Windows 8.1 -- teredo tunneling pseudo interface ?

finance_teacher used Ask the Experts™
How can I determine what my
CLIENT's below #3 is getting used for
to make sure it is NOT some type of HACK ?

 1. open Device Manager
 2. open Network Adapters
 3. see "Teredo tunneling pseudo interface"
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Sr. Network / Systems Admin
Teredo itself is not a hack. This is a "bridge" type interface over UDP that nails together IPv4 and IPv6.
It's meant as in interim service, at best, until networks fully support IPv6.

You can disable via CLI with the command:
netsh interface teredo set state disabled

You can read more here before deciding what to do:

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