IPFW config

Chris Hodgins chodgins at cis.strath.ac.uk
Sun Feb 20 18:20:05 GMT 2005

SigmaX wrote:
> Heya;
> I have a FreeBSD 5.3 server that I access over SSH.  I followed the 
> handbook guide to loading the ipfw kernel module to setup a firewall.  I 
> made the mistake the other day of loading the firewall, which defaults 
> to block all, and rebooting, so I couldn't get into the system again 
> (Had to drive in and fix it :-P).  Anyway, what I need to know is how to 
> edit the ruleset manually BEFORE enabling the firewall.  I need to set 
> the rules, then load the kernel module, not vise versa.  I've never 
> dealt with ipfw without webmin, so I need some explicit answers :-).
> What I need to do its this:
> Set IPFW to allow traffic on ports 80, 10000, and 23 (That's the default 
> SSH port, right?)
> Then start IPFW with the kernel module (I know how to do this)
>    Thanx,
>         SigmaX

You can put your rules in /etc/rc.firewall.  This is executed at startup.

See rc(8) and rc.conf(5).


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