Re: Allow NON-Authenticated X11 Connections - How insecure/secure?

On Tue, 20 Apr 2010, Jon Price wrote:
> How secure (or insecure) is it to NOT require X11 Authentication but
> DO use ssh/X Forwarding?
>
> I have an application which works a lot easier if X11 Authentication
> is disabled, though I'm still using ssh w. X11 Forwarding.
> But would like to get an idea of the risks.

If you use X11 without authentication, then anyone who can open
an X-connection to your X-server (usually, just a 6000/tcp
connection), can run a keylogger to grab all your keystrokes
(search xquerykeymap for details).

-- 
Regards,
ASK