{"id":16891,"date":"2024-11-18T13:54:32","date_gmt":"2024-11-18T05:54:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16891\/"},"modified":"2024-11-18T13:54:32","modified_gmt":"2024-11-18T05:54:32","slug":"%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7%e6%98%af%e4%bd%a0%e7%9a%84%e9%98%b2%e5%be%a1%e6%ad%a6%e5%99%a8%ef%bc%9a%e4%bf%9d%e6%8a%a4%e4%bd%a0%e7%9a%84linux%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16891\/","title":{"rendered":"\u547d\u4ee4\u884c\u5de5\u5177\u662f\u4f60\u7684\u9632\u5fa1\u6b66\u5668\uff1a\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/169415065514425.jpg\" class=\"aligncenter\" title=\"\u547d\u4ee4\u884c\u5de5\u5177\u662f\u4f60\u7684\u9632\u5fa1\u6b66\u5668\uff1a\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u63d2\u56fe\" alt=\"\u547d\u4ee4\u884c\u5de5\u5177\u662f\u4f60\u7684\u9632\u5fa1\u6b66\u5668\uff1a\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u63d2\u56fe\" \/><\/p>\n<p>\u547d\u4ee4\u884c\u5de5\u5177\u662f\u4f60\u7684\u9632\u5fa1\u6b66\u5668\uff1a\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668<\/p>\n<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0cLinux\u64cd\u4f5c\u7cfb\u7edf\u5728\u670d\u52a1\u5668\u9886\u57df\u4e2d\u7684\u666e\u53ca\u7387\u8d8a\u6765\u8d8a\u9ad8\u3002\u7136\u800c\uff0cLinux\u670d\u52a1\u5668\u4e5f\u9762\u4e34\u7740\u5404\u79cd\u7f51\u7edc\u5b89\u5168\u5a01\u80c1\u3002\u4e3a\u4e86\u4fdd\u62a4\u4f60\u7684\u670d\u52a1\u5668\u514d\u53d7\u9ed1\u5ba2\u653b\u51fb\u548c\u6076\u610f\u8f6f\u4ef6\u7684\u4fb5\u5bb3\uff0c\u5b66\u4f1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<p>\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\u548c\u6280\u672f\uff0c\u5e2e\u52a9\u4f60\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u3002<\/p>\n<ol>\n<li>\u9632\u706b\u5899\u7ba1\u7406<br \/>\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u672a\u6388\u6743\u8bbf\u95ee\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u6765\u914d\u7f6e\u548c\u7ba1\u7406\u9632\u706b\u5899\u89c4\u5219\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n<pre># \u5141\u8bb8\u7279\u5b9aIP\u8bbf\u95eeSSH\niptables -A INPUT -s 192.168.1.1 -p tcp --dport 22 -j ACCEPT\n\n# \u963b\u6b62\u6240\u6709\u5176\u4ed6SSH\u8bbf\u95ee\niptables -A INPUT -p tcp --dport 22 -j DROP\n\n# \u5141\u8bb8Ping\niptables -A INPUT -p icmp --icmp-type 8 -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8fd9\u4e9b\u89c4\u5219\u5c06\u5141\u8bb8IP\u4e3a192.168.1.1\u7684\u4e3b\u673a\u8bbf\u95eeSSH\uff0c\u5e76\u963b\u6b62\u5176\u4ed6IP\u5bf9SSH\u7684\u8bbf\u95ee\u3002\u540c\u65f6\uff0c\u5141\u8bb8ICMP Ping\u8bf7\u6c42\u3002<\/p>\n<ol>\n<li>\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\uff08Intrusion Detection System, IDS\uff09<br \/>IDS\u53ef\u4ee5\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff0c\u5e76\u53d1\u73b0\u4efb\u4f55\u5f02\u5e38\u884c\u4e3a\u6216\u6f5c\u5728\u7684\u653b\u51fb\u3002snort\u662f\u4e00\u4e2a\u8457\u540d\u7684\u5f00\u6e90IDS\u5de5\u5177\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n<pre># \u5b89\u88c5snort\nsudo apt-get install snort\n\n# \u542f\u52a8snort\nsudo snort -c \/etc\/snort\/snort.conf<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u901a\u8fc7\u5b89\u88c5\u548c\u914d\u7f6esnort\uff0c\u4f60\u53ef\u4ee5\u5728Linux\u670d\u52a1\u5668\u4e0a\u5b9e\u73b0\u5165\u4fb5\u68c0\u6d4b\u529f\u80fd\u3002<\/p>\n<ol>\n<li>\u65e5\u5fd7\u76d1\u63a7<br \/>\u901a\u8fc7\u76d1\u63a7\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u4f60\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u5f02\u5e38\u6d3b\u52a8\u6216\u653b\u51fb\u3002\u5e38\u89c1\u7684\u670d\u52a1\u5668\u65e5\u5fd7\u6587\u4ef6\u5305\u62ec\/var\/log\/syslog\u3001\/var\/log\/auth.log\u7b49\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528grep\u547d\u4ee4\u8fc7\u6ee4\u65e5\u5fd7\u6587\u4ef6\u5185\u5bb9\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<pre># \u67e5\u627e\u767b\u5f55\u5931\u8d25\u7684\u8bb0\u5f55\ngrep 'Failed' \/var\/log\/auth.log\n\n# \u67e5\u627e\u6210\u529f\u767b\u5f55\u7684\u8bb0\u5f55\ngrep 'Accepted' \/var\/log\/auth.log<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u901a\u8fc7\u67e5\u627e\u5173\u952e\u8bcd\uff0c\u4f60\u53ef\u4ee5\u53d1\u73b0\u662f\u5426\u6709\u5f02\u5e38\u7684\u767b\u5f55\u5c1d\u8bd5\u3002<\/p>\n<ol>\n<li>\u5b9a\u65f6\u4efb\u52a1<br \/>\u5b9a\u65f6\u4efb\u52a1\uff08Cron Jobs\uff09\u662fLinux\u4e2d\u5e38\u7528\u7684\u81ea\u52a8\u5316\u5de5\u5177\u3002\u901a\u8fc7\u8bbe\u7f6e\u5b9a\u65f6\u4efb\u52a1\uff0c\u4f60\u53ef\u4ee5\u5b9a\u671f\u8fd0\u884c\u4e00\u4e9b\u811a\u672c\u6216\u547d\u4ee4\uff0c\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n<pre># \u7f16\u8f91\u5b9a\u65f6\u4efb\u52a1\u914d\u7f6e\ncrontab -e\n\n# \u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff0c\u6bcf\u5929\u6267\u884c\u4e00\u6b21\n0 0 * * * \/path\/to\/script.sh<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u811a\u672cscript.sh\u5c06\u5728\u6bcf\u5929\u5348\u591c\u6267\u884c\u3002<\/p>\n<ol>\n<li>\u5bc6\u7801\u7b56\u7565<br \/>\u8bbe\u7f6e\u5f3a\u5bc6\u7801\u7b56\u7565\u53ef\u4ee5\u9632\u6b62\u88ab\u731c\u6d4b\u6216\u66b4\u529b\u7834\u89e3\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528passwd\u547d\u4ee4\u4fee\u6539\u7528\u6237\u5bc6\u7801\uff0c\u5e76\u4f7f\u7528\u5bc6\u7801\u7b56\u7565\u5de5\u5177\u589e\u5f3a\u5bc6\u7801\u5f3a\u5ea6\u3002\u4f8b\u5982\uff0c\u4f7f\u7528pwqcheck\u5de5\u5177\uff1a<\/li>\n<\/ol>\n<pre># \u5b89\u88c5pwqcheck\nsudo apt-get install libpam-pwquality\n\n# \u7f16\u8f91\u5bc6\u7801\u7b56\u7565\u914d\u7f6e\nsudo nano \/etc\/pam.d\/common-password<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u5bc6\u7801\u7684\u6700\u5c0f\u957f\u5ea6\u3001\u8981\u6c42\u5305\u542b\u7684\u5b57\u7b26\u7c7b\u578b\u7b49\u3002<\/p>\n<p>\u603b\u7ed3<br \/>\u547d\u4ee4\u884c\u5de5\u5177\u662f\u4fdd\u62a4Linux\u670d\u52a1\u5668\u7684\u91cd\u8981\u6b66\u5668\u3002\u901a\u8fc7\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3001\u4f7f\u7528IDS\u5de5\u5177\u3001\u76d1\u63a7\u65e5\u5fd7\u3001\u8bbe\u7f6e\u5b9a\u65f6\u4efb\u52a1\u4ee5\u53ca\u5f3a\u5316\u5bc6\u7801\u7b56\u7565\uff0c\u4f60\u53ef\u4ee5\u52a0\u5f3a\u5bf9\u670d\u52a1\u5668\u7684\u4fdd\u62a4\u3002\u6b64\u5916\uff0c\u4e86\u89e3\u5e76\u53ca\u65f6\u66f4\u65b0\u4e0e\u670d\u52a1\u5668\u76f8\u5173\u7684\u5b89\u5168\u8865\u4e01\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u7136\u800c\uff0c\u8fd9\u