[lug] Processor assignment

Steve Litt slitt at troubleshooters.com
Sat Apr 2 12:50:29 MDT 2016


On Sat, 2 Apr 2016 07:55:01 -0600
Rob Nagler <nagler at bivio.biz> wrote:


> That's the interesting part of X11: the server resides on your
> laptop, and the clients are running somewhere. Therefore, all you
> need is a compromised external computer, e.g. university computer,
> and that remote computer can read the input to another remote server,
> e.g. Yellow Stone login node, on which you are also running an X11
> client. This is done without shell access to your laptop.

> 
> http://theinvisiblethings.blogspot.in/2011/04/linux-security-circus-on-gui-isolation.html

Thanks for that, Rob. I always heard X forwarding was very insecure,
but never before knew why. From now on, the only X forwarding I'll ever
do is between my noteboook, **over my soho LAN**, and my Daily Driver
Desktop. I'll never again X forward over the Internet.

Thanks,

SteveT

Steve Litt 
March 2016 featured book: Quit Joblessness: Start Your Own Business
http://www.troubleshooters.com/startbiz


More information about the LUG mailing list