X11 no longer working

[Christoph Kukulies]

The other strange thing is (on the target side, doing an nmap to the server):

Nmap done: 1 IP address (1 host up) scanned in 334.13 seconds
# nmap 192.168.178.51
Starting Nmap 7.70 ( https://nmap.org ) at 2020-05-09 12:55 CEST
Nmap scan report for Christophs-MBP.fritz.box (192.168.178.51)
Host is up (0.00050s latency).
All 1000 scanned ports on Christophs-MBP.fritz.box (192.168.178.51) are closed
MAC Address: A8:60:B6:2E:DF:6D (Apple)

Nmap done: 1 IP address (1 host up) scanned in 333.33 seconds


No port open to the outside.

> Am 09.05.2020 um 13:07 schrieb Christoph Kukulies <kuku at kukulies.org>:
> 
> 
> 
>> Am 09.05.2020 um 12:39 schrieb Richard Tobin <richard at inf.ed.ac.uk <mailto:richard at inf.ed.ac.uk>>:
>> 
>>>> Launching X11 manually ./X11 is a good point. Did that and XQuartz
>>>> appears in the dock. Firing then xclock on the Target doesn't do
>>>> a connection. Silence. The xclock just hangs there.
>>> 
>>> Does running xclock or other X clients locally work?
> 
> No. xclock also hangs locally.
> 
> 
>>> 
>>> If it does, X is listening on the unix socket as expected and the
>>> problem must be with ssh connecting to it.  What X-related lines
>>> does /etc/ssh/ssh_config have?
>> 
>> Also, do ssh -v -Y and see what it says about X11 forwarding.
>> 
> 
> 
> Have gone through the ssh connection already in previous posts.
> 
> 
> What make me wonder is, when I’m looking at the process command line of the Xquartz process that there is a
> -nolisten tcp (?!)
> 
>  6306 s003  S<     0:00.00 /opt/X11/bin/Xquartz :0 -nolisten tcp -iglx -auth /var/root/.serverauth.6258
> 
> Who is doing that?
> 
> —
> Christoph
> 
>> -- Richard
>> 
>> -- 
>> The University of Edinburgh is a charitable body, registered in
>> Scotland, with registration number SC005336.
>> 
> 

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