{"id":16102,"date":"2024-11-18T11:11:28","date_gmt":"2024-11-18T03:11:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16102\/"},"modified":"2024-11-18T11:11:28","modified_gmt":"2024-11-18T03:11:28","slug":"%e5%a6%82%e4%bd%95%e9%85%8d%e7%bd%aecentos%e7%b3%bb%e7%bb%9f%e4%bb%a5%e9%98%b2%e6%ad%a2%e6%81%b6%e6%84%8f%e8%bd%af%e4%bb%b6%e7%9a%84%e8%87%aa%e5%8a%a8%e5%ae%89%e8%a3%85","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16102\/","title":{"rendered":"\u5982\u4f55\u914d\u7f6eCentOS\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u81ea\u52a8\u5b89\u88c5"},"content":{"rendered":"<p>\u5982\u4f55\u914d\u7f6ecentos\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u81ea\u52a8\u5b89\u88c5<\/p>\n<p>\u6076\u610f\u8f6f\u4ef6\uff08Malware\uff09\u5bf9\u7cfb\u7edf\u7684\u5b89\u5168\u6784\u6210\u5a01\u80c1\uff0c\u56e0\u6b64\u5728\u914d\u7f6eCentOS\u7cfb\u7edf\u65f6\uff0c\u6211\u4eec\u9700\u8981\u91c7\u53d6\u4e00\u4e9b\u63aa\u65bd\u6765\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u81ea\u52a8\u5b89\u88c5\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u914d\u7f6e\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u4f9b\u53c2\u8003\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528SELinux<\/li>\n<\/ol>\n<p>SELinux\uff08Security Enhanced Linux\uff09\u662f\u4e00\u4e2a\u5b89\u5168\u6a21\u5757\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9650\u5236\u7cfb\u7edf\u4e2d\u7684\u6076\u610f\u8f6f\u4ef6\u8fd0\u884c\u3002\u901a\u8fc7\u914d\u7f6eSELinux\uff0c\u6211\u4eec\u53ef\u4ee5\u9650\u5236\u6076\u610f\u8f6f\u4ef6\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u914d\u7f6eSELinux\u7684\u6b65\u9aa4\uff1a<\/p>\n<p>1\uff09\u67e5\u770bSELinux\u72b6\u6001\uff1a<\/p>\n<pre>sestatus<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>2\uff09\u5f00\u542fSELinux\uff1a<\/p>\n<pre>setenforce 1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>3\uff09\u6c38\u4e45\u5f00\u542fSELinux\uff1a<\/p>\n<p>\u9996\u5148\uff0c\u4fee\u6539\/etc\/selinux\/config\u6587\u4ef6\uff0c\u5e76\u5c06SELINUX\u4e00\u884c\u7684\u503c\u6539\u4e3aenforcing\uff1a<\/p>\n<pre>vi \/etc\/selinux\/config<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    <\/p>\n<pre>SELINUX=enforcing<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7136\u540e\uff0c\u91cd\u542f\u7cfb\u7edf\uff1a<\/p>\n<pre>reboot<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u5b89\u88c5ClamAV<\/li>\n<\/ol>\n<p>ClamAV\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u53cd\u75c5\u6bd2\u5f15\u64ce\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u68c0\u6d4b\u548c\u5220\u9664\u6076\u610f\u8f6f\u4ef6\u3002\u4ee5\u4e0b\u662f\u5b89\u88c5\u548c\u914d\u7f6eClamAV\u7684\u6b65\u9aa4\uff1a<\/p>\n<p>1\uff09\u5b89\u88c5ClamAV\uff1a<\/p>\n<pre>yum install clamav clamav-update<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>2\uff09\u66f4\u65b0\u75c5\u6bd2\u6570\u636e\u5e93\uff1a<\/p>\n<pre>freshclam<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>3\uff09\u914d\u7f6e\u5b9e\u65f6\u626b\u63cf\uff1a<\/p>\n<p>\u7f16\u8f91\/etc\/freshclam.conf\u6587\u4ef6\uff0c\u5c06\u4ee5\u4e0b\u4e24\u884c\u7684\u6ce8\u91ca\u7b26\u53bb\u6389\uff0c\u5e76\u4fdd\u5b58\uff1a<\/p>\n<pre>Foreground yes\nDatabaseMirror