{"id":16894,"date":"2024-11-18T12:54:09","date_gmt":"2024-11-18T04:54:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16894\/"},"modified":"2024-11-18T12:54:09","modified_gmt":"2024-11-18T04:54:09","slug":"%e9%80%9a%e8%bf%87%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7%e5%8a%a0%e5%9b%ba%e4%bd%a0%e7%9a%84linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e6%80%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16894\/","title":{"rendered":"\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u52a0\u56fa\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u6027"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/169415220699343.jpg\" class=\"aligncenter\" title=\"\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u52a0\u56fa\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u63d2\u56fe\" alt=\"\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u52a0\u56fa\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u63d2\u56fe\" \/><\/p>\n<p>\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u52a0\u56fa\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u6027<\/p>\n<p>\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u4efb\u4f55\u7f51\u7ad9\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u91cd\u8981\u4fdd\u969c\u3002Linux\u670d\u52a1\u5668\u4f5c\u4e3a\u6700\u53d7\u6b22\u8fce\u7684\u9009\u62e9\u4e4b\u4e00\uff0c\u5176\u5b89\u5168\u6027\u4e5f\u6210\u4e3a\u5927\u5bb6\u5173\u6ce8\u7684\u7126\u70b9\u3002\u4e3a\u4e86\u52a0\u5f3a\u4f60\u7684Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u6765\u8fdb\u884c\u52a0\u56fa\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\u53ca\u5176\u4f7f\u7528\u793a\u4f8b\uff0c\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u52a0\u56fa\u4f60\u7684\u670d\u52a1\u5668\u3002<\/p>\n<ol>\n<li>Fail2Ban<br \/>Fail2Ban\u662f\u4e00\u4e2a\u7528\u4e8e\u9632\u6b62\u6076\u610f\u767b\u5f55\u548cDDoS\u653b\u51fb\u7b49\u7684\u5de5\u5177\u3002\u5b83\u901a\u8fc7\u76d1\u63a7\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u68c0\u6d4b\u5230\u591a\u6b21\u767b\u5f55\u5931\u8d25\u6216\u6076\u610f\u884c\u4e3a\u540e\uff0c\u81ea\u52a8\u5c06\u653b\u51fb\u8005\u7684IP\u5730\u5740\u52a0\u5165\u963b\u6b62\u8bbf\u95ee\u5217\u8868\uff0c\u4ece\u800c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002<\/li>\n<\/ol>\n<p>\u5b89\u88c5Fail2Ban\uff1a<\/p>\n<pre>sudo apt-get install fail2ban<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u914d\u7f6eFail2Ban\uff1a<\/p>\n<pre>sudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local\nsudo vi \/etc\/fail2ban\/jail.local<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4fee\u6539\u4e00\u4e9b\u53c2\u6570\uff0c\u4f8b\u5982\u8bbe\u7f6e\u76d1\u63a7\u65e5\u5fd7\u6587\u4ef6\u7684\u4f4d\u7f6e\u3001\u6700\u5927\u767b\u5f55\u5931\u8d25\u6b21\u6570\u3001\u5c01\u7981\u65f6\u95f4\u7b49\u3002\u5b8c\u6210\u540e\uff0c\u91cd\u542fFail2Ban\u670d\u52a1\uff1a<\/p>\n<pre>sudo service fail2ban restart<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>SSH\u914d\u7f6e<br \/>SSH\uff08Secure Shell\uff09\u662f\u670d\u52a1\u5668\u8fdc\u7a0b\u767b\u5f55\u7684\u5e38\u7528\u5de5\u5177\u3002\u4e3a\u4e86\u589e\u5f3aSSH\u7684\u5b89\u5168\u6027\uff0c\u4f60\u53ef\u4ee5\u4fee\u6539SSH\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u9650\u5236\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u548c\u7981\u7528root\u7528\u6237\u767b\u5f55\u3002<\/li>\n<\/ol>\n<p>\u7f16\u8f91SSH\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<pre>sudo