Jeff,
Interesting.
Can you elaborate on how the direct CTP connection is formed
between the two client nodes? Does your method work on all types of
NAT/Firewall?
Thanks,
Peter
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jeff Capone
Sent: Friday, December 15, 2006 2:15 PM
To: [email protected]
Subject: [p2p-hackers] A new approach to NAT/Firewall traversal
Hi,
If anyone is interested, we have developed an alternative approach to
firewall/NAT traversal using TCP.
If you are interested in how it works, let me know. If you are
interested
in trying it out you can download it from http://www.leafnetworks.net
Here is a brief overview of what we do...
The Leaf 2006 client software uses "Out-of-Band TCP Signaling" to form a
TCP
connection between two computers running the Leaf 2006 client software.
This
out-of-band signaling is achieved by creating a control channel that is
setup using the Leaf Peer Server and used to broker all the TCP
signaling
traffic. Once the TCP connection is formed, the control channel is torn
down
and there is a direct TCP connection between each computer.
Once this socket connection is formed, it is used to create a virtual
private network (VPN) interface that you see as the Leaf Network Adapter
on
your computer. Most VPN solutions that tunnel traffic over a TCP socket
connection suffer from performance degradation - up to 40% loss in
bandwidth. However, we have solved this problem and you will achieve
full
bandwidth connectivity between two computers connected in a Leaf
Network.
Once the private network is formed, we protect it with a built in
firewall
for the Leaf Network Adapter.
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