laptop firewall rules

[Eric F Crist]

On Oct 30, 2005, at 4:41 PM, andy at neu.net wrote:

> Does anyone have a good example of a firewall ruleset for a wireless
> interface in a laptop, or a pointer to documentation?  I want to use
> IPFilter on 6.0 rc1.  I want to let all connections out and keep  
> state,
> but block all incoming from the outside.
>
> TIA


That ruleset is easy:

ipfw add check-state
ipfw add allow tcp from me to any setup keep-state
ipfw add allow tcp from any to any established
ipfw add deny from any to me in

This should do the trick.

-----
Eric F Crist
Secure Computing Networks
http://www.secure-computing.net