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Posted to common-dev@hadoop.apache.org by "Siyao Meng (Jira)" <ji...@apache.org> on 2026/08/10 15:44:00 UTC

[jira] [Created] (HADOOP-19962) Support IPv6 CIDR rules in MachineList

Siyao Meng created HADOOP-19962:
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             Summary: Support IPv6 CIDR rules in MachineList
                 Key: HADOOP-19962
                 URL: https://issues.apache.org/jira/browse/HADOOP-19962
             Project: Hadoop Common
          Issue Type: Sub-task
            Reporter: Siyao Meng


MachineList uses the IPv4-only SubnetUtils class. IPv6 CIDR rules therefore fail in address-based security policies. Add family-aware prefix matching for IPv4 and IPv6. Preserve existing IPv4 behavior. Reject invalid prefixes and addresses from the wrong family.



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