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  1. JDK
  2. JDK-8241800

Disable IPV6_MULTICAST_ALL to prevent interference from all multicast groups

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    • Enhancement
    • Resolution: Fixed
    • P3
    • 22
    • None
    • core-libs
    • None
    • b03

    Description

      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).

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              michaelm Michael McMahon
              alanb Alan Bateman
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                Created:
                Updated:
                Resolved: