Re: UNIX Authentication
From: Gareth Bromley (gbromley_at_intstar.com)
Date: 12/19/03
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Date: Fri, 19 Dec 2003 15:10:22 +0000 (GMT) To: Luca Falavigna <fala83@libero.it>
On Thu, 18 Dec 2003, Luca Falavigna wrote:
> What is the best auhentication system in a UNIX-based LAN?
> I've tried NIS but it uses plaintext password and I'm looking for
> something safer.
Dont know about best/safer, since these are related to your environments
and associated policies. As for alternatives, your in luck as Linux
supports quite a few for authentication and key UNIX file
storage/distribution form central locations:
- Kerberos (encrytped and ticketed based system) that requires modified
client software to fully utilise. Uses UDP so may be not fit well into
your network security environment.
- LDAP seems to be the preferred method ongoing for SUN, and does
everyting NIS/NIS+ does with SSL/TLS style encryption if required.
- NIS+ I did see work/port for Linux for this, however SUN have made
written nioses that its time to deprecate NIS+ (and presumably NIS at some
stage), so I'd stay away personally. RPC and UDP may not fit well with
your network security environment.
- Hesoid. Dont know much about it except it seems to store info in DNS
(but then I may be wrong).
If its just auth your worried about, instead of auth + essential UNIX
conf/service files, then Linux PAM supports most common protocols
including:
- RADIUS
- TACACS+
- Even Windows SMB
- + MANY MANY others
HTH
Gareth
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