Preamble
--------
Pennine is Solaris 9. Onslow is RedHat ES 2.1

[oracle@onslow Sdrive]$ ssh -X -v pennine
OpenSSH_3.1p1, SSH protocols 1.5/2.0, OpenSSL 0x0090602f
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Rhosts Authentication disabled, originating port will not be trusted.
debug1: restore_uid
debug1: ssh_connect: getuid 500 geteuid 0 anon 1
debug1: Connecting to pennine [192.9.150.3] port 22.
debug1: temporarily_use_uid: 500/500 (e=0)
debug1: restore_uid
debug1: temporarily_use_uid: 500/500 (e=0)
debug1: restore_uid
debug1: Connection established.
debug1: read PEM private key done: type DSA
debug1: read PEM private key done: type RSA
debug1: identity file /home/oracle/.ssh/identity type -1
debug1: identity file /home/oracle/.ssh/id_rsa type -1
debug1: identity file /home/oracle/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version Sun_SSH_1.0
debug1: match: Sun_SSH_1.0 pat Sun_SSH_1.0*
Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_3.1p1
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-cbc hmac-md5 none
debug1: kex: client->server aes128-cbc hmac-md5 none
debug1: dh_gen_key: priv key bits set: 126/256
debug1: bits set: 515/1024
debug1: sending SSH2_MSG_KEXDH_INIT
debug1: expecting SSH2_MSG_KEXDH_REPLY
debug1: Host 'pennine' is known and matches the RSA host key.
debug1: Found key in /home/oracle/.ssh/known_hosts:2
debug1: bits set: 490/1024
debug1: ssh_rsa_verify: signature correct
debug1: kex_derive_keys
debug1: newkeys: mode 1
debug1: SSH2_MSG_NEWKEYS sent
debug1: waiting for SSH2_MSG_NEWKEYS
debug1: newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: done: ssh_kex2.
debug1: send SSH2_MSG_SERVICE_REQUEST
debug1: service_accept: ssh-userauth
debug1: got SSH2_MSG_SERVICE_ACCEPT
debug1: authentications that can continue: publickey,password
debug1: next auth method to try is publickey
debug1: try privkey: /home/oracle/.ssh/identity
debug1: try privkey: /home/oracle/.ssh/id_rsa
debug1: try privkey: /home/oracle/.ssh/id_dsa
debug1: next auth method to try is password
oracle@pennine's password:
debug1: packet_send2: adding 64 (len 57 padlen 7 extra_pad 64)
debug1: ssh-userauth2 successful: method password
debug1: channel 0: new [client-session]
debug1: send channel open 0
debug1: Entering interactive session.
debug1: ssh_session2_setup: id 0
debug1: channel request 0: pty-req
debug1: Requesting X11 forwarding with authentication spoofing.
debug1: channel request 0: x11-req
debug1: channel request 0: shell
debug1: fd 3 setting TCP_NODELAY
debug1: channel 0: open confirm rwindow 0 rmax 16384
Last login: Wed Feb 25 11:58:13 2004 from onslow
Sun Microsystems Inc.   SunOS 5.9       Generic May 2002
pennine $ xclock
Error: Can't open display: onslow:0.0
pennine $ exit
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
debug1: channel 0: rcvd eof
debug1: channel 0: output open -> drain
debug1: channel 0: obuf empty
debug1: channel 0: close_write
debug1: channel 0: output drain -> closed
debug1: channel 0: rcvd close
debug1: channel 0: close_read
debug1: channel 0: input open -> closed
debug1: channel 0: almost dead
debug1: channel 0: gc: notify user
debug1: channel 0: gc: user detached
debug1: channel 0: send close
debug1: channel 0: is dead
debug1: channel 0: garbage collecting
debug1: channel_free: channel 0: client-session, nchannels 1
Connection to pennine closed.
debug1: Transferred: stdin 0, stdout 0, stderr 31 bytes in 16.9 seconds
debug1: Bytes per second: stdin 0.0, stdout 0.0, stderr 1.8
debug1: Exit status 1
[oracle@onslow Sdrive]$