Teredo Protocol ((install)) ⭐ Best Pick

// Disable Teredo netsh interface teredo set state disabled

Example: A client behind NAT with public IP 192.0.2.44 and UDP port 12345 connecting to server 192.0.2.1 gets an address like 2001:0:4136:e378:8000:63bf:3fff:fdd2 . teredo protocol

The Teredo protocol is a network transition mechanism defined in (updated by RFC 5991 and RFC 6346). Its primary purpose is to provide IPv6 connectivity to nodes located behind Network Address Translation (NAT) devices that do not support native IPv6 and cannot utilize other tunneling methods like 6to4 (which requires a public IPv4 address). // Disable Teredo netsh interface teredo set state