Re: TIME_WAIT/MSL is 2 seconds--bug/feature?

Andi Kleen (ak@muc.de)
Wed, 5 Jan 2000 02:24:00 +0100

On Tue, Jan 04, 2000 at 11:08:10PM +0100, Joe Cooper wrote:
> 16:07:36.064957 10.1.0.1.1044 > 10.1.0.20.3128: S 212151377:212151377(0)
> win 16384 <mss 1460> (DF) (ttl 64, id 2266)
> 16:07:36.065021 10.1.0.20.3128 > 10.1.0.1.1044: R

This expects the RFC1337 Time-Wait assisanation. Linux has turned it off
per default. Linux is correct according to the TCP spec, RFC1337 is an
extension that has other bugs.
You can enable it with echo 1 > /proc/sys/net/ipv4/tcp_rfc1337 if you
really want.
msl_test is certainly wrong in expecting it on every Internet host.

-Andi

-- 
This is like TV. I don't like TV.


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