TMG Server Firewall Rule

Hi experts,
I am trying to deploy Forefront TMG in a Virtualized Environment.
The software I am using is Oracle VM VirtualBox.
I have made 2 server machines . One is a domain controller and on the
other machine I have installed FTMG 2010. The TMG server is part of the domain.
It has two NICs one for WAN & the other one for LAN
On the tmg server I have made a firewall rule that allows all outbound traffic
to an AD user.
On another Win7 Virtual Machine that is joined to the domain. I logged in as a user
and inthe internet options of IE I configured the proxy settings that points
to my TMG Server. But nothing is showing up even the websnse page.
I just shows 'Internet Explorer cannot show the webpage'.
Can anybody help me where I m mistaking....!!!

Hi There, 
As mentioned by other experts you WOULD need to have a proper DNS infra, before you could setup TMG as forward proxy.
Also you can check these articles to learn more about setting up TMG for forward proxy.
http://technet.microsoft.com/en-us/library/cc441445.aspx
http://technet.microsoft.com/en-us/library/ee869543.aspx
Also to isolate the issue, you can try connecting to the same Sites by by-passing TMG, and connecting to Internet directly.

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