[Netalyzr] NAT-PMP Support
christian at icir.org
Mon Jul 11 10:25:31 PDT 2011
On 07/09/2011 02:30 PM, Sabahattin Gucukoglu wrote:
> Noticing that you have IGD (UPnP) support there, is NAT-PMP a
> possible addition? All it needs is a single UDP datagram to the
> gateway address.
Yeah, we've actually thought about that. So far we haven't done so
because NAT-PMP provides something qualitatively different from UPnP. We
use UPnP to find the users' gateway devices and the specific models, so
we can identify particular troublemakers. That's a biggie.
NAT-PMP's main purpose is establishing port mappings, which we currently
do not foresee needing. Merely testing the ability to establish a port
forwarding bears the risk of perturbing the state of the user's network,
which we try to avoid. However, NAT-PMP's ability to tell us the
gateway's external IP address is handy, so we may well add support for it.
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