So, from SSL you can find the socket and thence the IP, and in theory
you can use things like the ARP ioctls to _try_ to find the MAC (eg
Ethernet) address - however that last part only really works when all
the systems are in the same broadcast domain. If they are on the other
side of a router or routers you will not be able to get the remote
system's MAC address - the MAC address is not "end-to-end" in an
internet or intranet, only in a LAN.
So, if you are relying on finding the remote's MAC address, you are
basically by definition limiting your application to a LAN.
rick jones
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