" Whether gtk-gnutella should honour the request for out-of-band delivery
 of query hits via UDP, provided UDP listening is enabled.  It should not
 be necessary to open a port on your firewall to enable this as your node
 will be the origin of the UDP traffic and should therefore be able to
 receive replies sent to the transient UDP port opened by a masquerading
 firewall.  It is enabled by default because it is deemed safe, as your
 node controls the bulk of the emitted traffic and honours the bandwidth
 limitation you have put in place."

I thought that the whilst the ultrapeers can reply, a lot of the UDP
replies will come direct from distant nodes, hence by-passing the
server-relaying.

Won't therefore the src address of the incoming UDP packet be
unpredictable, meaning firewalls will have to accept udp on that port
from any address *without* a path first being opened up by the
outgoing UDP ?

Cheers,
Jamie


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