Re: How do I use IPSEC to create a basic firewall.
From: Steven Umbach (n9zrou_at_nscomcast.com)
Date: 10/18/03
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Date: Sat, 18 Oct 2003 18:56:01 GMT
Ipsec is best used to manage/protect traffic for the lan. A firewall at the
perimeter should be first line if defense. Having said that, to answer your
question you need to create a block all rule that is mirrored. Then you create a
mirrored rule for the lan based on ip subnet and use permit for the action. For
other specific ports, rules need to be created such as udp port 53 for dns
resolution to the internet. --- Steve
http://www.microsoft.com/windows2000/techinfo/planning/security/ipsecsteps.asp
http://www.securityfocus.com/infocus/1559
http://support.microsoft.com/default.aspx?scid=kb;en-us;313190
http://support.microsoft.com/default.aspx?scid=kb;en-us;811832
"Bloke at the pennine puddle (Replace n.a.v.d with vodafone.net.)"
<news006ddes@n.a.v.d> wrote in message
news:2k32pvc89oc2eq3llts1somjkkl9v1tvhb@4ax.com...
> Hope someone can assist.
>
> I read somewhere that on a Windows 2000 domain it is possible to
> secure domain controllers by IPSEC, thus providing a basic firewall
> where all inbound connections from the WAN are blocked, ecept from
> response ports opened by connections going to the WAN.
>
> I did read a document somewhere on how to do this, unfortunatly I
> didn't capture it and now I can't locate it.
>
> So, can anyone please assist?
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