STUN Client and Server from http://sourceforge.net/projects/stun/
Description This project implements a simple STUN server and client on Windows, Linux, and Solaris. The STUN protocol (Simple Traversal of UDP through NATs) is described in the IETF RFC 3489, available at http://www.ietf.org/rfc/rfc3489.txt
STUN Client and Server Web Site Categories Internet, Internet Phone, Networking, Telephony License Vovida Software License 1.0