Naming Convention Limits
Karl Latiss
karl.latiss at atvert.com.au
Sat May 6 03:01:37 UTC 2006
On Fri, 2006-05-05 at 06:45 -0500, Ed Wilts wrote:
> On Fri, May 05, 2006 at 05:47:36AM -0500, Esquivel, Vicente wrote:
> > Anyone have any idea of there is such a limit?
>
> There is a limit but it's changed from release to release. I believe
> that a username can only be 12 or 16 characters. The easiest thing to
> do is to test it with useradd. Start with a 12-character string and
> work your way up. You'll find the limit pretty quickly.
>
We have domain name based usernames (using ldap backend) that can be up
to 50 characters long on RHEL 3.
So far only vsftpd has had a problem with these lengths, but that was
subsequently patched.
--
Karl Latiss <karl.latiss at atvert.com.au>
Atvert Systems
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