We have Windows 2003 servers in both private zone and DMZ. Two zones are in different network subnet and linked with a Unix firewall/VPN. DC, file servers, MS Exchange (one of DCs), DB servers are in private zone and web servers are in DMZ.
I'd like to setup OWA access server in DMZ because we only locate servers which accessed by outside in DMZ. I need to install MS Exchange 2003 on a Windows 2003 box in DMZ to get OWA working on that. I have couple questions here:
1) Is this Exchange 2003 server only provides OWA service considered a Front-End Exchange server?
2) Exchange 2003 server should be installed on a member of Domain. Is that safe to have a Domain member server in DMZ?
3) I read some tech articles and strongly suggest never put Exchange server in DMZ. If yes, how and where can I deploy OWA?
4) Any special rules I have to set on firewall?
Thanks a lot!!!