vi \/etc\/ssh\/sshd_config<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5c06\u4ee5\u4e0b\u53c2\u6570\u7684\u503c\u4fee\u6539\u4e3a\u6240\u9700\u7684\u5b89\u5168\u8bbe\u7f6e\uff1a<\/p>\n<pre>PermitRootLogin no  #\u7981\u7528root\u7528\u6237\u767b\u5f55\nMaxAuthTries 3  #\u9650\u5236\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4fdd\u5b58\u914d\u7f6e\u6587\u4ef6\u5e76\u91cd\u542fSSH\u670d\u52a1\uff1a<\/p>\n<pre>sudo service sshd restart<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>IPTables<br \/>IPTables\u662fLinux\u7cfb\u7edf\u7684\u9ed8\u8ba4\u9632\u706b\u5899\u5de5\u5177\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u89c4\u5219\u6765\u9650\u5236\u5bf9\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528IPTables\u6765\u5c4f\u853d\u7279\u5b9a\u7684IP\u5730\u5740\u3001\u7aef\u53e3\u6216\u534f\u8bae\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ol>\n<p>\u6dfb\u52a0IPTables\u89c4\u5219\uff1a<\/p>\n<pre>sudo iptables -A INPUT -s &lt;ip&gt; -j DROP&lt;\/ip&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4f8b\u5982\uff0c\u8981\u5c4f\u853dIP\u5730\u5740\u4e3a 192.168.1.100 \u7684\u8bbf\u95ee\uff1a<\/p>\n<pre>sudo iptables -A INPUT -s 192.168.1.100 -j DROP<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7684IPTables\u89c4\u5219\uff1a<\/p>\n<pre>sudo iptables -L<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>Lynis<br \/>Lynis\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5b89\u5168\u6027\u5ba1\u8ba1\u5de5\u5177\uff0c\u7528\u4e8e\u68c0\u67e5\u548c\u8bc4\u4f30Linux\u7cfb\u7edf\u4e0a\u7684\u5b89\u5168\u98ce\u9669\u3002\u5b83\u53ef\u4ee5\u626b\u63cf\u7cfb\u7edf\u4e2d\u7684\u914d\u7f6e\u6587\u4ef6\u3001\u8fdb\u7a0b\u3001\u7528\u6237\u7b49\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u5efa\u8bae\u548c\u4fee\u590d\u5efa\u8bae\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Lynis\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n<p>\u5b89\u88c5Lynis\uff1a<\/p>\n<pre>sudo apt-get install lynis<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8fd0\u884cLynis\u626b\u63cf\uff1a<\/p>\n<pre>sudo lynis audit system<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>Lynis\u5c06\u626b\u63cf\u4f60\u7684\u7cfb\u7edf\uff0c\u5e76\u8f93\u51fa\u4e00\u4e2a\u8be6\u7ec6\u7684\u62a5\u544a\uff0c\u5305\u542b\u53d1\u73b0\u7684\u5b89\u5168\u95ee\u9898\u548c\u5efa\u8bae\u7684\u4fee\u590d\u65b9\u6cd5\u3002<\/p>\n<p>\u603b\u7ed3<br \/>\u4ee5\u4e0a\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\uff0c\u4f60\u53ef\u4ee5\u52a0\u56fa\u4f60\u7684Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u7136\u800c\uff0c\u8fd9\u53ea\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u4f60\u8fd8\u9700\u8981\u5b9a\u671f\u66f4\u65b0\u64cd\u4f5c\u7cfb\u7edf\u548c\u8f6f\u4ef6\u3001\u4f7f\u7528\u590d\u6742\u7684\u5bc6\u7801\u3001\u5b9a\u671f\u5907\u4efd\u6570\u636e\u7b49\u3002\u53ea\u6709\u7efc\u5408\u4f7f\u7528\u591a\u79cd\u5b89\u5168\u63aa\u65bd\uff0c\u624d\u80fd\u66f4\u597d\u5730\u4fdd\u62a4\u4f60\u7684\u670d\u52a1\u5668\u548c\u6570\u636e\u4e0d\u53d7\u653b\u51fb\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u52a0\u56fa\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\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>\u901a\u8fc7\u547d\u4ee4\u884c\u5de5\u5177\u52a0\u56fa\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u6027 \u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u662f\u4efb\u4f55\u7f51\u7ad9\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u91cd\u8981\u4fdd\u969c\u3002Linux\u670d\u52a1\u5668\u4f5c\u4e3a\u6700\u53d7\u6b22\u8fce\u7684\u9009\u62e9\u4e4b\u4e00\uff0c\u5176\u5b89\u5168\u6027\u4e5f\u6210\u4e3a\u5927\u5bb6\u5173\u6ce8\u7684\u7126\u70b9\u3002\u4e3a\u4e86\u52a0\u5f3a\u4f60\u7684Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u6765\u8fdb\u884c\u52a0\u56fa\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\u53ca\u5176\u4f7f\u7528\u793a\u4f8b\uff0c\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u52a0\u56fa\u4f60\u7684\u670d\u52a1\u5668\u3002 Fail2BanFail2Ban\u662f\u4e00\u4e2a\u7528\u4e8e\u9632\u6b62\u6076\u610f\u767b\u5f55\u548cDDoS\u653b\u51fb\u7b49\u7684\u5de5\u5177\u3002\u5b83\u901a\u8fc7\u76d1\u63a7\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u68c0\u6d4b\u5230\u591a\u6b21\u767b\u5f55\u5931\u8d25\u6216\u6076\u610f\u884c\u4e3a\u540e\uff0c\u81ea\u52a8\u5c06\u653b\u51fb\u8005\u7684IP\u5730\u5740\u52a0\u5165\u963b\u6b62\u8bbf\u95ee\u5217\u8868\uff0c\u4ece\u800c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002 \u5b89\u88c5Fail2Ban\uff1a sudo apt-get install fail2ban \u767b\u5f55\u540e\u590d\u5236 \u914d\u7f6eFail2Ban\uff1a sudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local sudo vi \/etc\/fail2ban\/jail.local \u767b\u5f55\u540e\u590d\u5236 \u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4fee\u6539\u4e00\u4e9b\u53c2\u6570\uff0c\u4f8b\u5982\u8bbe\u7f6e\u76d1\u63a7\u65e5\u5fd7\u6587\u4ef6\u7684\u4f4d\u7f6e\u3001\u6700\u5927\u767b\u5f55\u5931\u8d25\u6b21\u6570\u3001\u5c01\u7981\u65f6\u95f4\u7b49\u3002\u5b8c\u6210\u540e\uff0c\u91cd\u542fFail2Ban\u670d\u52a1\uff1a sudo service fail2ban restart \u767b\u5f55\u540e\u590d\u5236 SSH\u914d\u7f6eSSH\uff08Secure Shell\uff09\u662f\u670d\u52a1\u5668\u8fdc\u7a0b\u767b\u5f55\u7684\u5e38\u7528\u5de5\u5177\u3002\u4e3a\u4e86\u589e\u5f3aSSH\u7684\u5b89\u5168\u6027\uff0c\u4f60\u53ef\u4ee5\u4fee\u6539SSH\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u9650\u5236\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u548c\u7981\u7528root\u7528\u6237\u767b\u5f55\u3002 \u7f16\u8f91SSH\u914d\u7f6e\u6587\u4ef6\uff1a sudo vi \/etc\/ssh\/sshd_config \u767b\u5f55\u540e\u590d\u5236 \u5c06\u4ee5\u4e0b\u53c2\u6570\u7684\u503c\u4fee\u6539\u4e3a\u6240\u9700\u7684\u5b89\u5168\u8bbe\u7f6e\uff1a PermitRootLogin no #\u7981\u7528root\u7528\u6237\u767b\u5f55 MaxAuthTries 3 #\u9650\u5236\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570 \u767b\u5f55\u540e\u590d\u5236 \u4fdd\u5b58\u914d\u7f6e\u6587\u4ef6\u5e76\u91cd\u542fSSH\u670d\u52a1\uff1a sudo service sshd restart \u767b\u5f55\u540e\u590d\u5236 IPTablesIPTables\u662fLinux\u7cfb\u7edf\u7684\u9ed8\u8ba4\u9632\u706b\u5899\u5de5\u5177\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u89c4\u5219\u6765\u9650\u5236\u5bf9\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528IPTables\u6765\u5c4f\u853d\u7279\u5b9a\u7684IP\u5730\u5740\u3001\u7aef\u53e3\u6216\u534f\u8bae\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002 \u6dfb\u52a0IPTables\u89c4\u5219\uff1a sudo iptables -A INPUT -s &lt;ip&gt; -j DROP&lt;\/ip&gt; [&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-16894","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16894","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=16894"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16894\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}