{"id":61724,"date":"2025-04-29T12:56:05","date_gmt":"2025-04-29T04:56:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61724\/"},"modified":"2025-04-29T12:56:05","modified_gmt":"2025-04-29T04:56:05","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%85%a5%e4%be%b5%e9%98%b2%e5%be%a1%e7%b3%bb%e7%bb%9f%ef%bc%88ips%ef%bc%89%e4%bf%9d%e6%8a%a4centos%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%85%8d%e5%8f%97%e6%94%bb%e5%87%bb-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61724\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\uff08IPS\uff09\u4fdd\u62a4CentOS\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb"},"content":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\uff08ips\uff09\u4fdd\u62a4centos\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u5728\u5f53\u4eca\u6570\u5b57\u5316\u7684\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u5b89\u5168\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u7f51\u7edc\u653b\u51fb\u548c\u5165\u4fb5\u4e8b\u4ef6\u8d8a\u6765\u8d8a\u9891\u7e41\uff0c\u56e0\u6b64\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u7684\u9700\u6c42\u53d8\u5f97\u65e5\u76ca\u8feb\u5207\u3002\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\uff08IPS\uff09\u662f\u4e00\u79cd\u91cd\u8981\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u68c0\u6d4b\u548c\u963b\u6b62\u6076\u610f\u6d3b\u52a8\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u5982\u4f55\u5728CentOS\u670d\u52a1\u5668\u4e0a\u914d\u7f6e\u548c\u4f7f\u7528IPS\u6765\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u7b2c\u4e00\u90e8\u5206\uff1a\u5b89\u88c5\u548c\u914d\u7f6eIPS<br \/>\u7b2c\u4e00\u6b65\uff1a\u5b89\u88c5IPS\u8f6f\u4ef6<br \/>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u9009\u62e9\u548c\u5b89\u88c5\u5408\u9002\u7684IPS\u8f6f\u4ef6\u3002Snort\u662f\u4e00\u4e2a\u6d41\u884c\u7684\u3001\u5f00\u6e90\u7684IPS\u8f6f\u4ef6\uff0c\u5b83\u53ef\u4ee5\u5728CentOS\u4e0a\u4f7f\u7528\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Snort\uff1a<\/p>\n<pre>sudo yum install snort<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8Snort\u670d\u52a1\uff1a<\/p>\n<pre>sudo systemctl start snort<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u914d\u7f6eSnort<br \/>\u4e00\u65e6\u5b89\u88c5\u5b8c\u6210\uff0c\u6211\u4eec\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u57fa\u672c\u7684\u914d\u7f6e\u4ee5\u786e\u4fddSnort\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\u3002\u5728CentOS\u4e0a\uff0cSnort\u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e\/etc\/snort\/snort.conf\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00\u8be5\u6587\u4ef6\uff0c\u5e76\u6839\u636e\u9700\u8981\u4fee\u6539\u5176\u4e2d\u7684\u53c2\u6570\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u914d\u7f6e\u53c2\u6570\u548c\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>ipvar HOME_NET any\uff1a\u6307\u5b9a\u5141\u8bb8\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u7f51\u7edc\u8303\u56f4\uff0c\u53ef\u4ee5\u662f\u5355\u4e2aIP\u5730\u5740\u3001IP\u6bb5\u6216\u5b50\u7f51\u3002<\/li>\n<li>ipvar EXTERNAL_NET any\uff1a\u6307\u5b9a\u53ef\u4fe1\u4efb\u7684\u5916\u90e8\u7f51\u7edc\u8303\u56f4\uff0cSnort\u5c06\u9488\u5bf9\u6b64\u8303\u56f4\u8fdb\u884c\u6d41\u91cf\u76d1\u63a7\u3002<\/li>\n<li>alert icmp any any -&gt; $HOME_NET any (msg: &#8220;ICMP traffic detected&#8221;; sid: 10001)\uff1a\u5f53\u68c0\u6d4b\u5230ICMP\u6d41\u91cf\u65f6\uff0c\u8f93\u51fa\u4e00\u4e2a\u8b66\u62a5\uff0c\u5e76\u5c06\u5176\u4e0eSID 10001\u5173\u8054\u3002<\/li>\n<\/ul>\n<p>\u5b8c\u6210\u914d\u7f6e\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6d4b\u8bd5\u914d\u7f6e\u662f\u5426\u6709\u6548\uff1a<\/p>\n<pre>sudo