https://github.com/stanaka/mod_dosdetector
参考にさせて頂きました → http://blog.prophet.jp/1175
$ wget https://github.com/stanaka/mod_dosdetector/archive/master.zip $ unzip mod_dosdetector-master.zip $ cd mod_dosdetector-master $ vi Makefile old) APXS=/usr/sbin/apxs new) APXS=/home/end0tknr/local/apache24/bin/apxs $ make install $ vi /home/end0tknr/local/apache24/conf/httpd.conf LoadModule rewrite_module modules/mod_rewrite.so LoadModule dosdetector_module modules/mod_dosdetector.so <IfModule mod_dosdetector.c> DoSDetection on DoSPeriod 30 DoSThreshold 30 DoSHardThreshold 60 DoSBanPeriod 60 DoSTableSize 100 DoSForwarded on DoSIgnoreContentType ^(image/|application/javascript|text/css) DoSIgnoreIpRange 10.82.96.129 </IfModule> RewriteEngine On RewriteCond %{ENV:SuspectHardDoS} =1 RewriteRule .* - [R=503,L] ErrorDocument 503 "Server is busy."