[wellylug] Usernames with a '.'

[pmilne at paradise.net.nz]

Quoting Ian Beardslee <itb at falcons.co.nz>:

> Hi all,
> 
> So there I was busy playing with the shiny new Ubuntu 5.10 install (I'd
> 
> look pretty bloody silly turning up to the Linux Conference with a Win
> XP 
> laptop) and was trying to create a user 'ian.beardslee' and it was 
> spitting the dummy over things - didn't seem to like the '.'
> 

I seem to remember that such user names are 'deprecated' as leaving a security
hole in some circumstances.  I note that a Government Department has recently
changed its E-mail names from e.g. joe.bloggs to joe_bloggs, probably for this
reason.

Regards
Peter