On Friday 29 Aug 2003 3:50 pm, Terry Sheltra wrote:
> I'm having some interesting happenings using the Firewall utility in
> MCC.  I'm using a laptop that has both a wireless card, as well as a
> wired NIC.  My wireless works just fine until I try to turn on the
> firewall.  As soon as I do, the firewall effectively blocks all
> connections with my wireless card.  The only way I can access the
> outside world with the firewall on is by connecting to a wired network.
>   Running "ifconfig" shows that my wireless card is "eth1" and my NIC is
> "eth0".  Any suggestions on what I can do to get the firewall to play
> nicely with my wireless card?
>
> Thanks!
>
> Terry


The Firewall GUI in MCC has a habit of getting the interfaces to the internet 
and the local network back to front.

Take a look at /etc/shorewall/interfaces that file decides which interface is 
which.

/etc/shorewall/policy  determines how to treat packets coming from each 
interface.

/etc/shorewall/rules defines the 'exceptions' to the general policy.

/etc/shorewall/masq defines internet connection sharing (masquerading)

After making any change 'shorewall restart'

See www.shorewall.net for detailed documentation.

HTH

derek
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