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SubjectRe: kernel network problem ?
On Fri, Jan 05, 2001 at 03:34:07PM +0100, Nicolas Parpandet wrote:
> Hi all,
>
> I'm testing 2.4 series for few weeks,
> even the last prerelease
>
> I've seen stranges things :
>
> I cannot access to some ips adresses ! :
> in http or in smtp using "konqueror", "netscape",
> "mail", "telnet 25".


Turn off the TCP_ECN option from your configuration,
or do:
echo 0 > /proc/sys/net/ipv4/tcp_ecn
(as root)

For foreseeable future, the world will be full of firewalls
doing wrong thing when they see TCP ECN bits in TCP header's
formerly "reserved, set to zero" bits.

> Nicolas.

/Matti Aarnio
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