NAT2NAT without port configuration is not that hard to implement.
A nat router need to keep the udp ports open for a amount of time,
unlike tcp that close on disconnect.
Using a 3the server you can cross nat info and make a direct connection.

It works for nat routers, it does NOT work if the corporate firewall
also block outgoing connections.

We are current running some test for ultravnc, but the nat connector
is flavor independed.  It should also work with real and tight.
Local port is used to forward the connection to the seperated nat exe.

More info about how it works can be found on
http://www.uvnc.com/index.php?section=21
and
http://doc.uvnc.com/nat2nat.html


Source is current closed......but.
If developpers of Real and Tight vnc are interested
in helping to implement it and have some bandwidth
to set up a second nathelper i will make it open.

Rudi De Vos
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  • RE: A simple, solid and stable P2P Bidirectional NAT Trav... Rudi De Vos

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