TCP & UDP Port 3544 Information

Port name:Teredo
Port 3544 common errors:IPv6 node candidates remain isolated by the NAT (Network Address Translator) resulting in a failure to connect with remote machines. To learn more about errors in your system run a free registry scan.
Services or applications using this port:Teredo Port
Malicious services / applications:None

Port 3544 details:

Protocol: TCP & UDP
IAMA status: Official
Range: Registered
Traffic: inbound, outbound, both
Notification: True
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Technical description for port 3544:

The application layer protocol running on the network port 3544 is commonly identified as the Teredo port protocol. This is an IPv6 associated tunneling protocol allowing UDP access through NATs (Network Address Translations). Via this service, the nodes located behind multiple IPv4 NATs can attain the ability to obtain connectivity to IPv6 supported networks.
This process is achieved by tunneling the UDP packets using the Teredo service. The deployment of the service associated with the communication port 3544 involves the utilization of Teredo servers and relays. The servers remain stateless but are responsible for the management of a fraction of the traffic among the Teredo clients.
The job of the Teredo relays is to function as the router that would translate the Teredo service to the native IPv6 language used by the Internet.
Relays can also host the interoperability feature in the context of acting as transition mechanisms to convert from IPv6 to IPv4.
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