database.clamav.net<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7136\u540e\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>freshclam -d<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>4\uff09\u914d\u7f6e\u5b9a\u65f6\u626b\u63cf\uff1a<\/p>\n<p>\u7f16\u8f91\/etc\/crontab\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre>0 0 * * * root \/usr\/bin\/clamscan -r --move=\/tmp\/ \/home<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u8868\u793a\u6bcf\u5929\u51cc\u66680\u70b9\u8fdb\u884c\u5168\u76d8\u626b\u63cf\uff0c\u5c06\u53d1\u73b0\u7684\u6076\u610f\u8f6f\u4ef6\u79fb\u52a8\u5230\/tmp\u76ee\u5f55\u4e0b\u3002\u5982\u9700\u6307\u5b9a\u5176\u4ed6\u76ee\u5f55\uff0c\u8bf7\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u4fee\u6539\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528iptables\u9632\u706b\u5899<\/li>\n<\/ol>\n<p>iptables\u662fLinux\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u7528\u4e8e\u914d\u7f6e\u5185\u6838\u9632\u706b\u5899\u89c4\u5219\u7684\u5de5\u5177\u3002\u901a\u8fc7\u914d\u7f6eiptables\uff0c\u6211\u4eec\u53ef\u4ee5\u9650\u5236\u8fdb\u5165\u548c\u79bb\u5f00\u7cfb\u7edf\u7684\u6d41\u91cf\uff0c\u4ece\u800c\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u4f20\u64ad\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684iptables\u89c4\u5219\u793a\u4f8b\uff1a<\/p>\n<p>1\uff09\u7981\u6b62\u6240\u6709\u8fdb\u5165\u7684\u8fde\u63a5\uff1a<\/p>\n<pre>iptables -P INPUT DROP<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>2\uff09\u5141\u8bb8\u6240\u6709\u8f93\u51fa\u8fde\u63a5\uff1a<\/p>\n<pre>iptables -P OUTPUT ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>3\uff09\u5141\u8bb8\u5df2\u5efa\u7acb\u7684\u8fde\u63a5\u548c\u76f8\u5173\u7684\u6570\u636e\u5305\uff1a<\/p>\n<pre>iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>4\uff09\u5141\u8bb8\u672c\u5730\u56de\u73af\uff1a<\/p>\n<pre>iptables -A INPUT -i lo -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>5\uff09\u5141\u8bb8SSH\u8fde\u63a5\uff1a<\/p>\n<pre>iptables -A INPUT -p tcp --dport 22 -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>6\uff09\u5141\u8bb8HTTP\u548cHTTPS\u8fde\u63a5\uff1a<\/p>\n<pre>iptables -A INPUT -p tcp --dport 80 -j ACCEPT\niptables -A INPUT -p tcp --dport 443 -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u89c4\u5219\u53ea\u662f\u793a\u4f8b\uff0c\u5177\u4f53\u7684iptables\u89c4\u5219\u5e94\u6839\u636e\u7cfb\u7edf\u9700\u6c42\u548c\u7f51\u7edc\u73af\u5883\u8fdb\u884c\u5b9a\u5236\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<p>\u901a\u8fc7\u914d\u7f6eSELinux\u3001\u5b89\u88c5ClamAV\u548c\u8bbe\u7f6eiptables\u89c4\u5219\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62CentOS\u7cfb\u7edf\u4e2d\u6076\u610f\u8f6f\u4ef6\u7684\u81ea\u52a8\u5b89\u88c5\u3002\u5f53\u7136\uff0c\u8fd9\u4e9b\u63aa\u65bd\u53ea\u662f\u57fa\u672c\u9632\u62a4\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u548c\u8f6f\u4ef6\uff0c\u4fdd\u6301\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5bf9\u4e0a\u8ff0\u914d\u7f6e\u8fdb\u884c\u8c03\u6574\u548c\u4f18\u5316\u3002<\/p>\n<p>\u4ee5\u4e0a\u8ff0\u65b9\u6cd5\u4e3a\u4f9d\u636e\uff0c\u5c06CentOS\u7cfb\u7edf\u914d\u7f6e\u4e3a\u4e00\u4e2a\u76f8\u5bf9\u5b89\u5168\u7684\u7cfb\u7edf\uff0c\u6709\u6548\u5730\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\uff0c\u9632\u8303\u6076\u610f\u8f6f\u4ef6\u5bf9\u7cfb\u7edf\u7684\u653b\u51fb\u548c\u5a01\u80c1\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u914d\u7f6eCentOS\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u81ea\u52a8\u5b89\u88c5\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\u914d\u7f6ecentos\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u81ea\u52a8\u5b89\u88c5 \u6076\u610f\u8f6f\u4ef6\uff08Malware\uff09\u5bf9\u7cfb\u7edf\u7684\u5b89\u5168\u6784\u6210\u5a01\u80c1\uff0c\u56e0\u6b64\u5728\u914d\u7f6eCentOS\u7cfb\u7edf\u65f6\uff0c\u6211\u4eec\u9700\u8981\u91c7\u53d6\u4e00\u4e9b\u63aa\u65bd\u6765\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u7684\u81ea\u52a8\u5b89\u88c5\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u914d\u7f6e\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u4f9b\u53c2\u8003\u3002 \u4f7f\u7528SELinux SELinux\uff08Security Enhanced Linux\uff09\u662f\u4e00\u4e2a\u5b89\u5168\u6a21\u5757\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9650\u5236\u7cfb\u7edf\u4e2d\u7684\u6076\u610f\u8f6f\u4ef6\u8fd0\u884c\u3002\u901a\u8fc7\u914d\u7f6eSELinux\uff0c\u6211\u4eec\u53ef\u4ee5\u9650\u5236\u6076\u610f\u8f6f\u4ef6\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u914d\u7f6eSELinux\u7684\u6b65\u9aa4\uff1a 1\uff09\u67e5\u770bSELinux\u72b6\u6001\uff1a sestatus \u767b\u5f55\u540e\u590d\u5236 2\uff09\u5f00\u542fSELinux\uff1a setenforce 1 \u767b\u5f55\u540e\u590d\u5236 3\uff09\u6c38\u4e45\u5f00\u542fSELinux\uff1a \u9996\u5148\uff0c\u4fee\u6539\/etc\/selinux\/config\u6587\u4ef6\uff0c\u5e76\u5c06SELINUX\u4e00\u884c\u7684\u503c\u6539\u4e3aenforcing\uff1a vi \/etc\/selinux\/config \u767b\u5f55\u540e\u590d\u5236 SELINUX=enforcing \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u91cd\u542f\u7cfb\u7edf\uff1a reboot \u767b\u5f55\u540e\u590d\u5236 \u5b89\u88c5ClamAV ClamAV\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u53cd\u75c5\u6bd2\u5f15\u64ce\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u68c0\u6d4b\u548c\u5220\u9664\u6076\u610f\u8f6f\u4ef6\u3002\u4ee5\u4e0b\u662f\u5b89\u88c5\u548c\u914d\u7f6eClamAV\u7684\u6b65\u9aa4\uff1a 1\uff09\u5b89\u88c5ClamAV\uff1a yum install clamav clamav-update \u767b\u5f55\u540e\u590d\u5236 2\uff09\u66f4\u65b0\u75c5\u6bd2\u6570\u636e\u5e93\uff1a freshclam \u767b\u5f55\u540e\u590d\u5236 3\uff09\u914d\u7f6e\u5b9e\u65f6\u626b\u63cf\uff1a \u7f16\u8f91\/etc\/freshclam.conf\u6587\u4ef6\uff0c\u5c06\u4ee5\u4e0b\u4e24\u884c\u7684\u6ce8\u91ca\u7b26\u53bb\u6389\uff0c\u5e76\u4fdd\u5b58\uff1a Foreground yes DatabaseMirror database.clamav.net \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a freshclam -d \u767b\u5f55\u540e\u590d\u5236 4\uff09\u914d\u7f6e\u5b9a\u65f6\u626b\u63cf\uff1a \u7f16\u8f91\/etc\/crontab\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a 0 0 * * * root \/usr\/bin\/clamscan -r [&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-16102","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16102","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=16102"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16102\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}