nanog mailing list archives

Re: Linux, ECN and old firewalls


From: Jason Slagle <raistlin () tacorp net>
Date: Sun, 29 Apr 2001 20:01:26 -0400 (EDT)



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
- raistlin () tacorp net - jslagle () toledolink com - WHOIS JS10172
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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).



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