Re: ?OT? Linux 2.6: bridge + routing firewall

Linux Advanced Routing and Traffic Control

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What you might be interested in as well is the physdev match witch will
let you filter traffic on physical devices

T o M

| On Fri, Feb 16, 2007 at 03:37:10PM +0200, ??????????? ?????? wrote:
I have some experience.

It seems that you should explicitely allow bridging in iptables as well
as in ebtables.

So, in addition to my bridge roules in ebtables I also have this rule in
iptables:

iptables -A FORWARD -i br0 -o br0 -j ACCEPT

Otherwise, it could block bridging by later rules or the policy.

?? ??????, 15/02/2007 ?? 13:44 -0200, Edesio Costa e Silva ??????????:
Hi All!

I need to deploy a bridge firewall using linux kernel 2.6. I had success
using kernel 2.4 plus br-nf patch. But the configuration does not work with
kernel 2.6.

If the default policy for the iptables FORWARD chain is ACCEPT I have a
bridge. If iptables FORWARD chain is DROP I have an insulator (no packet
flows). Any hint?

I did some google search and in many places they say "kernel 2.6 is not
recommended", "no luck with kernel 2.6", etc.

Any link to a success story of a bridge firewall with kernel 2.6? Any
personal experience?

Thanks in advance,

Edésio
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