{"id":16933,"date":"2024-11-18T11:43:34","date_gmt":"2024-11-18T03:43:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16933\/"},"modified":"2024-11-18T11:43:34","modified_gmt":"2024-11-18T03:43:34","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7%e4%bf%9d%e6%8a%a4%e4%bd%a0%e7%9a%84linux%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16933\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/465\/014\/169422037054476.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u63d2\u56fe\" alt=\"\u5982\u4f55\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u63d2\u56fe\" \/><\/p>\n<p>\u5982\u4f55\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668<\/p>\n<p>Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\uff0c\u5b83\u4eec\u901a\u5e38\u627f\u8f7d\u7740\u91cd\u8981\u7684\u5e94\u7528\u7a0b\u5e8f\u548c\u6570\u636e\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u6765\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u662f\u4e00\u79cd\u7b80\u5355\u800c\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\uff0c\u4ee5\u5e2e\u52a9\u4f60\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528iptables\u8fdb\u884c\u9632\u706b\u5899\u914d\u7f6e<\/li>\n<\/ol>\n<p>iptables\u662fLinux\u670d\u52a1\u5668\u4e0a\u7528\u4e8e\u914d\u7f6e\u9632\u706b\u5899\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\u901a\u8fc7\u5141\u8bb8\u6216\u62d2\u7edd\u7279\u5b9a\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u4f60\u53ef\u4ee5\u4fdd\u62a4\u4f60\u7684\u670d\u52a1\u5668\u514d\u53d7\u6076\u610f\u6d41\u91cf\u7684\u653b\u51fb\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684iptables\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>\u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u7684\u8bbf\u95ee<\/li>\n<\/ul>\n<pre>iptables -A INPUT -s 192.168.0.1 -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u62d2\u7edd\u7279\u5b9a\u7684IP\u5730\u5740\u8bbf\u95ee<\/li>\n<\/ul>\n<pre>iptables -A INPUT -s 192.168.0.2 -j DROP<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u7684\u8bbf\u95ee<\/li>\n<\/ul>\n<pre>iptables -A INPUT -p tcp --dport 22 -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u62d2\u7edd\u7279\u5b9a\u7aef\u53e3\u7684\u8bbf\u95ee<\/li>\n<\/ul>\n<pre>iptables -A INPUT -p tcp --dport 23 -j DROP<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u4f7f\u7528fail2ban\u8fdb\u884c\u5165\u4fb5\u68c0\u6d4b\u548c\u9884\u9632<\/li>\n<\/ol>\n<p>fail2ban\u662f\u4e00\u4e2a\u7528\u4e8e\u68c0\u6d4b\u5e76\u963b\u6b62\u6076\u610fIP\u5730\u5740\u7684\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u76d1\u63a7\u767b\u5f55\u5c1d\u8bd5\u5e76\u901a\u8fc7iptables\u963b\u6b62\u6076\u610fIP\u7684\u767b\u5f55\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528fail2ban\u914d\u7f6e\u9632\u62a4SSH\u7684\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>\u5b89\u88c5fail2ban<\/li>\n<\/ul>\n<pre>sudo apt-get install fail2ban<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u7f16\u8f91fail2ban\u7684\u914d\u7f6e\u6587\u4ef6<\/li>\n<\/ul>\n<pre>sudo vi \/etc\/fail2ban\/jail.conf<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u6253\u5f00SSH\u4fdd\u62a4\u7684\u914d\u7f6e<\/li>\n<\/ul>\n<pre>[sshd]\nenabled = true\nport = ssh\nfilter = sshd\nlogpath = \/var\/log\/auth.log\nmaxretry = 3<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u542f\u52a8fail2ban\u670d\u52a1<\/li>\n<\/ul>\n<pre>sudo systemctl start fail2ban<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u4f7f\u7528ssh-keygen\u751f\u6210SSH\u5bc6\u94a5<\/li>\n<\/ol>\n<p>\u4f7f\u7528SSH\u5bc6\u94a5\u4f5c\u4e3a\u8eab\u4efd\u9a8c\u8bc1\u65b9\u5f0f\u6bd4\u4f7f\u7528\u5bc6\u7801\u66f4\u52a0\u5b89\u5168\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528ssh-keygen\u547d\u4ee4\u751f\u6210\u4e00\u5bf9\u5bc6\u94a5\uff1a\u79c1\u94a5\u548c\u516c\u94a5\u3002\u5c06\u516c\u94a5\u90e8\u7f72\u5230\u670d\u52a1\u5668\u4e0a\uff0c\u5e76\u5c06\u79c1\u94a5\u4fdd\u5b58\u5728\u672c\u5730\u3002<\/p>\n<ul>\n<li>\u751f\u6210SSH\u5bc6\u94a5\u5bf9<\/li>\n<\/ul>\n<pre>ssh-keygen -t rsa -b 4096 -C \"your_email@example.com\"<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u5c06\u516c\u94a5\u590d\u5236\u5230\u670d\u52a1\u5668\u4e0a<\/li>\n<\/ul>\n<pre>ssh-copy-id -i ~\/.ssh\/id_rsa.pub