X Forwarding via SSH

[Kent West <westk@acu.edu>]

I've got a Sid box at home, and one in the office.

At home, I'm on Cox Cable, going through a Netgear 
router/switch/firewall, then through a SurfBoard cable modem.

At the office, I'm on a LAN connected via T1s to the world.

I can do "ssh -X canaan.acu.edu" from home, and log onto this Solaris 
box at work, and run X apps  remotely, displaying them to my home X display.

I can do :ssh -X westek.acu.edu" from home, and log onto this Sid box at 
work, and can *not* run X apps remotely; instead, I get the error message:
  
====
westek[westk]:/home/westk> gqview &
[1] 9885

Gtk-WARNING **: cannot open display:
[1]+  Exit 1                  gqview
====

Can anyone tell me how to forward X apps from my ofice Sid box to my 
home Sid box?
Thanks!

Kent


My /etc/ssh/sshd_config file on the westek box looks like:

#       $OpenBSD: sshd_config,v 1.38 2001/04/15 21:41:29 deraadt Exp $

# This sshd was compiled with 
PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin

# This is the sshd server system-wide configuration file.  See sshd(8)
# for more information.

Port 22
#Protocol 2,1
#ListenAddress 0.0.0.0
#ListenAddress ::
HostKey /etc/ssh/ssh_host_key
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
ServerKeyBits 768
LoginGraceTime 600
KeyRegenerationInterval 3600
PermitRootLogin no
#
# Don't read ~/.rhosts and ~/.shosts files
IgnoreRhosts yes
# Uncomment if you don't trust ~/.ssh/known_hosts for 
RhostsRSAAuthentication
#IgnoreUserKnownHosts yes
StrictModes yes
X11Forwarding no
   (I've tried "X11Forwarding yes" and then did
   an "/etc/init.d/ssh restart", logged off, reconnected,
   but made no difference)
X11DisplayOffset 10
PrintMotd no
PrintLastLog no
KeepAlive yes

# Logging
SyslogFacility AUTH
LogLevel INFO
#obsoletes QuietMode and FascistLogging

RhostsAuthentication no
#
# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
RhostsRSAAuthentication no
# similar for protocol version 2
HostbasedAuthentication no
#
RSAAuthentication yes

# To disable tunneled clear text passwords, change to no here!
PasswordAuthentication yes
PermitEmptyPasswords no

# Uncomment to disable s/key passwords
#ChallengeResponseAuthentication no

# Uncomment to enable PAM keyboard-interactive authentication
# Warning: enabling this may bypass the setting of 'PasswordAuthentication'
#PAMAuthenticationViaKbdInt yes

# To change Kerberos options
# NB: Debian's ssh ships without Kerberos Support
#KerberosAuthentication no
#KerberosOrLocalPasswd yes
#AFSTokenPassing no
#KerberosTicketCleanup no

# Kerberos TGT Passing does only work with the AFS kaserver
#KerberosTgtPassing yes

#CheckMail yes
#UseLogin no

#MaxStartups 10:30:60
#Banner /etc/issue.net
#ReverseMappingCheck yes

Subsystem       sftp    /usr/lib/sftp-server



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