53ea\u662f\u5165\u95e8\u7ea7\u7684\u5b89\u5168\u63aa\u65bd\u3002\u4e3a\u4e86\u66f4\u5168\u9762\u5730\u4fdd\u62a4\u4f60\u7684\u670d\u52a1\u5668\uff0c\u4f60\u8fd8\u9700\u8981\u6df1\u5165\u5b66\u4e60\u7f51\u7edc\u5b89\u5168\u7684\u57fa\u672c\u77e5\u8bc6\uff0c\u4ee5\u53ca\u5176\u4ed6\u7684\u9ad8\u7ea7\u6280\u672f\u3002<\/p>\n<p>\u6709\u4e86\u8fd9\u4e9b\u9632\u5fa1\u5de5\u5177\u548c\u77e5\u8bc6\uff0c\u76f8\u4fe1\u4f60\u53ef\u4ee5\u66f4\u597d\u5730\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\uff0c\u62b5\u5fa1\u5404\u79cd\u5b89\u5168\u5a01\u80c1\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u547d\u4ee4\u884c\u5de5\u5177\u662f\u4f60\u7684\u9632\u5fa1\u6b66\u5668\uff1a\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\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>\u547d\u4ee4\u884c\u5de5\u5177\u662f\u4f60\u7684\u9632\u5fa1\u6b66\u5668\uff1a\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668 \u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0cLinux\u64cd\u4f5c\u7cfb\u7edf\u5728\u670d\u52a1\u5668\u9886\u57df\u4e2d\u7684\u666e\u53ca\u7387\u8d8a\u6765\u8d8a\u9ad8\u3002\u7136\u800c\uff0cLinux\u670d\u52a1\u5668\u4e5f\u9762\u4e34\u7740\u5404\u79cd\u7f51\u7edc\u5b89\u5168\u5a01\u80c1\u3002\u4e3a\u4e86\u4fdd\u62a4\u4f60\u7684\u670d\u52a1\u5668\u514d\u53d7\u9ed1\u5ba2\u653b\u51fb\u548c\u6076\u610f\u8f6f\u4ef6\u7684\u4fb5\u5bb3\uff0c\u5b66\u4f1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002 \u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\u548c\u6280\u672f\uff0c\u5e2e\u52a9\u4f60\u4fdd\u62a4\u4f60\u7684Linux\u670d\u52a1\u5668\u3002 \u9632\u706b\u5899\u7ba1\u7406\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u672a\u6388\u6743\u8bbf\u95ee\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u6765\u914d\u7f6e\u548c\u7ba1\u7406\u9632\u706b\u5899\u89c4\u5219\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a # \u5141\u8bb8\u7279\u5b9aIP\u8bbf\u95eeSSH iptables -A INPUT -s 192.168.1.1 -p tcp &#8211;dport 22 -j ACCEPT # \u963b\u6b62\u6240\u6709\u5176\u4ed6SSH\u8bbf\u95ee iptables -A INPUT -p tcp &#8211;dport 22 -j DROP # \u5141\u8bb8Ping iptables -A INPUT -p icmp &#8211;icmp-type 8 -j ACCEPT \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u4e9b\u89c4\u5219\u5c06\u5141\u8bb8IP\u4e3a192.168.1.1\u7684\u4e3b\u673a\u8bbf\u95eeSSH\uff0c\u5e76\u963b\u6b62\u5176\u4ed6IP\u5bf9SSH\u7684\u8bbf\u95ee\u3002\u540c\u65f6\uff0c\u5141\u8bb8ICMP Ping\u8bf7\u6c42\u3002 \u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\uff08Intrusion Detection System, IDS\uff09IDS\u53ef\u4ee5\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff0c\u5e76\u53d1\u73b0\u4efb\u4f55\u5f02\u5e38\u884c\u4e3a\u6216\u6f5c\u5728\u7684\u653b\u51fb\u3002snort\u662f\u4e00\u4e2a\u8457\u540d\u7684\u5f00\u6e90IDS\u5de5\u5177\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a # \u5b89\u88c5snort sudo apt-get install snort # \u542f\u52a8snort sudo [&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-16891","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16891","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=16891"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16891\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}