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Network Security Firewalls
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Re: ISA + Iptables

Subject: Re: ISA + Iptables
Date: Thu, 17 Mar 2005 15:26:16 +0100
On Tue, 15 Mar 2005 17:49:43 -0300
Pablo Gietz <pablo.gietz@nuevobersa.com.ar> wrote:

I need to configure a internal firewall with Iptables to filter
traffic to a isa server acting as a proxy and authentication server
with AD. which ports do i have to open to permit proxy and auth?
 
Internet <-> pix <->  ISA <-> iptables <-> internal network


hi man

there are a lot of problems about the authentication in the architecture
you would bild up. 
You should open kerberos ports, rpc ports, and a lot of other netbios ports
only for authentication...
we was doing something like that but a microsoft adviser told us that if
we wouldn't use an isa server as firewall (in the place you put iptables)
we should have to open a lot of ports so firewall would become useless...

bye

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