[p2p-hackers] Supernodes in the FastTrack network

[noc ops]

Saikat Guha wrote:
> On Sat, 2006-03-18 at 22:43 -0800, noc ops wrote:
> 
>>I'm interested in knowing if there's a way to filter communication among
>>super nodes? If so, any insight will be appreciated.
> 
> 
> Depends on your end-goal. If your end-goal is to prevent local clients
> from becoming supernodes, but allow them to access external supernodes,
> then there are many solutions:
--------------
To block skype communication (super nodes). Blocking TCP (authentication
is ok) it's the super nodes that hard to nail.


> - NAT/firewall the local clients being the extreme
> - Drop inbound first-contact packets to local clients
> - Deep packet inspection for specific patterns identified by Salman
-------------
Salman's paper doesn't address blocking super nodes unless I missed it.



regards,
/virendra

> 
> If your intent is to listen-in on supernode communication, or
> traffic-shape it etc., that may be harder.
> 
> cheers,