Subject: Re: useradd: spaces and $ in usernames
To: None <>
From: Christos Zoulas <>
List: tech-userlevel
Date: 11/16/2001 00:04:36
In article <Pine.GSO.4.21.0111160055520.3526-100000@rfhpc8317>,
Hubert Feyrer <> wrote:
>It's been brought to my attention that there might be desires to use
>spaces and $s in login names[*], and I wonder if there's a really good
>reason (besides the obvious ones :-) to not allow all but ':' in login
>names? (If admins want it, give 'em the rope etc.)
>The following patch works at least on 1.5.3_ALPHA, and I'd like to commit
>it if there are no major objections:

You definitely don't want to allow unprintable characters.