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Re: SSH failing to make connection

Daryl Spartz wrote:
I'm trying to ssh from cygwin to another system running AIX. The connection fails. They seem to be at different levels, but are they not backward compatible?

They ought to be - but you should also really only use version 2 - much, much more secure.

cygwin: $ ssh -V OpenSSH_4.2p1, OpenSSL 0.9.8 05 Jul 2005

This is fine.

AIX: $ ssh -V OpenSSH_3.7p1, SSH protocols 1.5/2.0, OpenSSL 0.9.7b 10 Apr 2003

UPGRADE!! Both the version of openssh and of openssl need updating, badly. There are various bugs and security holes, some of them reasonably major that have been fixed.

Snipet of Failing debug info from cygwin ssh -v -v ...:
debug2: we sent a password packet, wait for reply
debug1: Authentication succeeded (password).
debug1: channel 0: new [client-session]
debug2: channel 0: send open
debug1: Entering interactive session.
debug1: channel 0: free: client-session, nchannels 1
Connection to aix closed by remote host.
Connection to aix closed.

Could you try and run the sshd verbose mode, w/o it detaching, and perhaps give us more information? This seems to be more of an issue on the server rather than the client though..

<snip> Please *attach* cygcheck output in future!


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