{"id":16863,"date":"2024-11-18T11:13:16","date_gmt":"2024-11-18T03:13:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16863\/"},"modified":"2024-11-18T11:13:16","modified_gmt":"2024-11-18T03:13:16","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%91%bd%e4%bb%a4%e8%a1%8c%e6%9d%a5%e5%a2%9e%e5%bc%ba%e4%bd%a0%e7%9a%84linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16863\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u884c\u6765\u589e\u5f3a\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/465\/014\/169413167254541.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u884c\u6765\u589e\u5f3a\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u884c\u6765\u589e\u5f3a\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\u63d2\u56fe\" \/><\/p>\n<p>\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u884c\u6765\u589e\u5f3a\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168<\/p>\n<p>\u6458\u8981\uff1a\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5c06\u5206\u4eab\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u589e\u5f3aLinux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u8fd9\u4e9b\u64cd\u4f5c\u5305\u62ec\u66f4\u65b0\u7cfb\u7edf\u3001\u4f7f\u7528\u9632\u706b\u5899\u3001\u914d\u7f6e\u8bbf\u95ee\u63a7\u5236\u5217\u8868\u548c\u8bbe\u7f6e\u65e5\u5fd7\u8bb0\u5f55\u7b49\u3002\u901a\u8fc7\u8fd0\u7528\u8fd9\u4e9b\u6280\u5de7\uff0c\u4f60\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u63d0\u5347\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u5e76\u964d\u4f4e\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002<\/p>\n<p>\u5173\u952e\u8bcd\uff1aLinux\u670d\u52a1\u5668\uff0c\u5b89\u5168\u6027\uff0c\u547d\u4ee4\u884c\uff0c\u9632\u706b\u5899\uff0c\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff0c\u65e5\u5fd7\u8bb0\u5f55<\/p>\n<p>\u5f15\u8a00<\/p>\n<p>\u5728\u5f53\u4eca\u6570\u5b57\u5316\u7684\u65f6\u4ee3\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002\u4f5c\u4e3a\u4e00\u4e2a\u7ba1\u7406\u5458\uff0c\u4f60\u9700\u8981\u91c7\u53d6\u4e00\u7cfb\u5217\u63aa\u65bd\u6765\u9632\u6b62\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u548c\u653b\u51fb\u3002\u5728Linux\u670d\u52a1\u5668\u4e2d\uff0c\u547d\u4ee4\u884c\u662f\u7ba1\u7406\u548c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u6709\u529b\u5de5\u5177\u4e4b\u4e00\u3002\u5b83\u63d0\u4f9b\u4e86\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u589e\u5f3a\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u4e00\u8d77\u63a2\u7d22\u4e00\u4e9b\u4f7f\u7528\u547d\u4ee4\u884c\u6765\u589e\u5f3aLinux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u4e00\u3001\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6<\/p>\n<p>\u4fdd\u6301\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u7684\u8f6f\u4ef6\u66f4\u65b0\u81f3\u6700\u65b0\u7248\u672c\u662f\u786e\u4fdd\u5b89\u5168\u6027\u7684\u91cd\u8981\u4e00\u73af\u3002\u901a\u8fc7\u547d\u4ee4\u884c\uff0c\u4f60\u53ef\u4ee5\u65b9\u4fbf\u5730\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528apt-get\u66f4\u65b0\u8f6f\u4ef6\u5305\uff1a<\/li>\n<\/ol>\n<pre>sudo apt-get update\nsudo apt-get upgrade<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u4f7f\u7528yum\u66f4\u65b0\u8f6f\u4ef6\u5305\uff1a<\/li>\n<\/ol>\n<pre>sudo yum update<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e8c\u3001\u4f7f\u7528\u9632\u706b\u5899<\/p>\n<p>\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u7f51\u7edc\u653b\u51fb\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002Linux\u63d0\u4f9b\u4e86\u4e00\u79cd\u540d\u4e3aiptables\u7684\u529f\u80fd\u5f3a\u5927\u7684\u9632\u706b\u5899\u5de5\u5177\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u6765\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ol>\n<li>\u5141\u8bb8\u7279\u5b9a\u7684\u7aef\u53e3\uff1a<\/li>\n<\/ol>\n<p>\u4f8b\u5982\uff0c\u5141\u8bb8SSH\u8fde\u63a5<\/p>\n<pre>sudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u5141\u8bb8\u7279\u5b9a\u7684IP\u5730\u5740\uff1a<\/li>\n<\/ol>\n<p>\u4f8b\u5982\uff0c\u5141\u8bb8\u6765\u81ea\u7279\u5b9aIP\u5730\u5740\u7684\u8bbf\u95ee<\/p>\n<pre>sudo