LARTC - May 2003 - 3 point bridge with dropping packets from particular source addies

(I have mirroed this question locally to the bridge mailing list also)
ok heres the setup

ROUTER
|
|(public)
|
bridge --priv-- NAT
|
|
Clients

clients have 4 possbile addresses
192.168.33.0
192.168.34.0
and
public
1.2.3.x
4.5.6.x

I want to only allow the 192.168.. addy to go to the priv interface
and same 4 the public only out the public interface

so could i just say in my iptables
source address: 1.2.3.x or 4.5.6., out interface: NAT, jump DROP on the
output table
and
source address: 192.168.33.x and 192.168.34.x out interface: public,  DROP
on the output table

would that cuase any funky issues?

my book says no because as i understand a bridge it just mirrors all traffic
to another interface correct?

Chris K Ellsworth

Chris K Ellsworth

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