Hi,

I wish to forward X from machine B to machine A via ssh.  Machine A is
running an X server.  On machine B I have in sshd_config:

X11Forwarding yes

On machine A I have in ssh_config:

ForwardX11 yes

I can ssh from A to B without problems but when I try to start a
simple application:

B ~ $ xclock 
Error: Can't open display: 

and 

B ~ $ echo ${DISPLAY}

returns nothing.

Having turned up the debugging level for sshd on B to DEBUG3 I see this in
the logs:

sshd[6659880]: debug2: bind port 6010: Cannot assign requested address

This is repeated for ports 6011 to 6999 inclusive.  Then:

sshd[6659880]: error: Failed to allocate internet-domain X11 display
socket.

I can't acces the wiki page at the moment so if someone could help
with further troubleshooting I'd be most grateful.

Thanks,
Roger

P.S. openssh-4.7_p1-r1 on both boxes.
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