Configuring the Firewall
EL6
Step 1: Access the server through SSH with an account with administrative privileges;
Step 2: Open ports TCP/80 and TCP/443 on the local firewall with the following commands:
# iptables -I INPUT 1 -p tcp -m tcp --dport 443 -j ACCEPT
# iptables -I INPUT 1 -p tcp -m tcp --dport 80 -j ACCEPT
Step 3: Save the local firewall configurations with the following command:
# /etc/init.d/iptables save