[bittorrent] TCP Nat Traversal help request

Jon Bellamy y2jb at hotmail.co.uk
Thu Apr 14 04:22:20 EDT 2011

Take a look at upnp & nat-pmp, they will allow you to open tcp ports (on compatible routers). Tcp nat traversal using technologies such as stun, turn, ice etc are all a bit of a nightmare and still fairly unreliable, especially for tcp.

> Date: Wed, 13 Apr 2011 19:30:28 -0300
> From: kaneda.uy at gmail.com
> To: bittorrent at lists.ibiblio.org
> Subject: [bittorrent] TCP Nat Traversal help request
> We are two students who are trying to do NAT Traversal through TCP. We 
> found various free implementations of UDP NAT Traversal and some that 
> talk about TCP over UDP but we are looking for pure TCP NAT Traversal. 
> We found several papers talking about techniques of doing this but no 
> implementation what so ever. Any reference to a library or program that 
> implements this solution will be immensely appreciated.
> We need this for our thesis, we are working with the Goalbit project in 
> conjunction with the VLC group so we are looking for something under GPL 
> license.
> Thanks in advance.
> Andrés Suero and Federico Kouyoumdjian, Facultad de Ingeniería, 
> Universidad de la República, Uruguay.
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