{"id":411,"date":"2014-07-05T06:13:12","date_gmt":"2014-07-05T06:13:12","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=411"},"modified":"2014-07-05T06:13:12","modified_gmt":"2014-07-05T06:13:12","slug":"%e8%87%aa%e5%8a%a8%e5%b1%8f%e8%94%bd%e4%b8%80%e4%ba%9b%e6%81%b6%e6%84%8fip","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/411.html","title":{"rendered":"\u81ea\u52a8\u5c4f\u853d\u4e00\u4e9b\u6076\u610fIP"},"content":{"rendered":"<p>\u4e4b\u524d\u770b\u5230\u8fc7\u4e00\u7bc7\u6587\u7ae0\uff1a<a href=\"http:\/\/www.lovelucy.info\/vps-anti-scanning.html\" target=\"_blank\">VPS \u5c4f\u853d\u626b\u63cf\u7f51\u7ad9\u7684IP<\/a> \u91cc\u9762\u8bb2\u4e86\u4e00\u4e9bVPS\u5982\u4f55\u5c4f\u853d\u6076\u610fIP\u7684\u8bbf\u95ee\u7684\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u6bd4\u8f83\u53d7\u7528\uff0c\u4f46\u662f\u5176\u4e2d\u63d0\u5230\u7684\u90a3\u4e2aPerl\u811a\u672c\u4e0d\u77e5\u9053\u662f\u4e0d\u662f\u6211\u5bf9Perl\u4e0d\u591f\u719f\u6089\u5bfc\u81f4\u4e0d\u4f1a\u914d\u7f6e\u7684\u539f\u56e0\uff0c\u5728\u6211\u8fd9\u513f\u6ca1\u4ec0\u4e48\u6548\u679c{\u5f53\u7136\u4e5f\u548c\u6211\u8fd9blog\u672c\u6765\u5c31\u6ca1\u4ec0\u4e48\u4eba\u4f1a\u6765\u6076\u610f\u653b\u51fb\u6709\u5173\uff0c\u56e0\u4e3a\u4e0d\u503c\u5f97\u6d6a\u8d39\u653b\u51fb\u8d44\u6e90\u5728\u6211\u8fd9\u5c0fblog\u4e0a\uff0co(\u256f\u25a1\u2570)o}\uff0c\u800c\u6211\u81ea\u5df1\u4e5f\u4e00\u76f4\u60f3\u5199\u4e2a\u811a\u672c\u5b9e\u73b0\u548c\u4e4b\u524d\u7684\u5c4f\u853d\u6307\u5b9a\u56fd\u5bb6\u7684IP\u7684\u529f\u80fd\uff0c\u4e0d\u8fc7\u4e00\u76f4\u6ca1\u627e\u5230\u5207\u5165\u70b9\u548c\u65b9\u6cd5\uff0c\u540e\u6765\u5728\u6211\u7ecf\u5e38\u4f7f\u7528\u7684\u7528awk\u7edf\u8ba1\u547d\u4ee4top10\u7684\u65f6\u5019\u60f3\u5230\u4e86\u65b9\u6cd5\uff0c\u518d\u52a0\u4e0a\u6162\u6162\u641c\u7d22awk\u7684\u4e00\u4e9b\u7f16\u7a0b\u8303\u4f8b\uff0c\u6298\u817e\u4e86\u4e00\u4e0b\u5c31\u51fa\u4e86\u4e2a\u5927\u6982\u7684\u65b9\u6848\uff0c\u611f\u89c9\u8fd8\u884c\uff0c\u4f46\u73b0\u5728\u6ca1\u8fd9\u6761\u4ef6\u6d4b\u8bd5\uff08\u6ca1\u653b\u51fb\u6d41\u91cf\u8fc7\u6765\uff0c\u5f53\u7136\u6211\u4e5f\u4e0d\u5e0c\u671b\u6709\uff0c\u611f\u8c22\u5927\u5bb6\u4e5f\u4e0d\u8fd9\u4e48\u505a\uff09\uff0c\u5148\u653e\u811a\u672c\u4e0a\u6765\u5427\uff1a<\/p>\n<pre class=\"lang:sh decode:true\">#!\/bin\/bash\n\nIPTABLES=\/sbin\/iptables\nlog_file = \"\/path\/to\/access.log\"\nerror_block = 10\nexpire_time = 7200\n\n#tail --follow=$log_file\nawk '\/ 404 \/{status404[$1]++}; END {for (IP in status404) print status404[IP]\"t\", IP}' $log_file | sort -nr | awk '{if($1&gt;$error_block) {print $2}}' | tee 404_ipList.txt\n\nfor ip in 404_ipList.txt\ndo\n\techo \"blocking $ip\"\n\t$IPTABLES -A INPUT -s $ip -j DROP\ndone\n\n# after $expire_time seconds, you can empty the 404_ipList.txt\n\n#---------------------------#\n#awk '{if($9 ~ \/404\/){status404[$1]++}} END {for (IP in status404) print status404[IP]\"t\", IP}' $log_file | sort -nr | awk '{if($1&gt;$error_block) {print $2}}' | tee 404_ipList.txt\n\n#awk '{if($9==404){status404[$1]++}} END {for (IP in status404) print status404[IP]\"t\", IP}' $log_file | sort -nr | awk '{if($1&gt;$error_block) {print $2}}' | tee 404_ipList.txt<\/pre>\n<h6>\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u4e00\u4e9b\u95ee\u9898\uff1a<\/h6>\n<p>awk &#8216;<span style=\"color: #ff0000;\">if($9==404){status404[$1]++};<\/span> END {for (IP in status404) print status404[IP]&#8221;t&#8221;, IP}&#8217; \/path\/to\/access.log | sort -nr | awk &#8216;{if($1&gt;10) {print $2}}&#8217; | tee 404_ipList.txt<\/p>\n<p>\u5728\u6267\u884c\u4e0a\u9762\u7684\u547d\u4ee4\u65f6\u603b\u662f\u62a5\u9519\uff1a<br \/>\nawk: ^ syntax error<\/p>\n<p>\u540e\u6765\u6211\u5230\u5904\u627eawk\u7684if\u8bed\u53e5\u7684\u8bed\u6cd5\uff0c\u5bf9\u6bd4\u4e86\u4e00\u4e0b\u4e5f\u6ca1\u53d1\u73b0\u660e\u663e\u7684\u9519\u8bef(\u5f53\u7136\u4e5f\u548c\u522b\u5904\u6ca1\u6709\u76f4\u63a5\u5bf9\u5e94\u7684\u4f8b\u5b50\u6709\u5173)\uff0c\u7136\u540e\u6211\u8bd5\u7740\u5bf9\u8fd9\u4e2aif\u5224\u65ad\u8bed\u53e5\u53ca\u540e\u9762\u7684\u64cd\u4f5c\u8fd9\u4e00\u6574\u4f53\u6dfb\u52a0\u5927\u62ec\u53f7\uff0c\u679c\u7136\u5c31\u6ca1\u4e8b\u4e86\uff0c\u770b\u6765\u826f\u597d\u7684\u7f16\u7a0b\u4e60\u60ef\u771f\u7684\u662f\u6709\u52a9\u4e8e\u51cf\u5c11\u9519\u8bef\u7684\u6982\u7387\u554a\uff01<br \/>\nawk &#8216;<span style=\"color: #ff0000;\">{if($9==404){status404[$1]++}}<\/span> END {for (IP in status404) print status404[IP]&#8221;t&#8221;, IP}&#8217; \/path\/to\/access.log | sort -nr | awk &#8216;{if($1&gt;10) {print $2}}&#8217; | tee 404_ipList.txt<\/p>\n<p>====<\/p>\n<h6>\u6539\u8fdb\u4e86\u4e4b\u540e\u7684\u4e00\u4e2a\u7248\u672c\uff08\u6dfb\u52a0\u4e86\u4e00\u4e2a\u767d\u540d\u5355\uff09\uff1a<\/h6>\n<pre class=\"lang:default decode:true\">#!\/bin\/bash\n\nIPTABLES=\/sbin\/iptables\nlog_file = \"\/path\/to\/access.log\"\nerror_block = 10\n\n#tail --follow=$log_file\nawk '\/ 404 \/{status404[$1]++}; END {for (IP in status404) print status404[IP]\"t\", IP}' $log_file | sort -nr | awk '{if($1&gt;$error_block) {print $2}}' | tee 404_ipList.txt\n\nwhitelist=$(last | grep -Ev '^$|mosh|reboot|wtmp' | awk '{print $3}' | sort | uniq | xargs)\n\nfor ip in 404_ipList.txt\ndo\n\tif ! $(echo ${whitelist} | grep -wq ${ip}); then\n\t\techo \"blocking ${ip}\"\n\t\t$IPTABLES -I INPUT -s ${ip}\/32 -p tcp -m tcp --dport 80 -j DROP\n\tfi\ndone<\/pre>\n<h6>\u4e00\u4e9b\u53c2\u8003\u8d44\u6599\uff1a<\/h6>\n<ul>\n<li>Shell\u7f16\u7a0b-awk &#8211; perlman &#8211; \u535a\u5ba2\u56ed <a href=\"http:\/\/www.cnblogs.com\/softwaretesting\/archive\/2012\/02\/02\/2335332.html\" target=\"_blank\">http:\/\/www.cnblogs.com\/softwaretesting\/archive\/2012\/02\/02\/2335332.html<\/a><\/li>\n<li>AWK \u7b80\u660e\u6559\u7a0b | \u9177 \u58f3 &#8211; CoolShell.cn <a href=\"http:\/\/coolshell.cn\/articles\/9070.html\" target=\"_blank\">http:\/\/coolshell.cn\/articles\/9070.html<\/a><\/li>\n<li>linux shell awk \u6d41\u7a0b\u63a7\u5236\u8bed\u53e5\uff08if,for,while,do)\u8be6\u7ec6\u4ecb\u7ecd<a href=\"http:\/\/www.cnblogs.com\/chengmo\/archive\/2010\/10\/04\/1842073.html\" target=\"_blank\">http:\/\/www.cnblogs.com\/chengmo\/archive\/2010\/10\/04\/1842073.html<\/a><\/li>\n<li>linux awk \u5185\u7f6e\u51fd\u6570\u8be6\u7ec6\u4ecb\u7ecd\uff08\u5b9e\u4f8b\uff09<a href=\"http:\/\/www.cnblogs.com\/chengmo\/archive\/2010\/10\/08\/1845913.html\" target=\"_blank\">http:\/\/www.cnblogs.com\/chengmo\/archive\/2010\/10\/08\/1845913.html<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e4b\u524d\u770b\u5230\u8fc7\u4e00\u7bc7\u6587\u7ae0\uff1aVPS \u5c4f\u853d\u626b\u63cf\u7f51\u7ad9\u7684IP \u91cc\u9762\u8bb2\u4e86\u4e00\u4e9bVPS\u5982\u4f55\u5c4f\u853d\u6076\u610fIP\u7684\u8bbf\u95ee\u7684\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u6bd4\u8f83\u53d7\u7528 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,7,25,12],"tags":[74,29],"class_list":["post-411","post","type-post","status-publish","format-standard","hentry","category-linux","category-programing","category-security","category-tools","tag-awk","tag-iptables"],"views":3485,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/411","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=411"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/411\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}