Mod_security installation error

Hi, I got mod security installation error while trying in two methods. 1. yum install mod_security This was resulted in the belo dependancy error: --- Error: Package: 1:mod_security-2.9.2-2748.el6.art.x86_64 (atomic) Requires: httpd-mmn = 20051115 Error: Package: 1:mod_security-2.9.2-2748.el6.art.x86_64 (atomic) Requires: httpd --- 2. Instaaling through EasyApache: --- !! Failed to install CPAN Perl module(s) GnuPG Regexp::Assemble !! --- Kindly help me to overcome this issue.