NAT traversal is a security breach that became a de-facto standard and is part of the SIP, STUN, and IPSec (extended) standards among other RFCs. It exists beca

NAT traversal is a security breach that became a de-facto standard and is part of the SIP, STUN, and IPSec (extended) standards among other RFCs. It exists because NAT itself is an abomination.