Well Installing ConfigServer Security & Firewall is very easy. Just Follow the Setps Below
Installation Part:-
Command:-
rm -fv csf.tgz
wget http://www.configserver.com/free/csf.tgz
tar -xzf csf.tgz
cd csf
sh install.sh
Now you check do your server has required iptables or not
Command:-
perl /etc/csf/csftest.pl
Uninstallation Part:-
Command:-
On cPanel servers:
cd /etc/csf
sh uninstall.sh
On DirectAdmin servers:
cd /etc/csf
sh uninstall.directadmin.sh
On generic linux servers:
cd /etc/csf
sh uninstall.generic.sh