*BSD News Article 68021


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From: david@emeraldis.com (David G. Cannon)
Newsgroups: comp.unix.bsd.bsdi.misc
Subject: Re: Only one PPP account
Date: Wed, 08 May 96 17:37:13 GMT
Organization: Emerald Internet Services
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In article <4mnslr$las@mikasa.iol.it>, luba@tikal.net.gt (Luis F. Barrera) wrote:
>  Hi,
>          I'd like to know if I can limit one PPP account per user, I mean,
>  for example, if one person has logged into the BSDI machine, then no
>  other person can log into the same machine with the same account.
>  Besides, I'd like to know where I can put some account management code
>  after the user has logged into the machine with a PPP account.
>  To anyone: I'll appreciate any help.
>  
>  Luis F. Barrera
>  email: luba@tikal.net.gt
>  

That's a very good question, and a very needed feature (in my opinion). I have 
already discussed this with the techs at BSDI, and basically they said there 
is not an easy way to do it. You would have to write a special script to 
handle this. The way I handle this is to monitor the users that are logged on 
as much as possible. You could also write a simple script to notify you via 
E-mail if there is more than one user logged on with the same username. This 
is especially good for evening hours when you can't monitor it. When this 
happens, I immediately kick both users off, and disable the account entirely. 
When the person calls, I inform them of the reason "our system" disabled their 
account, and I make them change their password before they are able to use the 
account again. This usually makes them think twice before giving their account 
information to a friend. :-)

David G. Cannon.