[Xquartz-dev] Remote X11 Connections Blocked on Leopard vs. Tiger

[Jeremy Huddleston]

On Mar 18, 2009, at 20:23, Grant Erickson wrote:

> I am not using SSH X11 forwarding

You should.

> , DISPLAY seems to be correct on both sides
> of the connection, all four combinations of X11.app security  
> settings seem
> to have no impact and neither xhost nor xhost + seem to work:
>
>    aesop% echo $DISPLAY
>    /tmp/launch-3n3Zy2/:0
>
>    % ping -c 2 fenster.local
>    PING fenster.local (192.168.1.14): 56 data bytes
>    64 bytes from 192.168.1.14: icmp_seq=0 ttl=128 time=0.796 ms
>    64 bytes from 192.168.1.14: icmp_seq=1 ttl=128 time=0.290 ms
>
>    aesop% xhost +
>    access control disabled, clients can connect from any host
>
>    aesop% slogin fenster.local
>    fenster.local's password:
>    Last login: Wed Mar 18 19:32:47 2009 from 192.168.1.2
>
>    fenster% echo $DISPLAY
>    192.168.1.2:0.0
>
>    fenster% ping aesop.local 56 2
>    PING aesop.local. (192.168.1.2): 56 data bytes
>    64 bytes from 192.168.1.2: icmp_seq=0 ttl=64 time=0 ms
>    64 bytes from 192.168.1.2: icmp_seq=1 ttl=64 time=0 ms
>
>    fenster% xemacs &
>    X server not responding
>    : "192.168.1.2:0.0"
>
>
>    aesop% grep X11 /etc/ssh* ~/.ssh/*
>    /etc/ssh_config:#   ForwardX11 no
>    /etc/ssh_config.system_default:#   ForwardX11 no
>    /etc/sshd_config:#X11Forwarding no
>    /etc/sshd_config:#X11DisplayOffset 10
>    /etc/sshd_config:#X11UseLocalhost yes
>    /etc/sshd_config:#    X11Forwarding no
>    /etc/sshd_config.system_default:#X11Forwarding no
>    /etc/sshd_config.system_default:#X11DisplayOffset 10
>    /etc/sshd_config.system_default:#X11UseLocalhost yes
>    /etc/sshd_config.system_default:#    X11Forwarding no
>
>    fenster% grep X11 /etc/ssh* ~/.ssh/*
>    /etc/ssh_config:#   ForwardX11 no
>    /etc/sshd_config:#X11Forwarding no
>    /etc/sshd_config:#X11DisplayOffset 10
>    /etc/sshd_config:#X11UseLocalhost yes
>    /etc/sshd_config:#    X11Forwarding no

Seeing as how you're not using X forwarding, your ssh settings are  
irrelevant.

> This all worked OK under Tiger. Any thoughts on what I might be  
> missing or
> miss-setting here?

Maybe the X server on aesop isn't :0.  What does 'ps x | grep X11'  
report?