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    This is interesting research, but being half-way through I’ve already found a few misconceptions.

    • if you listen to an interface, instead of a specific IP, it looks at a sysctl setting net.ipv6.conf.all.use_tempaddr, which most distributions set to 2, that is prefer private addresses
    • dropping ICMP traffic has always been frowned upon. Implications of ICMP6 are not really new, here.