{"id":51200,"date":"2024-12-03T12:57:35","date_gmt":"2024-12-03T04:57:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51200\/"},"modified":"2024-12-03T12:57:35","modified_gmt":"2024-12-03T04:57:35","slug":"linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e6%80%a7%e5%ae%9e%e6%88%98%ef%bc%9a%e4%bd%bf%e7%94%a8%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7%e8%bf%9b%e8%a1%8c%e9%98%b2%e5%be%a1-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51200\/","title":{"rendered":"Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p>Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1<\/p>\n<p>\u6458\u8981\uff1aLinux\u670d\u52a1\u5668\u662f\u5e38\u89c1\u7684\u7f51\u7edc\u653b\u51fb\u5bf9\u8c61\uff0c\u4e3a\u4e86\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u4f7f\u7528\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\u6765\u8fdb\u884c\u9632\u5fa1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5305\u62ec\u9632\u706b\u5899\u914d\u7f6e\u3001\u5165\u4fb5\u68c0\u6d4b\u3001\u65e5\u5fd7\u5206\u6790\u7b49\u65b9\u9762\u7684\u5e94\u7528\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<ol>\n<li>\u5f15\u8a00<br \/>Linux\u670d\u52a1\u5668\u662f\u7f51\u7edc\u653b\u51fb\u7684\u76ee\u6807\uff0c\u56e0\u6b64\u4fdd\u62a4\u670d\u52a1\u5668\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5229\u7528\u5b83\u4eec\u8fdb\u884c\u670d\u52a1\u5668\u7684\u5b89\u5168\u9632\u5fa1\u3002<\/li>\n<li>\u9632\u706b\u5899\u914d\u7f6e<br \/>\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u7f51\u7edc\u653b\u51fb\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u8fdb\u884c\u9632\u706b\u5899\u7684\u914d\u7f6e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff0c\u53ea\u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u7684\u4e3b\u673a\u8bbf\u95eeSSH\u670d\u52a1\uff1a<\/li>\n<\/ol>\n<pre># \u6e05\u7a7a\u89c4\u5219\u94fe\niptables -F\n\n# \u8bbe\u7f6e\u9ed8\u8ba4\u7b56\u7565\niptables -P INPUT DROP\niptables -P FORWARD DROP\niptables -P OUTPUT ACCEPT\n\n# \u5141\u8bb8\u56de\u73af\u63a5\u53e3\niptables -A INPUT -i lo -j ACCEPT\n\n# \u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u8bbf\u95eeSSH\u670d\u52a1\niptables -A INPUT -p tcp --dport 22 -s 192.168.1.100 -j ACCEPT\niptables -A INPUT -p tcp --dport 22 -j DROP<\/pre>\n<ol>\n<li>\u5165\u4fb5\u68c0\u6d4b<br \/>\u5165\u4fb5\u68c0\u6d4b\u53ef\u4ee5\u5e2e\u52a9\u53ca\u65f6\u53d1\u73b0\u5e76\u963b\u6b62\u6f5c\u5728\u7684\u6076\u610f\u6d3b\u52a8\u3002Snort\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u8fdb\u884c\u914d\u7f6e\u548c\u76d1\u63a7\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u5b89\u88c5\u548c\u4f7f\u7528Snort\uff1a<\/li>\n<\/ol>\n<pre># \u5b89\u88c5Snort\nsudo apt-get install snort\n\n# \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\nsudo vim \/etc\/snort\/snort.conf\n\n# \u542f\u52a8Snort\nsudo snort -i eth0 -c \/etc\/snort\/snort.conf -l \/var\/log\/snort\n\n# \u76d1\u63a7Snort\u65e5\u5fd7\ntail -f \/var\/log\/snort\/alert<\/pre>\n<ol>\n<li>\u65e5\u5fd7\u5206\u6790<br \/>\u65e5\u5fd7\u5206\u6790\u662f\u4e86\u89e3\u670d\u52a1\u5668\u6d3b\u52a8\u5e76\u68c0\u6d4b\u6f5c\u5728\u5b89\u5168\u98ce\u9669\u7684\u91cd\u8981\u624b\u6bb5\u3002\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528logwatch\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5206\u6790\u548c\u62a5\u544a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u914d\u7f6e\u548c\u4f7f\u7528logwatch\uff1a<\/li>\n<\/ol>\n<pre># \u5b89\u88c5logwatch\nsudo