[Bug 202] New: scp/ssh hangs

[bugzilla-daemon at mindrot.org]

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

           Summary: scp/ssh hangs
           Product: Portable OpenSSH
           Version: 3.1p1
          Platform: ix86
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P2
         Component: scp
        AssignedTo: openssh-unix-dev at mindrot.org
        ReportedBy: zheyang at cis.upenn.edu
                CC: zheyang at cis.upenn.edu


The program "scp" hangs invariably on large files (mine is 18M in length). This
behavior is observed with SSH version 3.1p1 under both Windows XP platform and
Linux [OpenSSH_3.1p1, SSH protocols 1.5/2.0, OpenSSL 0x0090602f].  

The sshd server is running on SunOS 5.8 (solaris).  I don't know its version,
but the accompanying ssh program shows 
"SSH version 1.2.32 [sparc-sun-solaris2.7], protocol version 1.5".  

I think that streaming under "ssh" doesn't work either: for example,
X-connection hangs up after a while (Xfree86 on Windows).

Adding "-oProtocol=1" makes everything work.

I tried OpenSSH 3.0.2p1 on Windows 2000 professional with the same sshd server
and copying large file causes no hanging problem.

This bug seems to be related to bug #124, reported by John Brown for the AIX
platform.

Zhe



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