securing an Ubuntu box in a shared office?

[Mario Vukelic]

On Thu, 2006-07-06 at 18:31 -0700, Eric Hanchrow wrote:
> Ironically, "aptitude install bastille" yields this warning:
> 
>     18:29:27 [root at debian ~]# aptitude install bastille
> ...
>     Do you want to continue? [Y/n/?]
>     WARNING: untrusted versions of the following packages will be installed!
> 
>     Untrusted packages could compromise your system's security.
>     You should only proceed with the installation if you are certain that
>     this is what you want to do.

Something must be weird with your repository setup, I don't get this
warning on 6.06 LTS (Dapper)