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Network Security Security-Basics
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Re: Restricting logins by IP address

Subject: Re: Restricting logins by IP address
Date: Sun, 23 Oct 2005 15:50:14 -0400
Kelly,

I think that with iptables you would have a fairly easy time of
implementing this. I don't know the rules off hand, but just hit up
the man pages or google up some docs.

Admittidly, I've never sat down and used IRIX seriously (although I
have hacked away at it in a few wargames) so this is coming from a
Linux standpoint. Shouldn't be too different...

BTW, IMO, IRIX isn't that great on security. If possible, you might
tant to think about switching to a different *nix varient.

Hope some of that helped.

Peace,
--Justin

On 10/19/05, Keenan Smith <kc_smith@clark.net> wrote:
All,

I've got a machine running IRIX (SGI's Unix) and have a need to control
access based on IP address.

Similar to the way root can be restricted to logging in only at the
console, is it possible to restrict logins by regular users to specific
IP addresses?

What I've got is a directory "ABC" and a user "Larry".  I setup Larry to
have ABC as his home directory.  What I want to do is restrict Larry's
login to a specific IP address so if he attempts a login from computer
"123" it will succeed but if he tries from computer 456, it will fail.

Any ideas?

Thanks
Keenan Smith



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