From owner-freebsd-security  Fri Sep 10  4:16:46 1999
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From: Zahemszky Gabor <zgabor@CoDe.hu>
Message-Id: <199909101114.NAA00834@CoDe.hu>
Subject: Re: ssh disconnects
In-Reply-To: <011f01befb35$669b12f0$fd01a8c0@pacbell.net> from John Howie at "Sep 9, 99 07:37:18 pm"
To: freebsd-security@freebsd.org
Date: Fri, 10 Sep 1999 13:13:38 +0200 (CEST)
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> There are problems with Windows 95/98/NT protocol stacks that can cause
> this. Check out TechNet at http://www.microsoft.com/technet I can't remember
> the KB Article, sorry...
> 
> > We have a situation where a customer gets these FTP slowdowns.  He is on
> > Pac Bell DSL but has a co-location with us.  Everytime he starts a large
> > FTP transfer it goes at full speed but slowly degrades.  His colocation is
> > running FreeBSD 3.2 and his office computer is Windows 98 with CuteFTP.
> >
> > Has anyone else seen this?

Well, we had it between 2.2.7 and an OS/2 Warp (3? 4? patches? - cannot
remember).  We had to change the ethercard to another _type_ (and driver :-)
on the os/2 machine.  The interesting thing was, ftp was perfect in one way,
and incremental slowdown on the other.  (we cannot wait an ftp of a 100K file)

And yesterday, I've found a similar problem between 3.[12] and W*.

local net with 192.168.x.x --- FBSD ed0 192.168.x.y -----------
                                |
                                | ed1 real IP to BigBadNet
                                |
                     ----------------------

Everything was OK (not perfect, but it's running), the local machines can surf,
etc, but ftp from localmachine -> fbsd: one way good, the other way sloow (_not_
slowdown, only slooooower - but we _can_ transfer >M files opposed to the
previous problem).  The problem was, that natd is running, but! configured to
the _wrong_ (ed0) interface.  After configuring it to the correct interface,
(a messing typo) it's fine.

ZGabor at CoDe dot HU

-- 
#!/bin/ksh
Z='21N16I25C25E30, 40M30E33E25T15U!' ;IFS=' ABCDEFGHIJKLMNOPQRSTUVWXYZ ';set $Z ;for i { [[ $i = ? ]]&&print $i&&break;[[ $i = ??? ]]&&j=$i&&i=${i%?};typeset -i40 i=8#$i;print -n ${i#???};[[ "$j" = ??? ]]&&print -n "${j#??} "&&j=;typeset +i i;};IFS=' 0123456789 ';set $Z;X=;for i { [[ $i = , ]]&&i=2;[[ $i = ?? ]]||typeset -l i;X="$X $i";typeset +l i;};print "$X"


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