Martijn van de Streek martijn at
Wed Aug 10 23:46:16 CDT 2005

On Thu, 11 Aug 2005, Robert Fleming wrote:

> No firewall, and in explaination that ubuntu doesn't install any service 
> applications.  But in truth the first thing that is started up is a 
> service application which is very vulnerable by default and opens it's 
> port the world.  X is still a vulnerable application and is still 
> running the service on an open port.

X doesn't use TCP connections by default, you have to enable TCP connections
explicitly remove "-nolisten tcp" from the command line in /etc/gdm/gdm.conf
to enable them.

Look for DisallowTCP=true in there (there's a bit of explanation in there as

Never moon a werewolf.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
Url :

More information about the ubuntu-devel mailing list