The results gets sent back along the chain.

That's why it suffices to get the connection to your Ultrapeers through your firewalls to be able to search. Sadly it doesn't work as well for downloads (passing them along the chain would kill the network - instead a non-firewalled third party is used to route the downloads (Push Proxy).

This is different for OOB results (out of band) as far as I know.

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