user@server<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u73b0\u5728\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u79c1\u94a5\u901a\u8fc7SSH\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u800c\u65e0\u9700\u8f93\u5165\u5bc6\u7801\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528htpasswd\u521b\u5efa\u57fa\u672c\u8ba4\u8bc1<\/li>\n<\/ol>\n<p>\u5982\u679c\u4f60\u4ec5\u5e0c\u671b\u7279\u5b9a\u7528\u6237\u624d\u80fd\u8bbf\u95ee\u4f60\u7684\u7f51\u7ad9\u6216\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528htpasswd\u5de5\u5177\u521b\u5efa\u57fa\u672c\u8ba4\u8bc1\u3002<\/p>\n<ul>\n<li>\u5b89\u88c5apache2-utils\uff08\u5305\u542bhtpasswd\uff09<\/li>\n<\/ul>\n<pre>sudo apt-get install apache2-utils<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u7528\u6237<\/li>\n<\/ul>\n<pre>sudo htpasswd -c \/etc\/apache2\/.htpasswd user1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ul>\n<li>\u5c06.htpasswd\u6587\u4ef6\u4e0e\u4f60\u8981\u4fdd\u62a4\u7684\u76ee\u5f55\u6216\u5e94\u7528\u7a0b\u5e8f\u76f8\u5173\u8054\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u6837\uff0c\u53ea\u6709\u62e5\u6709\u6709\u6548\u7528\u6237\u540d\u548c\u5bc6\u7801\u7684\u7528\u6237\u624d\u80fd\u8bbf\u95ee\u8be5\u76ee\u5f55\u6216\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u6765\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\uff0c\u4f60\u53ef\u4ee5\u589e\u5f3a\u5b83\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5305\u62eciptables\u3001fail2ban\u3001ssh-keygen\u548chtpasswd\u3002\u901a\u8fc7\u6b63\u786e\u914d\u7f6e\u548c\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\uff0c\u4f60\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u62a4\u4f60\u7684\u670d\u52a1\u5668\u514d\u53d7\u6076\u610f\u653b\u51fb\u548c\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/p>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u826f\u597d\u7684\u5b89\u5168\u5b9e\u8df5\u662f\u6301\u7eed\u4e0d\u65ad\u7684\u8fc7\u7a0b\uff0c\u4f60\u5e94\u8be5\u7ecf\u5e38\u66f4\u65b0\u4f60\u7684\u670d\u52a1\u5668\uff0c\u5e76\u5b9a\u671f\u68c0\u67e5\u548c\u5ba1\u67e5\u5b89\u5168\u8bbe\u7f6e\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668 Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\uff0c\u5b83\u4eec\u901a\u5e38\u627f\u8f7d\u7740\u91cd\u8981\u7684\u5e94\u7528\u7a0b\u5e8f\u548c\u6570\u636e\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u6765\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u662f\u4e00\u79cd\u7b80\u5355\u800c\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\uff0c\u4ee5\u5e2e\u52a9\u4f60\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u3002 \u4f7f\u7528iptables\u8fdb\u884c\u9632\u706b\u5899\u914d\u7f6e iptables\u662fLinux\u670d\u52a1\u5668\u4e0a\u7528\u4e8e\u914d\u7f6e\u9632\u706b\u5899\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\u901a\u8fc7\u5141\u8bb8\u6216\u62d2\u7edd\u7279\u5b9a\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u4f60\u53ef\u4ee5\u4fdd\u62a4\u4f60\u7684\u670d\u52a1\u5668\u514d\u53d7\u6076\u610f\u6d41\u91cf\u7684\u653b\u51fb\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684iptables\u547d\u4ee4\u793a\u4f8b\uff1a \u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u7684\u8bbf\u95ee iptables -A INPUT -s 192.168.0.1 -j ACCEPT \u767b\u5f55\u540e\u590d\u5236 \u62d2\u7edd\u7279\u5b9a\u7684IP\u5730\u5740\u8bbf\u95ee iptables -A INPUT -s 192.168.0.2 -j DROP \u767b\u5f55\u540e\u590d\u5236 \u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u7684\u8bbf\u95ee iptables -A INPUT -p tcp &#8211;dport 22 -j ACCEPT \u767b\u5f55\u540e\u590d\u5236 \u62d2\u7edd\u7279\u5b9a\u7aef\u53e3\u7684\u8bbf\u95ee iptables -A INPUT -p tcp &#8211;dport 23 -j DROP \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528fail2ban\u8fdb\u884c\u5165\u4fb5\u68c0\u6d4b\u548c\u9884\u9632 fail2ban\u662f\u4e00\u4e2a\u7528\u4e8e\u68c0\u6d4b\u5e76\u963b\u6b62\u6076\u610fIP\u5730\u5740\u7684\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u76d1\u63a7\u767b\u5f55\u5c1d\u8bd5\u5e76\u901a\u8fc7iptables\u963b\u6b62\u6076\u610fIP\u7684\u767b\u5f55\u3002 \u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528fail2ban\u914d\u7f6e\u9632\u62a4SSH\u7684\u793a\u4f8b\uff1a \u5b89\u88c5fail2ban sudo apt-get install fail2ban \u767b\u5f55\u540e\u590d\u5236 \u7f16\u8f91fail2ban\u7684\u914d\u7f6e\u6587\u4ef6 [&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-16933","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16933","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=16933"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16933\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}