Re: 2 Public IP's or fixed WAN IP with port forwarding. What's best?
- From: "SuperGumby [SBS MVP]" <not@xxxxxxxxxxx>
- Date: Sat, 4 Jun 2005 08:58:00 +1000
with or without ISA I prefer the port forwarded scenario. Should an attack
occur (whether it be someone specifically hitting you or just the latest
variation on Code Red/Slammer/whatever) the NAT device stops the traffic
from hitting your external interface.
My ISA logs are pretty boring.
"Gary Webb" <email@xxxxxxxxxxxxxx> wrote in message
news:42a0db2e$0$15007$ed2619ec@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>I need some advice please. What is the best setup to use with SBS2K3
>(Premium or Standard) regarding 2 NIC's. What are the pro's and cons of the
>following:
>
> 1) ADSL router with a fixed WAN IP plus an account with 2 static IP's.
> One for the routers LAN side, and one for the SBS 2nd NIC with the ISP
> pointing email to the 2nd NIC via a DNS MX record.
>
> 2) ADSL router with a fixed WAN IP configured with NAT. The LAN port
> having a private IP (on a range differing from the LAN NIC of the server)
> and connecting to the servers 2nd NIC (WAN NIC) which also has a private
> IP in the same range as the router. Then setup port forwarding of SMTP 25
> (and anything else) to the SBS NIC. MX would then be pointed to the WAN
> side IP of the router and thus forwarded onto the SBS.
>
> I know this works either way, but I would love to hear of peoples
> experiences and advice of which is best, as it is always a nagging
> question in the back of my mind.
>
> Thanks people.
>
> Gary
>
.
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- From: Gary Webb
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