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It sounds like you're trying to re-implement IPv6 Neighbor Discovery using qr codes. I really don't see the point of this or how it relates to private networkin
by dilyevsky 3y ago
It sounds like you're trying to re-implement IPv6 Neighbor Discovery using qr codes. I really don't see the point of this or how it relates to private networking.
If you want really simple solution on device itself, just let it NDP for router info and drop any incoming SYN that's not already in the conntrack table or part of the ULA space. Boom - done.