iptables -A INPUT -s 192.168.1.100 -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u62d2\u7edd\u6240\u6709\u5176\u4ed6\u672a\u88ab\u5141\u8bb8\u7684\u8fde\u63a5\uff1a<\/li>\n<\/ol>\n<pre>sudo iptables -A INPUT -j DROP<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e09\u3001\u914d\u7f6e\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACLs\uff09<\/p>\n<p>\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACLs\uff09\u662f\u4e00\u4e2a\u7528\u4e8e\u63a7\u5236\u7279\u5b9a\u7528\u6237\u6216\u7528\u6237\u7ec4\u5bf9\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u8bbf\u95ee\u6743\u9650\u7684\u529f\u80fd\u3002\u901a\u8fc7\u547d\u4ee4\u884c\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u914d\u7f6eACLs\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ol>\n<li>\u6dfb\u52a0ACLs\u89c4\u5219\uff1a<\/li>\n<\/ol>\n<pre>sudo setfacl -m u:user:rwx \/path\/to\/file\nsudo setfacl -m g:group:rx \/path\/to\/directory<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u67e5\u770bACLs\u89c4\u5219\uff1a<\/li>\n<\/ol>\n<pre>getfacl \/path\/to\/file<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u56db\u3001\u8bbe\u7f6e\u65e5\u5fd7\u8bb0\u5f55<\/p>\n<p>\u65e5\u5fd7\u8bb0\u5f55\u662f\u8ddf\u8e2a\u670d\u52a1\u5668\u6d3b\u52a8\u4ee5\u53ca\u8bc6\u522b\u6f5c\u5728\u5b89\u5168\u95ee\u9898\u7684\u91cd\u8981\u624b\u6bb5\u3002\u901a\u8fc7\u547d\u4ee4\u884c\uff0c\u4f60\u53ef\u4ee5\u914d\u7f6e\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u8bb0\u5f55\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ol>\n<li>\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\uff1a<\/li>\n<\/ol>\n<pre>sudo tail -f \/var\/log\/syslog<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u67e5\u770b\u767b\u5f55\u65e5\u5fd7\uff1a<\/li>\n<\/ol>\n<pre>sudo tail -f \/var\/log\/auth.log<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7ed3\u8bba<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u547d\u4ee4\u884c\uff0c\u4f60\u53ef\u4ee5\u589e\u5f3aLinux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u548c\u64cd\u4f5c\uff0c\u5305\u62ec\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6\u3001\u914d\u7f6e\u9632\u706b\u5899\u3001\u4f7f\u7528ACLs\u548c\u8bbe\u7f6e\u65e5\u5fd7\u8bb0\u5f55\u3002\u901a\u8fc7\u8fd0\u7528\u8fd9\u4e9b\u6280\u5de7\uff0c\u4f60\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u63d0\u5347\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u5e76\u51cf\u5c11\u5b89\u5168\u98ce\u9669\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u4fdd\u62a4\u670d\u52a1\u5668\u5b89\u5168\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p>\u53c2\u8003\u6587\u732e\uff1a<\/p>\n<ol>\n<li>Rose, J. (2017). How to Secure Your Linux Server with IPTables. Retrieved from https:\/\/www.tecmint.com\/linux-server-hardening-security-tips\/<\/li>\n<li>Red Hat. (n.d.). Securing and Hardening Red Hat Linux Production Systems. Retrieved from https:\/\/www.redhat.com\/archives\/rhl-devel-list\/2005-January\/msg00806.html<\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u884c\u6765\u589e\u5f3a\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168\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\u4f7f\u7528\u547d\u4ee4\u884c\u6765\u589e\u5f3a\u4f60\u7684Linux\u670d\u52a1\u5668\u5b89\u5168 \u6458\u8981\uff1a\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5c06\u5206\u4eab\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u589e\u5f3aLinux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u8fd9\u4e9b\u64cd\u4f5c\u5305\u62ec\u66f4\u65b0\u7cfb\u7edf\u3001\u4f7f\u7528\u9632\u706b\u5899\u3001\u914d\u7f6e\u8bbf\u95ee\u63a7\u5236\u5217\u8868\u548c\u8bbe\u7f6e\u65e5\u5fd7\u8bb0\u5f55\u7b49\u3002\u901a\u8fc7\u8fd0\u7528\u8fd9\u4e9b\u6280\u5de7\uff0c\u4f60\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u63d0\u5347\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u5e76\u964d\u4f4e\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002 \u5173\u952e\u8bcd\uff1aLinux\u670d\u52a1\u5668\uff0c\u5b89\u5168\u6027\uff0c\u547d\u4ee4\u884c\uff0c\u9632\u706b\u5899\uff0c\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff0c\u65e5\u5fd7\u8bb0\u5f55 \u5f15\u8a00 \u5728\u5f53\u4eca\u6570\u5b57\u5316\u7684\u65f6\u4ee3\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002\u4f5c\u4e3a\u4e00\u4e2a\u7ba1\u7406\u5458\uff0c\u4f60\u9700\u8981\u91c7\u53d6\u4e00\u7cfb\u5217\u63aa\u65bd\u6765\u9632\u6b62\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u548c\u653b\u51fb\u3002\u5728Linux\u670d\u52a1\u5668\u4e2d\uff0c\u547d\u4ee4\u884c\u662f\u7ba1\u7406\u548c\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u6709\u529b\u5de5\u5177\u4e4b\u4e00\u3002\u5b83\u63d0\u4f9b\u4e86\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u589e\u5f3a\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u4e00\u8d77\u63a2\u7d22\u4e00\u4e9b\u4f7f\u7528\u547d\u4ee4\u884c\u6765\u589e\u5f3aLinux\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u65b9\u6cd5\u3002 \u4e00\u3001\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6 \u4fdd\u6301\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u7684\u8f6f\u4ef6\u66f4\u65b0\u81f3\u6700\u65b0\u7248\u672c\u662f\u786e\u4fdd\u5b89\u5168\u6027\u7684\u91cd\u8981\u4e00\u73af\u3002\u901a\u8fc7\u547d\u4ee4\u884c\uff0c\u4f60\u53ef\u4ee5\u65b9\u4fbf\u5730\u66f4\u65b0\u7cfb\u7edf\u8f6f\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a \u4f7f\u7528apt-get\u66f4\u65b0\u8f6f\u4ef6\u5305\uff1a sudo apt-get update sudo apt-get upgrade \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528yum\u66f4\u65b0\u8f6f\u4ef6\u5305\uff1a sudo yum update \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u4f7f\u7528\u9632\u706b\u5899 \u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u7f51\u7edc\u653b\u51fb\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002Linux\u63d0\u4f9b\u4e86\u4e00\u79cd\u540d\u4e3aiptables\u7684\u529f\u80fd\u5f3a\u5927\u7684\u9632\u706b\u5899\u5de5\u5177\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u6765\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a \u5141\u8bb8\u7279\u5b9a\u7684\u7aef\u53e3\uff1a \u4f8b\u5982\uff0c\u5141\u8bb8SSH\u8fde\u63a5 sudo iptables -A INPUT -p tcp &#8211;dport 22 -j ACCEPT \u767b\u5f55\u540e\u590d\u5236 \u5141\u8bb8\u7279\u5b9a\u7684IP\u5730\u5740\uff1a \u4f8b\u5982\uff0c\u5141\u8bb8\u6765\u81ea\u7279\u5b9aIP\u5730\u5740\u7684\u8bbf\u95ee sudo iptables -A INPUT -s 192.168.1.100 -j ACCEPT \u767b\u5f55\u540e\u590d\u5236 \u62d2\u7edd\u6240\u6709\u5176\u4ed6\u672a\u88ab\u5141\u8bb8\u7684\u8fde\u63a5\uff1a sudo iptables -A INPUT -j DROP \u767b\u5f55\u540e\u590d\u5236 \u4e09\u3001\u914d\u7f6e\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACLs\uff09 [&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-16863","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16863","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=16863"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16863\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}