Miniupnpc lib and a simple stun server and NAT punch through should take
no longer than a half an afternoon.
tricky ;)
Heres the lib i was referring to.
http://miniupnp.free.fr/
On 5/3/2011 12:34 AM, Chris Meub wrote:
I am by no means an expert on the subject, but I am using a really
basic form of NAT punch-through with Enet at the moment with a hobby
project. I have 2 clients, one at home behind a consumer router, and 1
at the office behind a firewall. Both connect to a central server, and
begin transmitting packets to the server. The server collates the
packets into simulation step packets, and sends those back to each
client. This system works fine and I've had no issues with our
firewall or any routers.
Now I imagine if you wanted to get rid of the central server, that
would be another story. You would probably have to still use a central
server for matchmaking and then do some trickery to figure out which
IP+port each peer needed to start sending packets to in order to
bypass the firewall(s). But I imagine one could still do that with Enet.
The only other thing I can think of would be some kind of brute force
library that randomly tries ports until it finds one that can get
through the firewall. Is that what RakNet provides?
On Mon, May 2, 2011 at 1:32 PM, Josh Klint <[email protected]
<mailto:[email protected]>> wrote:
Hi,
A search for enet and NAT punch-through yields a lot of questions
about whether this is possible and discussion of how it might be
done, but I have never found an actual instance of working code,
or anyone who claims to have successfully implemented NAT
punch-through with enet.
I love the simplicity of enet, but without NAT punch-through
support, I don't see how it is useful for networked software.
I’ll have to (unfortunately) go with RakNet, which is huge,
bloated, and comes with licensing hang-ups I have to pass on to my
customers.
Best Regards,
Josh Klint
CEO
Leadwerks Software
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