Teredo Tunneling - Infosec Resources
router port forwarding entries configured by and required In the Port Forwarding configuration I found quite a number of entries which I did not configure. One set of these entries is for a protocol called Teredo. Searching the internet, I find a number of discussions claiming these were configured by Verizon and are part of their scheme for translating IPV4 running on my home network to IPV6 running Xbox One and Teredo (UDP port 3544) | Netgate Forum Teredo is used to give IPV6 connectivity on an IPV4 network so allowing IPV6 traffic (under Advanced -> Networking) may be necessary. Teredo requires a static outbound NAT rule (NAT -> Outbound). Specifically on destination port 3544 but you can make the outbound rule to that applies to all ports.
Unusual access | DSLReports, ISP Information
Xbox Support You need to enable JavaScript to run this app. Xbox Support. You need to enable JavaScript to run this app. GetTeredoPort function (netioapi.h) - Win32 apps Remarks. The GetTeredoPort function is defined on Windows Vista and later.. The GetTeredoPort function retrieves the current UDP port number used by the Teredo client for the Teredo service port. The Teredo port is dynamic and can change any time the Teredo client is restarted on the local computer. An application can register to be notified when the Teredo service port changes by calling the
GetTeredoPort function (netioapi.h) - Win32 apps
UDP Port 3544 must be open to ensure that Teredo clients can successfully communicate with the Teredo server. The firewall must retrieve dynamic UDP ports used by Teredo service on the local machine by calling the FwpmSystemPortsGet0 function; relevant ports are of type FWPM_SYSTEM_PORT_TEREDO. uPnP and Port Forwarding (Teredo Issues) | SmallNetBuilder Jul 15, 2015 How to Fix the Teredo Error on Xbox [Complete Guide] Teredo is an adaptation technology that facilitates the transitioning of the internet by giving complete IPv6 connectivity for the hosts that are capable of IPv6 but are actually on the IPv4 internet without having a native connection to IPv6 network. Microsoft has embedded this technology in Xbox and Windows to use IPv6 for P2P connectivity which facilitates in multiplayer gaming purposes. Microsoft Teredo Tunneling Adapter missing in Windows 10 Jun 12, 2012