Mailinglist Archive: opensuse-security (376 mails)

["Ronny Martin" <RMartin@xxxxxxxxxxxxxx>]

Can't help you on the usernames, but for the password length: enable md5 passes 

> -----Original Message-----
> From: lars [mailto:lars@xxxxxxxxxxxx]
> Sent: Friday, March 28, 2003 2:33 PM
> To: suse-security@xxxxxxxx
> Subject: [suse-security] How to handle usernames?
> 
> 
> Hi there,
> 
> I´ve got a strange behaviour which I want to get rid off ... 
> though it may
> not be the right group here:
> 
> on a suse linux 8.1 box, doing
> 
> useradd -s /bin/false -d /... and-so-on ... b.richards
> 
> to add a mailuseraccount, I always got the reply:
> 
> invalid username
> 
> The same with
> 
> useradd -s /bin/false -d /... and-so-on b\.richards
> 
> OK, then I´m typing ³useradd brichards², editing the 
> /etc/passwd as well as
> /etc/shadow (e.g. setting in the dot manually), then typing 
> in the password,
> but then ... the client sometimes gets an errormessage from postfix -
> sometimes it works fine.
> I found out that in case of unvalid usernames always almost a 
> ³!² is shown
> in the second field in /etc/shadow-uservalue-lines (where 
> there have to be
> the shadowed password).
> 
> everything works fine with usernames without a dot.
> 
> I tried hard to find some informations about this, but the 
> only restriction
> valid for all shels seemed to be avoiding ³:² and ³/² in usernames.
> 
> Anyone a suggestion? would be helpfull... thanx a lot!
> 
> greetings
> 
> Btw: how can I change the length of a password to a value 
> higher than 8?
> Possible at all on a bash or tcsh?
> 
>