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NAT Forwarding - any way other than ports?

Hi there,

In a bit of a pickle as I'm moving from NYC, where I have 100 Mbit down/20 up + 5 static IPs for $120/mo, to the Lehigh Valley in PA, where they want $200/mo for any static IP service at all and that's 12 down/2 up. The same service without the static IP is $55/mo and I'm trying to figure out if I can make it work.

I run a couple of small development servers that need to be accessible by a few people outside my network. I know I could always just use port forwarding and set up alternate ports for web or FTP servers or else (more likely) just set up a VPN. So I'm not up a creek, but I had a thought about a possible solution and I wonder if there are any products out there that will do it.

Are there any NAT routers that will forward traffic to a particular address based on the hostname? That is, if I have my one public IP of 1.2.3.4 and a bunch of internal ones, is there a router out there that I can configure such that 'all traffic to server1.mydomain.com goes to private IP #1; all traffic to server2.mydomain.com goes to private IP #2'?

Or is regular old port forwarding my only friend here?

Thanks very much!
S
 
Host name based service selection is normally a function of the server / daemon itself. The routers themselves don't pay attention to it. In some cases it would near impossible to track because protocols like FTP don't embed site names.
 
Windows ISA Server can serve as a front-end router and can direct incoming web requests based upon Host Name. I imagine some other PC-based firewalls/routers can do the same.

Barring this, I'd probably go with using non-standard ports for the web sites.
 
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