Open Port in Redhat

Instructions

1. nano /etc/sysconfig/iptables
2. Insert the following line with the desired port number (in this case, replace 22 with desired port)
   • -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
3. Save and close the file
4. /etc/init.d/iptables restart

See Also

• http://www.cyberciti.biz/faq/howto-rhel-linux-open-port-using-iptables/