[p2p-hackers] Supernodes in the FastTrack network
aptgetd at gmail.com
Sun Mar 19 20:50:13 UTC 2006
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.
> If your intent is to listen-in on supernode communication, or
> traffic-shape it etc., that may be harder.
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