SSH failing to make connection

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? cygwin: $ ssh -V OpenSSH_4.2p1, OpenSSL 0.9.8 05 Jul 2005 AIX: $ ssh -V OpenSSH_3.7p1, SSH protocols 1.5/2.0, OpenSSL 0.9.7b 10 Apr 2003

1.3.10: CRLF problem introduced in upgrade

I have the following in my .bashrc: export DISPLAY=`ipconfig | grep 'IP Address' | awk '{ split( $0, line, ": " ); print line[ 2 ] }'`":0" which after upgrading from 1.3.2 produces the following: $ echo $DISPLAY :02.168.2.23 A carriage return character is present overlaying the printed output.

1.3.10 CRLF occuring in output

The following bash script segment worked correctly prior to my upgrading cygwin (from 1.3.2 to 1.3.10): export DISPLAY=`ipconfig | grep 'IP Address' | awk '{ split( $0, line, ": " ); print line[ 2 ] }'`":0" now results in: $ echo $DISPLAY :02.168.2.23 A CR is left in the output and when elimina

1.3.10 ssh X forwarding fails: Write failed: invalid argument

ssh with X forwarding worked for me, on some version like 1.3.2, but after upgrade I get failure below. X server is Hummingbird Exceed 6.1 ... debug1: channel request 0: x11-req Write failed: Invalid argument debug1: Calling cleanup 0x412f44(0x0) ... $ cat .ssh/config ForwardX11 yes Compression

1.3.6 ssh Write failed: The descriptor is a file, not a socket

The subject line problem, reported back in November, 2001 was stated to be fixed in message archive post http://www.cygwin.com/ml/cygwin/2001-11/msg00694.html by Jeff Mincy. I am running 1.3.6 and STILL have the problem (running on win2k) $ uname -a CYGWIN_NT-5.0 POOLSIDE 1.3.6(0.47/3/2) 2001-12-