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Unknown taredo in port range forwarding

Posted on 2010-11-20
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Last Modified: 2013-12-27
Hello, my wireless internet connection started disconnecting frequently while I noticed that the cable computers hooked to the router didn't disconnect. I went into the router and noticed in the port forwarding section unknown information about taredo application and a series of start end port range all the way to the bottom. My question is it possible someone did this getting into the router and then to pc 192.168.1.100.

Please see the screen attached, I unchecked 192.168.1.100

Thanks
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Question by:suply
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Author Comment

by:suply
ID: 34181163
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Expert Comment

by:Tolomir
ID: 34181169
this sounds like ipv6 for me:

http://en.wikipedia.org/wiki/Teredo_tunneling

You could disable ipv6 on your computer.
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Accepted Solution

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Tolomir earned 500 total points
ID: 34181176
Teredo alleviates this problem by encapsulating IPv6 packets within UDP/IPv4 datagrams, which most NATs can forward properly. Thus, IPv6-aware hosts behind NATs can be used as Teredo tunnel endpoints even when they don't have a dedicated public IPv4 address. In effect, a host implementing Teredo can gain IPv6 connectivity with no cooperation from the local network environment.

that seems to be the reason for all these udp ports.
--

Do a malware scan if something is masking as ipv6. You could give the free scanner from www.prevx.com a try.
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