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A comment on Hello IPv6: a minimal tutorial for IPv4 users. Parent comment

Re:Hello IPv6: a minimal tutorial for IPv4 users by admax88qqq on Thursday October 07, 2021 @05:30PM (#28792338)
Doesn't have to be DNS, could be any sort of cache on the router that updates when new hosts come online or the prefix changes.

Plus blackholing temporarily due to a stale cache is better than blackholing permanently due to a stale rule pointing to an old IP.

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Re:Hello IPv6: a minimal tutorial for IPv4 users by blibble on Thursday October 07, 2021 @09:51PM (#28794781)
how do client firewalls deal with that?

the don't know the router lost its connection

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