My goal is to receive a UDP packet from a single port on a public
interface and redirect it to multiple ports on 127.0.0.1 in a
round-robin fashion. The messages are simple one-shot receive/reply
messages, so I don't need a persistent mapping, but I will need to make
the replies appear to have come from the port on the public interface.
I believe it will be much more efficient to do this translation in
iptables then to have a user space process act as a proxy.
I haven't been able to find an example of anyone doing anything similar,
and its not 100% clear if this is supported, or if I would want to use
the REDIRECT or BALANCE targets or some other method. Could someone get
me started in the right direction?
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