Connecting to a modern Xserver with an old client

[Carsten Haitzler]

On Sat, 22 Jul 2023 01:18:29 +0000 (UTC) Michael K <vk2bea at yahoo.com> said:

> I'm trying to connect an old HP logic analyzer (circa 1998) to a modern Xorg
> server. The error message I get is ...
> 
> Xlib: connection to "192.168.1.1:1.0" refused by server
> Unable to open window on "192.168.1.1:1.0"
> 
> I have executed "xhost +" to allow access by any client and I am able to
> generate an xterm window from another modern computer on the network "xterm
> -display 192.168.1.1:1.0". I have no way to know what the logic analyzer is
> actually trying to do or what it doesn't like.
> 
> On the X server side, it's started by gdm & I can't find out how to change
> the log level of Xorg (I think there is some gdm code that starts
> Xorg) ... /usr/libexec/Xorg vt2 -displayfd 3
> -auth /run/user/1000/gdm/Xauthority -listen tcp -background none -noreset
> -keeptty -novtswitch -verbose 7 -core

:1.0 (:1) is your problem i think. your X will be on :0 (port 6000). the above
error indicates it'd after something on :1 (port 6001). also double check
something is listening on 192.168.1.1 as opposed to only on 127.0.0.1

> What might be the issue with this old X client authenticating with a modern X
> server?
> 


-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
Carsten Haitzler - raster at rasterman.com