After performing a fairly large patch update from MS yesterday, I noticed a problem with connecting to websites running on my computer (TorT60p). To begin with I thought it was a problem with IIS7, but I later found that I was not able to ping TorT60p at all.
After much research I finally came to the conclusion that the problem is related to "Microsoft Security Bulletin MS07-038 – Moderate" – "Vulnerability in Windows Vista Firewall Could Allow Information Disclosure (935807)" Pasted from <http://www.microsoft.com/technet/security/Bulletin/ms07-038.mspx>
I haven’t found anyone else reporting the same problem, but I was able to work around it by following the instructions in the bulletin on how to disable Teredo, quote:
Disable Teredo
You can help protect against this vulnerability by disabling the Teredo transport mechanisum. This prevents Teredo from being used as a transport or mechanism to traverse the NAT. To do this, follow these steps:
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1. |
Right-click on the Run menu item and choose Run as elevated. |
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2. |
In the Run box, type Netsh int ter set st disable |
Pasted from <http://www.microsoft.com/technet/security/Bulletin/ms07-038.mspx>
After doing this I was immediately able to ping TorT60p again.
Background information: I’m running Windows Vista Ultimate and I’m using IIS7 on it. To test a WPF browser application we’re working on I need to use my local machine name as the web site domain instead of "localhost". This is how I discovered the problem.
Tor Langlo 