Install PHPyum groupinstall "Web Server"
yum install php php-mysql
/etc/init.d/iptables stop
iptables -F
iptables -A INPUT -p tcp --dport 80 -j ACCEPT
iptables -A OUTPUT -p tcp --sport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j ACCEPT
iptables -A OUTPUT -p tcp --sport 443 -j ACCEPT
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
iptables -A INPUT --j DROP
iptables -A OUTPUT --j DROP
service iptables save