A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Traversal Using Relay NAT (TURN)
Author(s) : J. Rosenberg
Filename : draft-rosenberg-midcom-turn-03.txt
Pages : 44
Date : 2003-10-28
Traversal Using Relay NAT (TURN) is a protocol that allows for an
element behind a NAT or firewall to receive incoming data over TCP or
UDP connections. It is most useful for elements behind symmetric NATs
or firewalls that wish to be on the receiving end of a connection to
a single peer. TURN does not allow for users to run servers on well
known ports if they are behind a nat; it supports the connection of a
user behind a nat to only a single peer. In that regard, its role is
to provide the same security functions provided by symmetric NATs
firewalls, but to ``turn'' the tables so that the element on the
inside can be on the receiving end, rather than the sending end, of a
connection that is requested by the client.
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