disable mod security for single domain.
Steps :
1)Login to server as root.
2)Open mod security file.
vi /usr/local/apache/conf/modsec2.conf
3) put below line at end
SecRule SERVER_NAME “cpanelblog.in” phase:1,nolog,allow,ctl:ruleEngine=off
Note : replace cpanelblog.in domain with your domain.
4) Save and exit
5) Restart apache service.