[twsocket] Client Server connectivity

2011-12-15 Thread Matt Minnis
How does one handle client/server connectivity in a way that avoids needing
to do port forwarding in routers?
Ie Something like LogmeIn.com.  How do they have it so you log into their
server and can contact the client machine even behind a firewall?
I'm starting on a project and need to know how to do something like this.  I
plan to use ICS to do it, but I am trying to figure out how to architect the
connections.

Any thoughts/suggestions?

Thanks,
Matt

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Re: [twsocket] Client Server connectivity

2011-12-15 Thread François Piette
How does one handle client/server connectivity in a way that avoids needing

 to do port forwarding in routers? Ie Something like LogmeIn.com.  
 How do they have it so you log into their server and can contact the
client machine 
 even behind a firewall?

In those applications, you have a central server located on the internet and
accessible from everywhere. Then you have two clients: one for the guy which
need assistance and one for the guy who provides assistance. The server
relay traffic between the two. The clients stay connected all the time to
the server and the server never initiate the connection to the client.

Another option is to use a plug and play protocol that routers have which
allows a computer to open a port forwarding to him.

--
francois.pie...@overbyte.be
The author of the freeware multi-tier middleware MidWare
The author of the freeware Internet Component Suite (ICS)
http://www.overbyte.be




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