TMG – Quick Reference Guide


Good old TMG..
Just a quick reference guide when the grey stuff gets fuzzy 🙂

  • The published site is the public external web FQDN
  • Use browse to find the internal Front End Pool, tests the DNS resolution that way
  • Check the box to forward the original host header
  • Set the radio button so that requests appear to come from TMG


Add the public names (of course these will match the public A records requested)
What you need is:-

  • meet and dialin (often times I’ll merge these two)
  • lyncdiscover for the 2013 and mobile clients
  • external web services (same as published site)

The TMG won’t be doing any pre-authentication, but client will need to authenticate directly to the Front End

Bridge the ports so that http traffic to port 80 goes to 8080 and https traffic to port 443 goes to 4443. If not using 80 you can ignore the http bridge.

On the listener ensure that the authentication is set to “No Authentication”
If you not using 80 then disable here

Remember
Even after publishing the firewall rule, check the Monitoring tab to make sure the configuration has been successfully synced


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About Paul B

My name is Paul Bloem and I am employed at Lexel Systems in New Zealand as a Principal Consultant for Unified Communications. I have been working on enterprise voice solutions for over 20 years. My first 10 years were spent working for a Telco in South Africa (Telcom SA). This is where all the groundwork happened as I was exposed to just about every aspect of telecommunication you could imagine. I develop an interest in PBX technologies and eventually became the go-to guy. Next, I had a 10 year run at Siemens South Africa, most of my time there was as a Technical Trainer. During this time VoIP hit the world stage, I had the privilege of introducing VoIP both as H.323 and later SIP across the Siemens HiPath 4000 solution stack. In 2008 I immigrated to New Zealand with my newly attained MCSE, I was ready to go where no PBX Techie had gone before. I was employed to explore OCS 2007 and that was pretty much the beginning of the end for me. I have been working on OCS and Lync ever since. My current role focuses exclusively on Lync and associated technologies.. That includes pre-sales, consulting, architecture and design, training and support. I even get to play in the development space from time to time - focus on play ;-) I was nominated as a Microsoft VTSP for Lync early in 2013 and also awarded Microsoft's MVP award for Lync in 2014.
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