This script is Copyright (C) 2008-2011 Tenable Network Security, Inc.
A service for TCP NAT traversal is listening on the remote host.
The remote service is an XSTUNT server. XSTUNT is a variation on
STUNT (Simple Traversal of UDP Through NATs and TCP too), which
extends STUN to include TCP functionality.
See also :
Make sure use of this program fits with your corporate security
Risk factor :