Firewall on Fedora how it works, and runs by default

[Joseph L. Casale]

>I have been happy with the default setup, but I don't know how it works.

Are you asking what goes on in the kernel wrt iptables or simply
how to manage it?

If you simply want to manage it, maybe a good read starts here:

http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:_Ch14_:_Linux_Firewalls_Using_iptables

Really, man iptables is pretty thorough, as I hate reading in a terminal,
I often use http://linux.die.net/man/8/iptables as a ref...