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SubjectRe: Bridging with 2.2.5
On Tue, 15 Jun 1999, Linux Kernel list wrote:

> I had this problem too... you made the right steps but not all of them...
> you should enable forwarding with ipchains:
> echo 1 > /proc/sys/net/ipv4/ip_forward
> ipchains -P forward DENY
> ipchains -A forward -s 0:65535 -d 0:65535 -j MASQ -p ICMP
> ipchains -A forward -s 0:65535 -d 0:65535 -j MASQ -p ICMP
> you may want also to forward TCP and UDP also... it would be highly
> recommended but it depends on your intentions/setup....
> I would also reccomend to change the IP addresses of the cards to some
> other available class lile
> and to upgrade your kernel to linux-2.2.10
> In the same way you describe and I added to it what it is desbribed above
> the bridgind works fine here at my workplace....

Do you really have to mess around with IP forwarding/firewalling to
use bridging? I thought that since bridging is level 2 and IP is
level 3 so the IP code doesn't even see the packet that is being
forwarded by the bridge..


..all in all it's just another rule in the firewall.

/Ping Flood/

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