Multicast has the potential to almost arbitrarily amplify DDOS with IP spoofing ... | Hacker News

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throwaway2048 on June 13, 2019 | parent | context | favorite | on: The world in which IPv6 was a good design (2017)

Multicast has the potential to almost arbitrarily amplify DDOS with IP spoofing (which, yes, still exists).

yusyusyus on June 13, 2019 [–]

How exactly? Sources have to pass RPF check following ucast path and receivers have to follow the path either to RP or source, or the packets don't get there.

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