[Bug 202] scp/ssh hangs

bugzilla-daemon at mindrot.org
Fri, 13 Sep 2002 07:56:38 -0000

http://bugzilla.mindrot.org/show_bug.cgi?id=202

haldane at princeton.edu changed:

           What    |Removed                     |Added
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                 CC|                            |haldane at princeton.edu



------- Additional Comments From haldane at princeton.edu  2002-09-13 17:56
-------
AARGH!  This bug has got me too...
Its present in the scp client of openssh-3.1p1,  but NOT in openssh-3.0p1.

The server is an old version  sshd2 of ssh-2.0.13  (from SSH Inc.),
              SSH-1.99-2.0.13 (non-commercial)
but for various reasons the server can't be upgraded at present  :-(
so I'll have to downgarde my client to  openssh-3.0p1 to access that server.

File transfers FROM the server fail, but transfers TO the server work fine.
Its a change that occurred going from 3.0p1 to 3.1p1, so (?)
it might be easy to identify.

The bug (?) is still there in openssh-3.4p1
Its present in both the Windows client (Cygwin) and on Linux.    However the
same
problem seems to afflict the latest SSH inc "noncommercial use"
windows client,
so maybe  some "more correct" implementation of the protocol has
exposed a
bug in the old implementations.

The file transfer almost gets completed, but hangs at the very end, a few
10's of  KB
before the end.    Only very short files get through.  (below say 30KB).

If someone gives me a clue where to start, I could hack the client with
printf's to
maybe see whats going on and find out whats hanging.

This is a very annoying problem for me, as I've come
to rely on scp file transfers of work-in-progress from that server,


Duncan Haldane
<haldane at princeton.edu>

September 13, 2002.





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