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  1. JDK
  2. JDK-8241800

Disable IPV6_MULTICAST_ALL to prevent interference from all multicast groups

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    • Icon: Enhancement Enhancement
    • Resolution: Fixed
    • Icon: P3 P3
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    • core-libs
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    • b03

      This is a follow-up to the discussion on net-dev from 2018 starting here:
      https://mail.openjdk.java.net/pipermail/net-dev/2018-September/011731.html

      From what I can tell, IPV6_MULTICAST_ALL was added to the Linux 4.20 kernel so is already available in many distros. We should look into this again with a view to disabling this socket option by default (as we do with IP_MULTICAST_ALL).

            michaelm Michael McMahon
            alanb Alan Bateman
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