Thankyou all for your reponses

On my bridge box I did what you all suggested

iptables -A FORWARD -j DROP


Here is what iptables -L shows me

Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination
DROP       all  --  anywhere             anywhere

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination


However I am still able to ping from my laptap on eth1 to yahoo.com
I am also able to ping my laptop from other subnets as well.

Any other suggestion would be very helpful

Thankyou friends

Fazal


Lennert Buytenhek wrote:
> 
> On Wed, Jan 30, 2002 at 05:53:05PM -0500, Lookman Fazal wrote:
> 
> > I thought by doing iptables -A INPUT -j DROP will block everything. I
> > got this from the FIREWALL file in your doc directory
> 
> <quote>
> Now if you boot with this kernel, you can use the regular iptables
> firewalling as if you were doing routing.  So, rules for forwarding are
> added to the FORWARD chain, rules for input to the local machine are
> added to the INPUT chain, etc.
> </quote>
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