Re: entering uid/pwd at console -- lower case uid/pwd interchageable with upper case

["Matthew L. Shobe" <mls_(_at_)_shobe_(_dot_)_org>]

On Thu, Sep 05, 2002 at 01:34:23AM -0400, Marcus Watts wrote:
> > 
> > While in #OpenBSD on Freenode, nate ( at ) ocalafl.net noticed that
> > a uid/pwd of a single case, (e.g. ``mls'', ``foobar1'',) can be
> > entered at ttyC? in upper case and authenticated, (e.g. ``MLS'',
> > ``FOOBAR1'',) which seems a little... strange.
> 
> Uh, why sure, that's just standard Unix V7 behavior; you're just
> supposed to know that's going to happen.  You won't find any hint of
> this in login(1), and you certainly won't find this in
> getpass(3)/readpassphrase(3) [those happen too late to affect the
> loginid.]  You likely also won't be able to reproduce this behavior via
> telnetd.

Correct, sshd refuses the login.

[snip -- excelent history of the interaction between dialup terminals
 and getty.]

Thank you, Marcus; that explains the behavior perfectly.
-- 
mls