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SubjectRe: kernel 2.4.0-test9 and Cisco Pix Firewall - Might be a bug???
FAQ, echo 0 > /proc/sys/net/ipv4/tcp_ecn

-d

Fabio Massimo Di Nitto wrote:

> Hi all,
> I finished a fresh debian installation (woody) with kernel 2.4.0-test9
> (tested
> in various configurations) and 2.2.17 + pcmcia (latest release)
>
> All the installation is on a laptop with pcmcia support enable for my 2
> eth's.
>
> The situation of my network is like this:
>
> box eth0 ---> Cisco Pix Firewall ---> real internet
> box eth1 ---------------------------> real internet
>
> my normal configuration is with eth1 down so all packets have to
> "travel" trough
> the Pix.
>
> With kernel 2.2.17 everything work fine.
> Using kernel 2.4.0-test9 no.
>
> I disabled each kind of iptables or ipchains in a way that my box is
> fully "open".
>
> I got that all connections to the localnet are ok while all tcp
> connections from my
> box to the real internet don't work. I receive a "Connection Refused"
> while i'm able
> to perform ping or traceroute to the same host.
>
> So I setuped my eth1 directly on the real internet and everything worked
> fine.
>
> (also routing was ok in all conditions)
>
> Any idea why there's problem???
>
> Fabio
> -
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