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A comment on Mitigating a DDoS on Mastodon. Parent comment

Re:Mitigating a DDoS on Mastodon by tyingq on Friday December 06, 2019 @06:40AM (#21720923)
That's an interesting side topic. What do services like Shodan do in an ipv6 world? Dumb brute force scanning seems unlikely.
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Re:Mitigating a DDoS on Mastodon by Nextgrid on Friday December 06, 2019 @07:05AM (#21721066)
They run NTP servers that are (were?) included in the NTP pool to fish for clients’ IPv6 addresses.
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Re:Mitigating a DDoS on Mastodon by tyingq on Friday December 06, 2019 @07:13AM (#21721109)
Interesting. I also found this post about using UpnP on ipv4 addresses to unmask ipv6. https://blog.talosintelligence.com/2019/03/ipv6-unmasking-vi...
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