snort -T -c \/etc\/snort\/snort.conf<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7b2c\u4e8c\u90e8\u5206\uff1a\u542f\u7528IPS\u89c4\u5219<br \/>\u7b2c\u4e00\u6b65\uff1a\u4e0b\u8f7dIPS\u89c4\u5219<br \/>IPS\u89c4\u5219\u662f\u786e\u5b9a\u4f55\u65f6\u53d1\u751f\u653b\u51fb\u6216\u5f02\u5e38\u884c\u4e3a\u7684\u57fa\u7840\u3002\u6211\u4eec\u53ef\u4ee5\u4eceSnort\u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d\u6700\u65b0\u7684\u89c4\u5219\u6587\u4ef6\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e0b\u8f7d\u89c4\u5219\u6587\u4ef6\u7684\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n<pre>sudo wget https:\/\/www.snort.org\/downloads\/community\/community-rules.tar.gz\nsudo tar -xvf community-rules.tar.gz -C \/etc\/snort\/rules\/<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u542f\u7528\u89c4\u5219\u96c6<br \/>\u5728Snort\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6dfb\u52a0\u4ee5\u4e0b\u547d\u4ee4\u6765\u52a0\u8f7d\u89c4\u5219\u96c6\uff1a<\/p>\n<pre>include $RULE_PATH \/community.rules<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7b2c\u4e09\u6b65\uff1a\u91cd\u542fSnort\u670d\u52a1<br \/>\u914d\u7f6e\u6587\u4ef6\u7684\u66f4\u6539\u9700\u8981\u91cd\u65b0\u542f\u52a8Snort\u670d\u52a1\u624d\u80fd\u751f\u6548\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u542fSnort\u670d\u52a1\uff1a<\/p>\n<pre>sudo systemctl restart snort<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7b2c\u4e09\u90e8\u5206\uff1a\u76d1\u63a7IPS\u65e5\u5fd7<br \/>\u4e00\u65e6Snort\u5f00\u59cb\u76d1\u63a7\u6d41\u91cf\u5e76\u68c0\u6d4b\u5230\u5f02\u5e38\u6d3b\u52a8\uff0c\u5b83\u4f1a\u751f\u6210\u4e00\u4e2a\u65e5\u5fd7\u6587\u4ef6\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\uff1a<\/p>\n<pre>sudo tail -f \/var\/log\/snort\/alert<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u7b2c\u56db\u90e8\u5206\uff1a\u4f18\u5316IPS\u6027\u80fd<\/p>\n<ul>\n<li>\u542f\u7528\u591a\u7ebf\u7a0b\uff1a\u5728Snort\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6econfig detection: search-method ac-split\u6765\u542f\u7528\u591a\u7ebf\u7a0b\u68c0\u6d4b\u65b9\u6cd5\u3002<\/li>\n<li>\u4f18\u5316\u786c\u4ef6\uff1a\u5bf9\u4e8e\u9ad8\u6027\u80fd\u7684IPS\u90e8\u7f72\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u66f4\u5f3a\u5927\u7684\u670d\u52a1\u5668\u548c\u7f51\u7edc\u9002\u914d\u5668\u3002<\/li>\n<li>\n<p>\u5b9a\u671f\u66f4\u65b0\u89c4\u5219\uff1a\u968f\u7740\u65b0\u7684\u5a01\u80c1\u4e0d\u65ad\u51fa\u73b0\uff0c\u5b9a\u671f\u66f4\u65b0IPS\u89c4\u5219\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4e0b\u8f7d\u548c\u66f4\u65b0\u89c4\u5219\uff1a<\/p>\n<pre>sudo wget https:\/\/www.snort.org\/rules\/snortrules-snapshot-XXXXX.tar.gz -O snortrules-snapshot.tar.gz\nsudo tar -xvf snortrules-snapshot.tar.gz -C \/etc\/snort\/rules\/<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ul>\n<p>\u7ed3\u8bba\uff1a<br \/>\u901a\u8fc7\u914d\u7f6e\u548c\u4f7f\u7528\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\uff08IPS\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8CentOS\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u6076\u610f\u653b\u51fb\u548c\u672a\u6388\u6743\u8bbf\u95ee\u3002\u7136\u800c\uff0cIPS\u53ea\u662f\u670d\u52a1\u5668\u5b89\u5168\u7684\u4e00\u90e8\u5206\uff0c\u8fd8\u9700\u8981\u7efc\u5408\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\u6765\u6784\u5efa\u4e00\u4e2a\u5168\u9762\u7684\u9632\u5fa1\u4f53\u7cfb\uff0c\u4fdd\u969c\u670d\u52a1\u5668\u548c\u6570\u636e\u7684\u5b89\u5168\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\uff08IPS\uff09\u4fdd\u62a4CentOS\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\uff08ips\uff09\u4fdd\u62a4centos\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb \u5f15\u8a00\uff1a\u5728\u5f53\u4eca\u6570\u5b57\u5316\u7684\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u5b89\u5168\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u7f51\u7edc\u653b\u51fb\u548c\u5165\u4fb5\u4e8b\u4ef6\u8d8a\u6765\u8d8a\u9891\u7e41\uff0c\u56e0\u6b64\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u7684\u9700\u6c42\u53d8\u5f97\u65e5\u76ca\u8feb\u5207\u3002\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\uff08IPS\uff09\u662f\u4e00\u79cd\u91cd\u8981\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u68c0\u6d4b\u548c\u963b\u6b62\u6076\u610f\u6d3b\u52a8\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u5982\u4f55\u5728CentOS\u670d\u52a1\u5668\u4e0a\u914d\u7f6e\u548c\u4f7f\u7528IPS\u6765\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002 \u7b2c\u4e00\u90e8\u5206\uff1a\u5b89\u88c5\u548c\u914d\u7f6eIPS\u7b2c\u4e00\u6b65\uff1a\u5b89\u88c5IPS\u8f6f\u4ef6\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u9009\u62e9\u548c\u5b89\u88c5\u5408\u9002\u7684IPS\u8f6f\u4ef6\u3002Snort\u662f\u4e00\u4e2a\u6d41\u884c\u7684\u3001\u5f00\u6e90\u7684IPS\u8f6f\u4ef6\uff0c\u5b83\u53ef\u4ee5\u5728CentOS\u4e0a\u4f7f\u7528\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Snort\uff1a sudo yum install snort \u767b\u5f55\u540e\u590d\u5236 \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8Snort\u670d\u52a1\uff1a sudo systemctl start snort \u767b\u5f55\u540e\u590d\u5236 \u7b2c\u4e8c\u6b65\uff1a\u914d\u7f6eSnort\u4e00\u65e6\u5b89\u88c5\u5b8c\u6210\uff0c\u6211\u4eec\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u57fa\u672c\u7684\u914d\u7f6e\u4ee5\u786e\u4fddSnort\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\u3002\u5728CentOS\u4e0a\uff0cSnort\u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8e\/etc\/snort\/snort.conf\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00\u8be5\u6587\u4ef6\uff0c\u5e76\u6839\u636e\u9700\u8981\u4fee\u6539\u5176\u4e2d\u7684\u53c2\u6570\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u914d\u7f6e\u53c2\u6570\u548c\u793a\u4f8b\uff1a ipvar HOME_NET any\uff1a\u6307\u5b9a\u5141\u8bb8\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u7f51\u7edc\u8303\u56f4\uff0c\u53ef\u4ee5\u662f\u5355\u4e2aIP\u5730\u5740\u3001IP\u6bb5\u6216\u5b50\u7f51\u3002 ipvar EXTERNAL_NET any\uff1a\u6307\u5b9a\u53ef\u4fe1\u4efb\u7684\u5916\u90e8\u7f51\u7edc\u8303\u56f4\uff0cSnort\u5c06\u9488\u5bf9\u6b64\u8303\u56f4\u8fdb\u884c\u6d41\u91cf\u76d1\u63a7\u3002 alert icmp any any -&gt; $HOME_NET any (msg: &#8220;ICMP traffic detected&#8221;; sid: 10001)\uff1a\u5f53\u68c0\u6d4b\u5230ICMP\u6d41\u91cf\u65f6\uff0c\u8f93\u51fa\u4e00\u4e2a\u8b66\u62a5\uff0c\u5e76\u5c06\u5176\u4e0eSID 10001\u5173\u8054\u3002 \u5b8c\u6210\u914d\u7f6e\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6d4b\u8bd5\u914d\u7f6e\u662f\u5426\u6709\u6548\uff1a sudo snort -T -c \/etc\/snort\/snort.conf \u767b\u5f55\u540e\u590d\u5236 \u7b2c\u4e8c\u90e8\u5206\uff1a\u542f\u7528IPS\u89c4\u5219\u7b2c\u4e00\u6b65\uff1a\u4e0b\u8f7dIPS\u89c4\u5219IPS\u89c4\u5219\u662f\u786e\u5b9a\u4f55\u65f6\u53d1\u751f\u653b\u51fb\u6216\u5f02\u5e38\u884c\u4e3a\u7684\u57fa\u7840\u3002\u6211\u4eec\u53ef\u4ee5\u4eceSnort\u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d\u6700\u65b0\u7684\u89c4\u5219\u6587\u4ef6\u3002 \u4ee5\u4e0b\u662f\u4e0b\u8f7d\u89c4\u5219\u6587\u4ef6\u7684\u793a\u4f8b\u547d\u4ee4\uff1a sudo wget https:\/\/www.snort.org\/downloads\/community\/community-rules.tar.gz sudo tar -xvf community-rules.tar.gz -C \/etc\/snort\/rules\/ \u767b\u5f55\u540e\u590d\u5236 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