fedora open port

I am new CentOS/RHEL 5.x/6.x user. How do I open port 80 (Apache Web Server) under Red Hat / CentOS / Fedora Linux?

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Q. I’ve Redhat Enterprise Linux 5 server with Iptabeles firewall enabled. By default it is only allowing port 22. How do I open port 80 / 143 / 110 on Linux? I’ve started all services but don’t know how to open port using iptables. A. By default iptables firewall stores its configuration at /etc/sysconfig/iptables file. […]

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