Jakob Riis

Hi - I'm using udpsend and udpreceive for a network instrument. 

New problem is that the other player is now on a network were he can't

access the router. I guess I can check for open ports, but does any of

you know a way to see from the outside which local IP a computer is at -

jr.abstractions for MaxMSP - new version (2008-01-15)

Hi - I'm using udpsend and udpreceive for a network instrument. 
New problem is that the other player is now on a network were he can't
access the router. I guess I can check for open ports, but does any of
you know a way to see from the outside which local IP a computer is at -
and send to it? 
/J

jr.abstractions for MaxMSP - new version (2008-01-15)
http://www.sonicescape.net/maxmsp/


On 4 Feb 2008, at 09:30, Jakob Riis wrote:

> I guess I can check for open ports, but does any of

> you know a way to see from the outside which local IP a computer is 

Knowing the local IP of the recipient isn't much use to you - the 

address is, after all, local. You need to program the router so that 

it forwards packets coming to its external IP on a particular port to 

the particular local IP. (It's usually called "Reverse NAT.")

> I guess I can check for open ports, but does any of
> you know a way to see from the outside which local IP a computer is  
> at -
> and send to it?

Knowing the local IP of the recipient isn't much use to you - the  
address is, after all, local. You need to program the router so that  
it forwards packets coming to its external IP on a particular port to  
the particular local IP. (It's usually called "Reverse NAT.")

Nick Rothwell / Cassiel.com Limited
www.cassiel.com
www.myspace.com/cassieldotcom
www.last.fm/music/cassiel
www.reverbnation.com/cassiel
www.linkedin.com/in/cassiel
www.loadbang.net


Yes, we use do bidirectionnal communication. 

But since we don't have access to the routers on one both sides, I guess

Yes, we use do bidirectionnal communication. 
But since we don't have access to the routers on one both sides, I guess
its a no go!
Thanks for the help anyway.