[Shtoom] shtoom through NAT

Dafydd Harries daf at muse.19inch.net
Thu Mar 3 14:28:16 CET 2005


Ar 04/03/2005 am 00:23, ysgrifennodd Anthony Baxter:
> On Friday 04 March 2005 00:20, Anthony Baxter wrote:
> > Symmetric NATs are a pain. As the output says, you'll need to use an
> > outbound proxy. A number of providers run these - for instance, FWD, divmod
> > and stanaphone all have them. To use it with, for instance, FWD, set the
> > outbound proxy setting to 	fwdnat.pulver.com:5082
> 
> I should also add that the other way to deal with symmetric NATs is to 
> enable UPnP on them. I'm not sure about the state of UPnP on Linux - 
> at some point, I plan to write a small UPnP server (in Python) which will
> have hooks to call out to the relevant programs to actually do the port
> forwarding...

So UPnP is the sanest of the available NAT-punching protocols?

In which cases does Shtoom need to be able to accept incoming
packets? Are these packets TCP or UDP or both?

-- 
Dafydd



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