Super tight budget, approved to add only 1 server to W2K3 A.D. based LAN protected by Cisco PIX 515 FW.
To maximize the value of the new W2K3 Server, I would love to be able to use it for more than just a Web & FTP server in the DMZ because the internal LAN could well use another file server and I also need another LAN based Windows server to install M.S. Live Communication Server on as well.
My question is: From security standpoint would it be foolish to put 2 NICs in the new Windows Server 2003 system to connect it to both the DMZ and the internal LAN simultaneously?
My thought is the multi-homed configuration would allow the computer to be the Web & FTP server to the outside world while LAN clients could also utilize it as File Server & M.S LCS server belonging to the A.D. domain.
My fear is multi-homing a Windows Server in this way possibly defeats the security isolation now present between public (DMZ) & private (LAN) subnets provided by the PIX Firewall should an outsider mis-use the HTTP or FTP access to the new Windows server to hack into it?
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