\" title=\"\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u76845\u4e2a\u5173\u952e\u547d\u4ee4\u63d2\u56fe\" alt=\"\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u76845\u4e2a\u5173\u952e\u547d\u4ee4\u63d2\u56fe\" \/><\/p>\n<p>\u5728\u5f53\u4eca\u6570\u5b57\u65f6\u4ee3\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u7279\u522b\u662f\u5bf9\u4e8e\u4f7f\u7528Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u670d\u52a1\u5668\u6765\u8bf4\uff0c\u63d0\u9ad8\u5176\u5b89\u5168\u6027\u662f\u4e00\u4e2a\u4e0d\u53ef\u5ffd\u89c6\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd5\u4e2a\u5173\u952e\u547d\u4ee4\uff0c\u53ef\u4ee5\u5e2e\u52a9\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528\u9632\u706b\u5899<\/li>\n<\/ol>\n<p>\u9632\u706b\u5899\u53ef\u4ee5\u8fc7\u6ee4\u7f51\u7edc\u6d41\u91cf\uff0c\u9650\u5236\u5bf9\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u3002\u5728Linux\u4e2d\uff0ciptables\u547d\u4ee4\u7528\u4e8e\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684iptables\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li>\u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u6216IP\u5730\u5740\u8303\u56f4\u8bbf\u95ee\u670d\u52a1\u5668\uff1aiptables -A INPUT -s  -j ACCEPT  <\/li>\n<li>\u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u8bbf\u95ee\uff1aiptables -A INPUT -p tcp &#8211;dport  -j ACCEPT  <\/li>\n<li>\u7981\u6b62\u6240\u6709\u5165\u7ad9\u6d41\u91cf\uff1aiptables -P INPUT DROP<\/li>\n<li>\u67e5\u770b\u5f53\u524d\u9632\u706b\u5899\u89c4\u5219\uff1aiptables -L<\/li>\n<\/ul>\n<p>\u914d\u7f6e\u9002\u5f53\u7684\u9632\u706b\u5899\u89c4\u5219\u53ef\u4ee5\u9650\u5236\u5bf9\u670d\u52a1\u5668\u7684\u4e0d\u5fc5\u8981\u8bbf\u95ee\uff0c\u5e76\u963b\u6b62\u6f5c\u5728\u7684\u653b\u51fb\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528\u5f3a\u5bc6\u7801<\/li>\n<\/ol>\n<p>\u5f31\u5bc6\u7801\u662f\u88ab\u9ed1\u5ba2\u653b\u51fb\u7684\u4e00\u4e2a\u4e3b\u8981\u5165\u53e3\u3002\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u4f7f\u7528passwd\u547d\u4ee4\u53ef\u4ee5\u66f4\u6539\u7528\u6237\u5bc6\u7801\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u521b\u5efa\u5f3a\u5bc6\u7801\u7684\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5bc6\u7801\u957f\u5ea6\u81f3\u5c118\u4e2a\u5b57\u7b26<\/li>\n<li>\u4f7f\u7528\u5927\u5199\u548c\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u7279\u6b8a\u5b57\u7b26\u7684\u7ec4\u5408<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u5e38\u89c1\u5bc6\u7801\uff0c\u5982&#8221;password&#8221;\u6216&#8221;123456&#8243;<\/li>\n<\/ul>\n<p>\u540c\u65f6\uff0c\u5b9a\u671f\u66f4\u6539\u5bc6\u7801\u4e5f\u662f\u7ef4\u62a4\u670d\u52a1\u5668\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002<\/p>\n<ol>\n<li>\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6<\/li>\n<\/ol>\n<p>\u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\u662f\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u7684\u5173\u952e\u6b65\u9aa4\u3002\u901a\u8fc7\u66f4\u65b0\u64cd\u4f5c\u7cfb\u7edf\u548c\u8f6f\u4ef6\uff0c\u53ef\u4ee5\u4fee\u590d\u5df2\u77e5\u7684\u6f0f\u6d1e\u548c\u5b89\u5168\u95ee\u9898\u3002\u5728Linux\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\uff1a<\/p>\n<ul>\n<li>Ubuntu\/Debian\uff1asudo apt update &amp;&amp; sudo apt upgrade<\/li>\n<li>CentOS\/RHEL\uff1asudo yum update<\/li>\n<li>Arch Linux\uff1asudo pacman -Syu<\/li>\n<\/ul>\n<p>\u786e\u4fdd\u5b9a\u671f\u6267\u884c\u66f4\u65b0\u64cd\u4f5c\uff0c\u5e76\u53ca\u65f6\u5b89\u88c5\u5b89\u5168\u8865\u4e01\uff0c\u4ee5\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<ol>\n<li>\u7981\u7528\u4e0d\u9700\u8981\u7684\u670d\u52a1<\/li>\n<\/ol>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cLinux\u53d1\u884c\u7248\u53ef\u80fd\u4f1a\u4ee5\u5f00\u542f\u4e86\u4e00\u4e9b\u4e0d\u9700\u8981\u7684\u670d\u52a1\u7684\u65b9\u5f0f\u5b89\u88c5\u3002\u8fd9\u4e9b\u4e0d\u9700\u8981\u7684\u670d\u52a1\u53ef\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u6216\u98ce\u9669\u3002\u901a\u8fc7\u7981\u7528\u4e0d\u9700\u8981\u7684\u670d\u52a1\uff0c\u53ef\u4ee5\u51cf\u5c11\u653b\u51fb\u9762\u5e76\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7981\u7528\u670d\u52a1\u7684\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>Ubuntu\/Debian\uff1asudo systemctl disable  <\/li>\n<li>CentOS\/RHEL\uff1asudo systemctl disable  <\/li>\n<li>Arch Linux\uff1asudo systemctl disable  <\/li>\n<\/ul>\n<ol>\n<li>\u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55<\/li>\n<\/ol>\n<p>\u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55\u53ef\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u76f8\u5bf9\u4e8e\u4f20\u7edf\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u767b\u5f55\u65b9\u5f0f\uff0cSSH\u5bc6\u94a5\u63d0\u4f9b\u4e86\u66f4\u5f3a\u7684\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u8bbe\u7f6eSSH\u5bc6\u94a5\u767b\u5f55\u7684\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u751f\u6210SSH\u5bc6\u94a5\u5bf9\uff1assh-keygen -t rsa<\/li>\n<li>\u5c06\u516c\u94a5\u590d\u5236\u5230\u670d\u52a1\u5668\uff1assh-copy-id  @   <\/li>\n<li>\u4fee\u6539SSH\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6\uff1asudo vi \/etc\/ssh\/sshd_config<\/li>\n<li>\u5c06\u5bc6\u7801\u767b\u5f55\u7981\u7528\uff1a\u5c06PasswordAuthentication yes\u6539\u4e3aPasswordAuthentication no\u5e76\u4fdd\u5b58\u6587\u4ef6<\/li>\n<li>\u91cd\u65b0\u542f\u52a8SSH\u670d\u52a1\uff1asudo systemctl restart sshd<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u57fa\u4e8e\u5bc6\u7801\u7684Brute Force\u653b\u51fb\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<p>\u4fdd\u62a4Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u52aa\u529b\u8fc7\u7a0b\u3002\u901a\u8fc7\u4f7f\u7528\u9632\u706b\u5899\u3001\u5f3a\u5bc6\u7801\u3001\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\u3001\u7981\u7528\u4e0d\u9700\u8981\u7684\u670d\u52a1\u4ee5\u53ca\u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u6b64\u5916\uff0c\u5b9a\u671f\u5907\u4efd\u670d\u52a1\u5668\u6570\u636e\u548c\u8bbe\u5b9a\u65e5\u5fd7\u76d1\u63a7\u4e5f\u662f\u5fc5\u8981\u7684\u5b89\u5168\u63aa\u65bd\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u63d0\u9ad8Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u76845\u4e2a\u5173\u952e\u547d\u4ee4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5f53\u4eca\u6570\u5b57\u65f6\u4ee3\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u7279\u522b\u662f\u5bf9\u4e8e\u4f7f\u7528Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u670d\u52a1\u5668\u6765\u8bf4\uff0c\u63d0\u9ad8\u5176\u5b89\u5168\u6027\u662f\u4e00\u4e2a\u4e0d\u53ef\u5ffd\u89c6\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd5\u4e2a\u5173\u952e\u547d\u4ee4\uff0c\u53ef\u4ee5\u5e2e\u52a9\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002 \u4f7f\u7528\u9632\u706b\u5899 \u9632\u706b\u5899\u53ef\u4ee5\u8fc7\u6ee4\u7f51\u7edc\u6d41\u91cf\uff0c\u9650\u5236\u5bf9\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u3002\u5728Linux\u4e2d\uff0ciptables\u547d\u4ee4\u7528\u4e8e\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684iptables\u547d\u4ee4\uff1a \u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u6216IP\u5730\u5740\u8303\u56f4\u8bbf\u95ee\u670d\u52a1\u5668\uff1aiptables -A INPUT -s -j ACCEPT \u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u8bbf\u95ee\uff1aiptables -A INPUT -p tcp &#8211;dport -j ACCEPT \u7981\u6b62\u6240\u6709\u5165\u7ad9\u6d41\u91cf\uff1aiptables -P INPUT DROP \u67e5\u770b\u5f53\u524d\u9632\u706b\u5899\u89c4\u5219\uff1aiptables -L \u914d\u7f6e\u9002\u5f53\u7684\u9632\u706b\u5899\u89c4\u5219\u53ef\u4ee5\u9650\u5236\u5bf9\u670d\u52a1\u5668\u7684\u4e0d\u5fc5\u8981\u8bbf\u95ee\uff0c\u5e76\u963b\u6b62\u6f5c\u5728\u7684\u653b\u51fb\u3002 \u4f7f\u7528\u5f3a\u5bc6\u7801 \u5f31\u5bc6\u7801\u662f\u88ab\u9ed1\u5ba2\u653b\u51fb\u7684\u4e00\u4e2a\u4e3b\u8981\u5165\u53e3\u3002\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u4f7f\u7528passwd\u547d\u4ee4\u53ef\u4ee5\u66f4\u6539\u7528\u6237\u5bc6\u7801\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u521b\u5efa\u5f3a\u5bc6\u7801\u7684\u5efa\u8bae\uff1a \u5bc6\u7801\u957f\u5ea6\u81f3\u5c118\u4e2a\u5b57\u7b26 \u4f7f\u7528\u5927\u5199\u548c\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u7279\u6b8a\u5b57\u7b26\u7684\u7ec4\u5408 \u907f\u514d\u4f7f\u7528\u5e38\u89c1\u5bc6\u7801\uff0c\u5982&#8221;password&#8221;\u6216&#8221;123456&#8243; \u540c\u65f6\uff0c\u5b9a\u671f\u66f4\u6539\u5bc6\u7801\u4e5f\u662f\u7ef4\u62a4\u670d\u52a1\u5668\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002 \u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6 \u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\u662f\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u7684\u5173\u952e\u6b65\u9aa4\u3002\u901a\u8fc7\u66f4\u65b0\u64cd\u4f5c\u7cfb\u7edf\u548c\u8f6f\u4ef6\uff0c\u53ef\u4ee5\u4fee\u590d\u5df2\u77e5\u7684\u6f0f\u6d1e\u548c\u5b89\u5168\u95ee\u9898\u3002\u5728Linux\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\uff1a Ubuntu\/Debian\uff1asudo apt update &amp;&amp; sudo apt upgrade CentOS\/RHEL\uff1asudo yum update Arch Linux\uff1asudo pacman -Syu \u786e\u4fdd\u5b9a\u671f\u6267\u884c\u66f4\u65b0\u64cd\u4f5c\uff0c\u5e76\u53ca\u65f6\u5b89\u88c5\u5b89\u5168\u8865\u4e01\uff0c\u4ee5\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002 \u7981\u7528\u4e0d\u9700\u8981\u7684\u670d\u52a1 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cLinux\u53d1\u884c\u7248\u53ef\u80fd\u4f1a\u4ee5\u5f00\u542f\u4e86\u4e00\u4e9b\u4e0d\u9700\u8981\u7684\u670d\u52a1\u7684\u65b9\u5f0f\u5b89\u88c5\u3002\u8fd9\u4e9b\u4e0d\u9700\u8981\u7684\u670d\u52a1\u53ef\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u6216\u98ce\u9669\u3002\u901a\u8fc7\u7981\u7528\u4e0d\u9700\u8981\u7684\u670d\u52a1\uff0c\u53ef\u4ee5\u51cf\u5c11\u653b\u51fb\u9762\u5e76\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7981\u7528\u670d\u52a1\u7684\u547d\u4ee4\u793a\u4f8b\uff1a Ubuntu\/Debian\uff1asudo systemctl disable CentOS\/RHEL\uff1asudo systemctl disable [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-62505","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=62505"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62505\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}