Could anyone tell me if the below can be considered as an acceptable approach to OWA implementation.
1. OWA/IIS resides in the DMZ 2. The only port that can get to it from the Internet is SSL/443 3. OWA/IIS can talk to the Exchange server on the internal network via two statically mapped ports for the IS & DS. Q1. Is there any other ports I will need for the OWA to communicate with Internal Exchange Server and why? Microsoft says that you need to have 135/TCP open (Q259240), but I red few things here on the Board that port 135 is a security threat � why? Q2 What ports do I need to open between the OWA/IIS on the DMZ and one of my DC's on the internal network. Again Microsoft calls for 135/TCP, 138/TCP and 137/UDP. Thanks Bob Lewinski _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]

