Server w/ static IP and private IP

[Platinum]

We have a server here at the office we're trying to setup as a webserver. Well, it took awhile but we finally got the damn thing online. We were able to get it connected to the internet but we could never remotely connect to it. We're in NY and we are having a company out in California install some programs onto the server for our web sales and some other things. As it turns out, we have 2 NIC cards, 1 of them had the default gateway 10.0.0.0 so we could let the server have access to the network but could not use it for an internet connection, and then the other NIC had one of our static IPs assigned to it. Well that was causing some problems, so I had to disable the 2nd NIC and update the RDP client to 6.0 to get it to work. So that's working, we can remotely connect and everything works... well almost everything.

Now that the server is able to be connected to remotely, we need to somehow get this thing on the network so it can access files from our database on another server. However, we need it to be as secure as possible, we can't have people getting into the webserver and having access to our network. Let me describe how we have it setup before I ask the question I'm trying to get an answer for...

Cablemodem connected to Cisco router (which we do not have access to)
Cisco router connected to Sonicwall router (we do have access to the sonicwall)
Sonicwall connected to server through OPT port

So, the question of the day.... how do I get this server to have access to the network the most secure way so people who connect to the server cannot access the network. I was thinking about connecting the sonicwall to the network through port 1 and setting up an access rule for any communication between the OPT port and the range of IP's the servers are on. I tried doing that, but I'm not having any luck with it.

Anyone have any suggestions?

 

[Platinum]

*bump*
can someone pleasssee help?

 

[addle_brains]

Forgive me when I say your questions a curly one. We have a similar setup here. I work for the education department of the Australian government. Each school has at least one server (mostly they have two) which provide DHCP and DNS services to the school. Everything is networked via 3Com network switches. The main switch provides a connection for the router. This router connects remotely to a proxy server somewhere at the head office I suppose. How they do it I have no idea, it's just not something they tell us. Probably your best bet would be to contact a government source or something to ask how it's done, seeing as that is how (basically) they're all set up. I believe the best way though is to create your own intranet.

Edit: In retrospect, probably not the answer you were looking for, I could boil it down to: Contact a professional source directly/ I don't know but I'm sitting at a similar server right now.