{"id":16069,"date":"2024-11-18T12:34:21","date_gmt":"2024-11-18T04:34:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16069\/"},"modified":"2024-11-18T12:34:21","modified_gmt":"2024-11-18T04:34:21","slug":"%e5%a6%82%e4%bd%95%e8%ae%be%e7%bd%aecentos%e7%b3%bb%e7%bb%9f%e4%bb%a5%e9%98%b2%e6%ad%a2%e6%81%b6%e6%84%8f%e4%bb%a3%e7%a0%81%e7%9a%84%e8%87%aa%e5%8a%a8%e6%89%a7%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16069\/","title":{"rendered":"\u5982\u4f55\u8bbe\u7f6eCentOS\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c"},"content":{"rendered":"<p>\u5982\u4f55\u8bbe\u7f6ecentos\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c<\/p>\n<p>\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c\u662f\u8ba1\u7b97\u673a\u7cfb\u7edf\u5b89\u5168\u4e2d\u4e00\u9879\u91cd\u8981\u7684\u9632\u8303\u5de5\u4f5c\u3002CentOS\u7cfb\u7edf\u4f5c\u4e3a\u4e00\u79cd\u5e38\u7528\u7684Linux\u53d1\u884c\u7248\uff0c\u6709\u5f88\u591a\u81ea\u5e26\u7684\u5b89\u5168\u529f\u80fd\uff0c\u4f46\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u989d\u5916\u7684\u8bbe\u7f6e\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u8bbe\u7f6e\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u4f9b\u53c2\u8003\u3002<\/p>\n<ol>\n<li>\u5b89\u88c5\u5e76\u66f4\u65b0\u7cfb\u7edf<\/li>\n<\/ol>\n<p>\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u7684CentOS\u7cfb\u7edf\u662f\u6700\u65b0\u7248\u672c\u3002\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u66f4\u65b0\u7cfb\u7edf\uff1a<\/p>\n<pre>sudo yum update<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u83b7\u53d6\u6700\u65b0\u7684\u5b89\u5168\u8865\u4e01\u548c\u66f4\u65b0\u3002\u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u662f\u4fdd\u6301\u7cfb\u7edf\u5b89\u5168\u7684\u91cd\u8981\u4e00\u73af\u3002<\/p>\n<ol>\n<li>\u914d\u7f6eiptables\u9632\u706b\u5899<\/li>\n<\/ol>\n<p>iptables\u662fLinux\u7cfb\u7edf\u4e2d\u7684\u6807\u51c6\u9632\u706b\u5899\u5de5\u5177\uff0c\u53ef\u4ee5\u8fc7\u6ee4\u548c\u7ba1\u7406\u7f51\u7edc\u6570\u636e\u5305\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u6765\u9650\u5236\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c\u3002<\/p>\n<p>\u4e3a\u9632\u6b62\u5916\u90e8\u8ba1\u7b97\u673a\u8bbf\u95eeCentOS\u7cfb\u7edf\u4e0a\u7684\u670d\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5173\u95ed\u6240\u6709\u5165\u7ad9\u8fde\u63a5\u5e76\u62d2\u7edd\u65b0\u7684\u8fde\u63a5\uff1a<\/p>\n<pre>sudo iptables -P INPUT DROP\nsudo iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u5141\u8bb8\u5df2\u7ecf\u5efa\u7acb\u7684\u8fde\u63a5\u7ee7\u7eed\uff0c\u4f46\u5bf9\u4e8e\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u5219\u4f1a\u88ab\u62d2\u7edd\u3002<\/p>\n<ol>\n<li>\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1<\/li>\n<\/ol>\n<p>\u7981\u7528\u4e0d\u9700\u8981\u7684\u670d\u52a1\u53ef\u4ee5\u51cf\u5c11\u7cfb\u7edf\u66b4\u9732\u7ed9\u6f5c\u5728\u653b\u51fb\u7684\u98ce\u9669\u3002\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u5217\u51fa\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684\u670d\u52a1\uff1a<\/p>\n<pre>sudo systemctl list-unit-files --type=service<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\uff1a<\/p>\n<pre>sudo systemctl disable <\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\u662f\u5217\u51fa\u7684\u670d\u52a1\u540d\u79f0\u3002\u4f8b\u5982\uff0c\u7981\u7528Telnet\u670d\u52a1\u7684\u547d\u4ee4\u662f\uff1a<\/p>\n<pre>sudo systemctl disable