Linux, ECN and old firewalls

Mon Apr 30 00:01:26 UTC 2001

Several other higher profile sites (yahoo comes to mind) were doing the
same thing until I also turned that option off.

I have a feeling it's not only the pix that is broken in this respect.

Jason

-- 
Jason Slagle - CCNP - CCDP
Network Administrator - Toledo Internet Access - Toledo Ohio
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On Sun, 29 Apr 2001, ken harris. wrote:

> >Bumped into a problem where my firewall was refusing connections from a
> >linux machine, found the reason and thought I would share:
> 
> saw similar problems around last august (i think) .. hotmail was refusing
> connections from one of my linux boxes. a bit of research showed me the
> following:
> 
> the workaround i was using was:
> echo "0" >/proc/sys/net/ipv4/tcp_ecn
> 
> (though i was kind of pissed i had to even use a workaround and those
> sites were being too stubborn to fix their gear).