Microsoft Forefront Threat Management Gateway 2010 is the current version of the product previously known as ISA Server. TMG 2010 adds subscription-based URL filtering and malware protection, the free-subscription-based Microsoft IPS Network Inspection System, and HTTPS inspection.

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Publishing a web app listening on two different ports with TMG

We have an internal web app built on some custom Java stuff. The app listens on port 8080, but also uses IIS on port 80 to get user authentication. Opening the site in a browser produces HTTP GETs ...
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412 views

Asymmetric routing with two ForeFront TMG 2010 firewalls

I have a bizzarre networking problem. There is a network, a single IP subnet: 192.168.60.0/24. The network has two Internet-connected firewalls (running ForeFront TMG 2010), 192.168.60.253 ...
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389 views

Forefront TMG denied connection using HTTPS listener

I have configured a web publishing rule to allow access to an internal server over HTTP. When i publish the rule everything works as expected. When I change the rule to use a HTTPS listener, the rule ...
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119 views

Why when i installed TMG i became disconnect and connect from internal network to TMG and external

When I install TMG server 2010 on Windows Server 2008 R2, after some minutes I have request time out in ping of internet and ping of ip address of TMG server. And I became disconnected from TMG and ...
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245 views

Unable to connect to Exchange 2010 server from Entourage 2008

I'm having some issues with setting up Entourage 2008 EWS up to connect with our exchange 2010 server. So I hope someone can answer me the following: I know that there are some issues with our ...
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277 views

Trying to setup Exchange 2010 certificate on TMG

I'm running into a problem here, and I'm positive it's simply that I'm not doing something correct (as opposed to it not working). I have a current Exchange 2007 server setup with a third party cert ...
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263 views

Forefront TMG - URL Overrides - how long does it take for them to come into play?

Adding a URL to a category seems seems to take an age, somewhere along the lines of 3 to 4 hours. Is this normal behaviour? Could someone tell me what is the default length of time that it takes ...
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853 views

Outlook client behind forefront TMG 2010 unable to connect to External Exchange server

Here is my situation. Our office just got sold and we are working on the migration to the new company's environment. Everything has worked fine until the Outlook client's migration. Our firewall is ...
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203 views

Can I map IP addresses to allow 2 site to site VPNs with same IP range using Microsoft TMG

I have a Microsoft TMG server with a number of site-2-site VPNs which all have different IP address ranges. Now a client has asked for another site-2-site VPN but their IP range clashes with an ...
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32 views

Two NLB mutlicast clusters on the same VLAN processing same traffic

I have an older ISA2006 based NLB cluster which I plan to migrate to a new TMG2010 NLB cluster. I need to have both clusters active for some time during migration (with different IPs of course). Both ...
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47 views

Using Barracuda Web Filter as First Authentication for OWA

Our current OWA set up has them requesting the OWA site, our TMG 2010 server authenticating the user then passing along the request to our Exchange/OWA server. We are moving towards an ASA firewall ...
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80 views

Sharepoint Foundation 2010 wrong search URL behind reverse proxy

I have a Microsoft Sharepoint Foundation 2010 single server farm behind a reverse proxy (Microsoft TMG). The internal URL is http://intranet/ and the external address is https://access.mysite.com/. ...
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288 views

How to enable multicast routing in TMG 2010?

I have a TMG 2010 firewall between some office networks, which handles routing and firewalling; I need to let some application-specific multicast traffic flow between these networks; this is UDP ...
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42 views

TMG does not always lock preassigned VPN IP address to the specified user

I am using SQL Server 2008 R2 and TMG 2010 Standard. I have users assigned to be given a specific IP address in Windows Server. These users will connect to our network thru TMG using their DC domain ...