openssh bugs - Oct 2003 - [Bug 726] sftp working for list files, and download, but not for uploading

http://bugzilla.mindrot.org/show_bug.cgi?id=726

           Summary: sftp working for list files, and download, but not for
                    uploading
           Product: Portable OpenSSH
           Version: -current
          Platform: UltraSparc
        OS/Version: Solaris
            Status: NEW
          Severity: normal
          Priority: P2
         Component: sftp
        AssignedTo: openssh-bugs at mindrot.org
        ReportedBy: jas at cs.yorku.ca


A user of mine is connecting via DSL service to our sftp server as part of
OpenSSH 3.7.1p2.  He claims that he used to be able to upload/download files
fine successfully.  Now, he can list files, and download files, but he cannot
upload files.  He says that all uploaded files end up being 0 bytes in size.  I
asked him to upgrade to the latest OpenSSH 3.7.1p2 because he was using an
earlier client.  He did this.  He reports that now, the session goes like this:

[minas at localhost minas]$ sftp cs.yorku.ca
Connecting to cs.yorku.ca...
minas at cs.yorku.ca's password:
sftp> version
SFTP protocol version 3
sftp> put cviureview_online
Uploading cviureview_online to /cs/home/minas/cviureview_online
cviureview_online                               0%    0     0.0KB/s --:--
ETA
> cviureview_online                               0%    0     0.0KB/s --:--
ETA
> cviureview_online                               0%    0     0.0KB/s>
--:-- ETA
> cviureview_online                               0%    0     0.0KB/s ->
stalled
... and hangs.

He is running on Linux and the server is running on Solaris, but I have been
able to transfer files locally from the Linux box to the Solaris box.  It seems
like a bug, but I'm not sure what it is or what to recommend to him in order
to
assist in solving this problem.

The user can login via ssh without any problems.



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http://bugzilla.mindrot.org/show_bug.cgi?id=726





------- Additional Comments From dtucker at zip.com.au  2003-10-03 01:23 -------
Could be an MTU problem.  See:
http://www.snailbook.com/faq/mtu-mismatch.auto.html



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http://bugzilla.mindrot.org/show_bug.cgi?id=726

jas at cs.yorku.ca changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID



------- Additional Comments From jas at cs.yorku.ca  2003-10-07 23:32 -------
Problem turned out to be MTU related.
Thanks Darren!

Bug ID closed.



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