End of my rope

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Date: Tue, 29 Jul 2003 00:34:55 -0600
To: secureshell@securityfocus.com

I'm at the end of my rope on this one. I've exhausted every other
source of information that I could find to no avail. So here I am.

I've recently moved to a new place and had to get wireless internet
access using the Motorola Canopy Wireless equipment. I'm leaning
towards the problem may be in the Canopy equipment and not in any of my
settings or software.

I'm running Linux with OpenSSH and Windows with Putty.

My problem and symptoms are as follows:

1) OpenSSH client on Linux inside my network hangs immediatly after
negotiation with an to an outside OpenSSH server on Linux.

2) OpenSSH client on Linux outside my network hangs immediatly after
negotiation with my internal OpenSSH server on Linux.

3) OpenSCP client on Linux on the inside works when moving files to/from
a OpenSCP linux server on the outside.

4) OpenSCP client on Linux on the outside somtimes works when moving
files to/from a OpenSCP linux server on the inside. Sometimes means,
some clients work, while others do not. The only common thread I saw
was the client that doesn't work, uses a rsa key to bypass manual
authentication.

5) Putty client on Windows 2K on the inside of the network can connect
to any OpenSSH server on the outside.

6) Putty client on Windows 2K on the outside cannot connect to a OpenSSH
server running on Linux on the inside.

7) Another subscriber reported: Cygwin OpenSSH client on Win2K on the
inside can connect to any server on the outside.

8) Another subscriber reported: Putty SSH client on W2k on the Outside
can connect to Cygwin OpenSSH server on the inside.

9) Another subscriber reported: Same symptoms as 1-2.

I don't know what is causing this problem. I've tried setting my MTU as
low as 500 and it made no difference. According to the other subscriber
and the results of my Putty tests, it appears that OpenSSH works with
Windows 2K but not Linux.

I have the log output from a external OpenSSH client on Linux connecting
to a internal OpenSSH server on Linux on the inside. Instead of
cluttering up this mailing list with the log outputs, I'll include the
links to the logs:
ftp://ftp.chrisdos.com/pub/sshd_log.txt
ftp://ftp.chrisdos.com/pub/ssh_log.txt

If anyone has some time to looks at these logs I would greatly
appreciate it. I've spent a lot of time pulling my hair out about this
one and it's driving me nuts and it's making me use Windows to do my
work when I'd rather be using Linux. Thanks in advance for the help.

        Chris

-- 
Chris Dos

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