Alex,
I'm afraid the citation links seem to be broken (nat.html is missing), so
it's difficult to see any of the supporting documentation for this.
As it stands, UDP hole-punching fundamentally requires that your NAT
router allow UDP traffic through, which is not something most good NAT
James Weatherall wrote:
Alex,
I'm afraid the citation links seem to be broken (nat.html is missing), so
it's difficult to see any of the supporting documentation for this.
Works for me just fine, but here's a direct link anyway -
http://www.brynosaurus.com/pub/net/p2pnat.pdf
And
Alex,
Actually, as I said in previous mail, it's the citation links that are
broken, not the link to the document itself.
To summarise the hole-punching aspect of things, it's basically the case
that msot NAT routers keep track of recent outbound UDP packets will allow
incoming traffic
