xhost + doesn't work in KDE 3.1.2

[Óscar Paz y Paz]

Hi all,

   I've posted a message few days ago to the kde-linux mailing list. It has no 
a clear answer yet, and I think it is OS-independent too. Let me cut&paste it 
here, please.

I've a new laptop running Debian/sarge and I've installed KDE 3.1.2 on it.
I can't run applications from other computers exporting the DISPLAY 
environment variable. What I use to do is 'xhost +' in my laptop. Then 'ssh' 
to the server and 'export DISPLAY=my.laptop:0' on it. When I try to execute 
any X application server says 'Error: Can't open display: my.laptop:0'.
I've tried to create a /etc/X0.hosts file and restart X server, following 
indications from one message in the archive, but it didn't work. The option 
'-X' in the ssh command doesn't help.
I'm sure this is KDE dependent, because if I start X with twm or another 
window manager (via the 'startx' command), I can run the external apps.
Any suggestion?

Thx, Óscar.-

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