[p2p-hackers] Real-world UPnP stats

Alex Pankratov ap at hamachi.cc
Tue Apr 25 19:19:09 UTC 2006



coderman wrote:
> On 4/24/06, Alex Pankratov <ap at hamachi.cc> wrote:
>> ...
>> Roughly a half of all clients that reported success talking to
>> their 'routers' and establishing TCP/UDP port mappings were
>> still inaccessible from an outside via their mapped ports.
>> ...
>> Anyone care to comment or compare this to their own numbers ?
> 
> what ports? many ISP's block port 80/443 for residential customers.
> 
> did you try ports >1024?

They are all dynamic, ie >1024.

One other thing that I should've mentioned is that there's plenty
of clients that have only TCP or only UDP mapping not working, but
not both.



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