ssh hangs after OpenSolaris upgrade



I have 2 OpenSolaris x86 boxes in a vlan at an ISP. Everything was fine until I upgraded the boxes to the latest OpenSolaris kernel 2008.11; now I can no longer connect via (cygwin) ssh on my WinXP home machine. I use Comcast cable to hop onto the net.

I ran sshd in debug mode and can see the client attempt to connect. But something in the negotiation is failing. Any suggestions are appreciated.

Server
--------
...
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: client->server aes128-cbc hmac-md5 none
debug1: kex: server->client aes128-cbc hmac-md5 none
debug1: Peer sent proposed langtags, ctos:
debug1: Peer sent proposed langtags, stoc:
debug1: We proposed langtags, ctos: ar-SA,cs-CZ, ...
debug1: We proposed langtags, stoc: ar-SA,cs-CZ, ...
[hangs here...]

Client (ssh -v -l mylogin myserver.com)
---------------------------------------------
OpenSSH_5.1p1, OpenSSL 0.9.8i 15 Sep 2008
debug1: Connecting to myserver.com [xxx.xxx.xxx.xxx] port 22.
debug1: Connection established.
debug1: identity file /home/mylogin/.ssh/identity type 0
debug1: identity file /home/mylogin/.ssh/id_rsa type 1
debug1: identity file /home/mylogin/.ssh/id_dsa type 2
debug1: Remote protocol version 2.0, remote software version Sun_SSH_1.2
debug1: no match: Sun_SSH_1.2
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.1
debug1: SSH2_MSG_KEXINIT sent
[hangs for a while...]
Read from socket failed: Connection reset by peer

Any idea on what's going on?

Thanks for any help. Frustrating to say the least.

Frank



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