Login restrictions in NIS environment

[Richard Hobbs]

Hello,

OK, I have now tried the following ideas, and none of them have worked:

1. Add the following to /etc/hosts.deny:
     sshd: rhobbs at ALL, PARANOID

2. Add the following to /etc/security/access.conf:
     -:rhobbs nbaker:ALL

I didn't do the exact method that you suggested for "/etc/hosts.allow" and
"/etc/hosts.deny", because that seems to ban everything, and then let
certain things through. I want to let everything through, and just ban
certain users from sshd, so that's why I did step 1 in that way.

As for step 2, I don't know why this didn't work... The "access.conf" file
already existing, so I assume it is installed and running, but perhaps it is
not? I'll read the documentation on this one to see if it gives any
pointers.

If you have any other advice, please let me know.

Thanks again,
Richard.

-- 
Richard Hobbs (Systems Administrator)
Toshiba Research Europe Ltd. - Speech Technology Group
Web: http://www.toshiba-europe.com/research/
Email: richard.hobbs at crl.toshiba.co.uk
Tel: +44 1223 376964        Mobile: +44 7811 803377 

> -----Original Message-----
> From: redhat-list-bounces at redhat.com 
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of Cecilio Marín
> Sent: 08 June 2005 12:36
> To: General Red Hat Linux discussion list
> Subject: Re: Login restrictions in NIS environment
> 
> Well, the second method is a possible solution.
> 
> Services: DNS, HTTPD, NIS...
> 
> #/etc/hosts.allow
> ypserv: ALL
> httpd: ALL EXCEPT fred at ALL
> bind: ALL EXCEPT fred at ALL
> ....
> <daemon>: ALL EXCEPT fred at ALL
> 
> #/etc/hosts.deny
> #Very restrictive
> ALL: ALL at ALL, PARANOID
> 
> But the problem is if the daemons are not ready to use 
> wrappers (this is 
> defined on compilation time of daemons).
> 
> Slts.
> 
> Richard Hobbs escribió:
> 
> >Hello,
> >
> >Banning particular IP addresses is useless to us... We need to ban
> >particular users.
> >
> >For example, if we ban fred's machine, fred can still log in from a
> >different machine. We need to ban fred from every machine, 
> but he still
> >needs to be able to log into other machines on the network.
> >
> >Thanks again,
> >Richard.
> >
> >  
> >
> 
> 
> 
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