apt-get install logwatch\n\n# \u914d\u7f6e\u90ae\u4ef6\u53d1\u9001\nsudo vim \/etc\/cron.daily\/00logwatch\n\u8bbe\u7f6e\u90ae\u4ef6\u5730\u5740:\n$MailFrom = 'logwatch@example.com';\n$MailTo = 'your-email@example.com';\n\n# \u8fd0\u884clogwatch\nsudo \/usr\/sbin\/logwatch --output mail --format html --detail high<\/pre>\n<ol>\n<li>\u603b\u7ed3<br \/>\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7528\u4e8e\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u9632\u706b\u5899\u914d\u7f6e\u3001\u5165\u4fb5\u68c0\u6d4b\u548c\u65e5\u5fd7\u5206\u6790\u662f\u670d\u52a1\u5668\u5b89\u5168\u9632\u5fa1\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u53ef\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u5e76\u53ca\u65f6\u53d1\u73b0\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4fdd\u62a4\u5176Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002<\/li>\n<\/ol>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u5b89\u5168\u5b58\u50a8\uff1a\u4fdd\u62a4\u60a8\u7684Linux\u670d\u52a1\u5668\u4e0a\u7684\u654f\u611f\u6570\u636e\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1 \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01 Linux\u670d\u52a1\u5668\u5b89\u5168\u6027\u5b9e\u6218\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u8fdb\u884c\u9632\u5fa1 \u6458\u8981\uff1aLinux\u670d\u52a1\u5668\u662f\u5e38\u89c1\u7684\u7f51\u7edc\u653b\u51fb\u5bf9\u8c61\uff0c\u4e3a\u4e86\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u4f7f\u7528\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\u6765\u8fdb\u884c\u9632\u5fa1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5305\u62ec\u9632\u706b\u5899\u914d\u7f6e\u3001\u5165\u4fb5\u68c0\u6d4b\u3001\u65e5\u5fd7\u5206\u6790\u7b49\u65b9\u9762\u7684\u5e94\u7528\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u5f15\u8a00Linux\u670d\u52a1\u5668\u662f\u7f51\u7edc\u653b\u51fb\u7684\u76ee\u6807\uff0c\u56e0\u6b64\u4fdd\u62a4\u670d\u52a1\u5668\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5229\u7528\u5b83\u4eec\u8fdb\u884c\u670d\u52a1\u5668\u7684\u5b89\u5168\u9632\u5fa1\u3002 \u9632\u706b\u5899\u914d\u7f6e\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u7f51\u7edc\u653b\u51fb\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u5728Linux\u670d\u52a1\u5668\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u8fdb\u884c\u9632\u706b\u5899\u7684\u914d\u7f6e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff0c\u53ea\u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u7684\u4e3b\u673a\u8bbf\u95eeSSH\u670d\u52a1\uff1a # \u6e05\u7a7a\u89c4\u5219\u94fe iptables -F # \u8bbe\u7f6e\u9ed8\u8ba4\u7b56\u7565 iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT ACCEPT # \u5141\u8bb8\u56de\u73af\u63a5\u53e3 iptables -A INPUT -i lo -j ACCEPT # \u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u8bbf\u95eeSSH\u670d\u52a1 iptables -A INPUT -p tcp &#8211;dport 22 -s 192.168.1.100 -j ACCEPT iptables -A INPUT -p tcp &#8211;dport 22 -j DROP [&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-51200","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51200","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=51200"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51200\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}