[p2p-hackers] IPv6 and NAT

[Lemon Obrien]

If you use Teredo, then your tied to Teredo. Which is not strategically smart unless your app is made for IT use only.

Evan Tsang <evantsang at gmail.com> wrote:Even if you don't get a real IPv6 address, you can get a Teredo IPv6 address and communicate with other host with Teredo IPv6 address.  You can still connected even if both side are NATed because Teredo tunnel their packets thru UDP and most of the consumer NAT device are not symmetric NAT.  I have built a P2P client that communicate using this scheme in my previous company.  A Teredo address has the prefix 3ffe:831f.  You can obtain a Teredo address by running
> ipv6 install
> netsh interface ipv6 set teredo client

If Microsoft is willing to run a public Teredo relay or Teredo host-specific relay, you can communicate with IPv6 only host as well.

-
Evan Tsang

On 20 May 2005 03:18:32 -0000, larytet.8753341 at bloglines.com < larytet.8753341 at bloglines.com> wrote:"Given that l33t hackers are already giving owned machines ipv6 addresses 
anyway..."

i have IPv6 address on my machine. i am behind NAT and firewall
and can do nothing besides testing between two PCs connected to the same LAN.
i understand that without tunnel in the NAT (static one to one) i can not 
do much with IPv6. am i right ?
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Lemon Obrien, the Third.
		
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