Greetings and welcome to my first blog posting. Back when Tim Newsham and I wrote Windows Vista Network Attack Surface Analysis: A Broad Overview, we expressed concern about Teredo's security implications, although we hadn't yet had the opportunity to investigate it. Subsequently, I had a chance to dig into the protocol and found that our concerns were justified: Teredo can have an important and negative impact on your host and network security. With that said, let me announce our new research paper: The Teredo Protocol: Tunneling Past Network Security and Other Security Implications.
Teredo is a timely protocol to look into since it is included in Windows Vista and is enabled by default. So, Vista hosts will be using it unless it is explicitly disabled or blocked (...
