[Discuss] NAT with real routable IP addresses?

[Johnny Stork]

I was hoping for a more informative and realistic reply. This is what 
the client uses so I need to work with their existing equipment. Sure I 
will be providing recommendations for cheaper, more secure and powerful 
iptables/Linux based solutions, but for now I need to resolve this 
particular issue. Also, a bit more explanation would be nice? Is your 
suggestion (dont use ISA) based on the knowledge/experience that there 
is a functional limitation in ISA which would prohibit this?





David Bronaugh wrote:
> Johnny Stork wrote:
>> I have a client who is running MS's ISA firewall and would like to 
>> create an cpanel/whm/Linux based Virtual Hosting Server (VHS). They 
>> want the server behind the firewall using NAT. However, cpanel/whm 
>> needs to have the primary network interface assigned to the public, 
>> and routable IP address and not an internal non-routable IP. Can NAT 
>> or MS's ISA firewall route traffic from their external public IP 
>> (which is different than the public IP for the VHS), to a internal 
>> server assigned a real routable IP?
>>
>> Or, can this be done by assigning the primary network interface the 
>> routable public IP, and creating an alias to be used with an internal, 
>> non-routable IP. They do not have a DMZ either.
> 
> Don't use the ISA firewall. WTF.
> 
> David
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> 

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