telnet<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u5b89\u88c5\u548c\u914d\u7f6eSELinux<\/li>\n<\/ol>\n<p>SELinux\uff08Security-Enhanced Linux\uff09\u662f\u4e00\u79cd\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\uff08MAC\uff09\u673a\u5236\uff0c\u7528\u4e8e\u9650\u5236\u8fdb\u7a0b\u7684\u6743\u9650\u3002\u901a\u8fc7\u542f\u7528SELinux\uff0c\u6211\u4eec\u53ef\u4ee5\u589e\u5f3a\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u9996\u5148\uff0c\u68c0\u67e5SELinux\u662f\u5426\u5df2\u7ecf\u5b89\u88c5\u5e76\u8fd0\u884c\uff1a<\/p>\n<pre>sudo sestatus<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5982\u679cSELinux\u672a\u5b89\u88c5\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\uff1a<\/p>\n<pre>sudo yum install selinux-policy-targeted<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\uff0c\u6253\u5f00SELinux\u914d\u7f6e\u6587\u4ef6\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3aenforcing\u6a21\u5f0f\uff1a<\/p>\n<pre>sudo nano \/etc\/selinux\/config<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5c06\u4ee5\u4e0b\u884c\u7684\u6ce8\u91ca\u53d6\u6d88\uff1a<\/p>\n<pre>SELINUX=enforcing<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4fdd\u5b58\u6587\u4ef6\u5e76\u91cd\u65b0\u542f\u52a8\u7cfb\u7edf\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528ClamAV\u8fdb\u884c\u6076\u610f\u4ee3\u7801\u626b\u63cf<\/li>\n<\/ol>\n<p>ClamAV\u662f\u4e00\u6b3e\u514d\u8d39\u800c\u4e14\u5f00\u6e90\u7684\u53cd\u75c5\u6bd2\u8f6f\u4ef6\u3002\u901a\u8fc7\u5b89\u88c5ClamAV\u5e76\u8fdb\u884c\u5b9a\u671f\u626b\u63cf\uff0c\u6211\u4eec\u53ef\u4ee5\u53ca\u65f6\u68c0\u6d4b\u51fa\u6076\u610f\u4ee3\u7801\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5b89\u88c5ClamAV\uff1a<\/p>\n<pre>sudo yum install clamav<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u66f4\u65b0\u75c5\u6bd2\u6570\u636e\u5e93\uff1a<\/p>\n<pre>sudo freshclam<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u626b\u63cf\u7cfb\u7edf\uff1a<\/p>\n<pre>sudo clamscan -r \/<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>-r\u53c2\u6570\u8868\u793a\u9012\u5f52\u626b\u63cf\u6574\u4e2a\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n<p>\u7ed3\u8bba<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u7684\u8bbe\u7f6e\uff0c\u5728CentOS\u7cfb\u7edf\u4e2d\u6211\u4eec\u53ef\u4ee5\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c\u3002\u8bb0\u4f4f\uff0c\u5b89\u5168\u662f\u4e00\u4e2a\u6301\u7eed\u4e0d\u65ad\u7684\u8fc7\u7a0b\uff0c\u6211\u4eec\u5e94\u8be5\u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u3001\u5f3a\u5316\u3001\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\u3001\u4f7f\u7528\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\u673a\u5236\u548c\u8fdb\u884c\u5b9a\u671f\u7684\u6076\u610f\u4ee3\u7801\u626b\u63cf\u3002\u901a\u8fc7\u8fd9\u4e9b\u64cd\u4f5c\uff0c\u6211\u4eec\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\uff0c\u964d\u4f4e\u6076\u610f\u4ee3\u7801\u653b\u51fb\u7684\u98ce\u9669\u3002<\/p>\n<p>\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u8bbe\u7f6eCentOS\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c\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\u8bbe\u7f6ecentos\u7cfb\u7edf\u4ee5\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c \u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c\u662f\u8ba1\u7b97\u673a\u7cfb\u7edf\u5b89\u5168\u4e2d\u4e00\u9879\u91cd\u8981\u7684\u9632\u8303\u5de5\u4f5c\u3002CentOS\u7cfb\u7edf\u4f5c\u4e3a\u4e00\u79cd\u5e38\u7528\u7684Linux\u53d1\u884c\u7248\uff0c\u6709\u5f88\u591a\u81ea\u5e26\u7684\u5b89\u5168\u529f\u80fd\uff0c\u4f46\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u989d\u5916\u7684\u8bbe\u7f6e\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u8bbe\u7f6e\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u4f9b\u53c2\u8003\u3002 \u5b89\u88c5\u5e76\u66f4\u65b0\u7cfb\u7edf \u9996\u5148\uff0c\u786e\u4fdd\u4f60\u7684CentOS\u7cfb\u7edf\u662f\u6700\u65b0\u7248\u672c\u3002\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u66f4\u65b0\u7cfb\u7edf\uff1a sudo yum update \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u83b7\u53d6\u6700\u65b0\u7684\u5b89\u5168\u8865\u4e01\u548c\u66f4\u65b0\u3002\u5b9a\u671f\u66f4\u65b0\u7cfb\u7edf\u662f\u4fdd\u6301\u7cfb\u7edf\u5b89\u5168\u7684\u91cd\u8981\u4e00\u73af\u3002 \u914d\u7f6eiptables\u9632\u706b\u5899 iptables\u662fLinux\u7cfb\u7edf\u4e2d\u7684\u6807\u51c6\u9632\u706b\u5899\u5de5\u5177\uff0c\u53ef\u4ee5\u8fc7\u6ee4\u548c\u7ba1\u7406\u7f51\u7edc\u6570\u636e\u5305\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u6765\u9650\u5236\u6076\u610f\u4ee3\u7801\u7684\u81ea\u52a8\u6267\u884c\u3002 \u4e3a\u9632\u6b62\u5916\u90e8\u8ba1\u7b97\u673a\u8bbf\u95eeCentOS\u7cfb\u7edf\u4e0a\u7684\u670d\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5173\u95ed\u6240\u6709\u5165\u7ad9\u8fde\u63a5\u5e76\u62d2\u7edd\u65b0\u7684\u8fde\u63a5\uff1a sudo iptables -P INPUT DROP sudo iptables -A INPUT -m conntrack &#8211;ctstate ESTABLISHED,RELATED -j ACCEPT \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u5141\u8bb8\u5df2\u7ecf\u5efa\u7acb\u7684\u8fde\u63a5\u7ee7\u7eed\uff0c\u4f46\u5bf9\u4e8e\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u5219\u4f1a\u88ab\u62d2\u7edd\u3002 \u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1 \u7981\u7528\u4e0d\u9700\u8981\u7684\u670d\u52a1\u53ef\u4ee5\u51cf\u5c11\u7cfb\u7edf\u66b4\u9732\u7ed9\u6f5c\u5728\u653b\u51fb\u7684\u98ce\u9669\u3002\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u5217\u51fa\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684\u670d\u52a1\uff1a sudo systemctl list-unit-files &#8211;type=service \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\uff1a sudo systemctl disable \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\u662f\u5217\u51fa\u7684\u670d\u52a1\u540d\u79f0\u3002\u4f8b\u5982\uff0c\u7981\u7528Telnet\u670d\u52a1\u7684\u547d\u4ee4\u662f\uff1a sudo systemctl disable telnet \u767b\u5f55\u540e\u590d\u5236 \u5b89\u88c5\u548c\u914d\u7f6eSELinux SELinux\uff08Security-Enhanced Linux\uff09\u662f\u4e00\u79cd\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\uff08MAC\uff09\u673a\u5236\uff0c\u7528\u4e8e\u9650\u5236\u8fdb\u7a0b\u7684\u6743\u9650\u3002\u901a\u8fc7\u542f\u7528SELinux\uff0c\u6211\u4eec\u53ef\u4ee5\u589e\u5f3a\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002 \u9996\u5148\uff0c\u68c0\u67e5SELinux\u662f\u5426\u5df2\u7ecf\u5b89\u88c5\u5e76\u8fd0\u884c\uff1a sudo sestatus \u767b\u5f55\u540e\u590d\u5236 \u5982\u679cSELinux\u672a\u5b89\u88c5\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\uff1a [&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-16069","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16069","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=16069"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16069\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}