iptables info

[Tyler Littlefield]

Hello list,
I was wondering where I could find info on using iptables modules, what 
modules there are, etc.
I'd like to set up a more comprehensive firewall--currently I just limit 
what comes in.
Also, if i wanted to recompile the kernel with debian with new modules, (I 
think there was a site somewhere that had modules for network security and 
etc--don't remember), is there a way I can retrieve the current source but 
use my old configuration? I'd like to set things up on a new kernel (compile 
in modules, add speakup), etc.


Thanks,
Tyler Littlefield
email: tyler at tysdomain.com
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