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

[jira] [Created] (HADOOP-19959) Support IP subject alternative names in SSLHostnameVerifier

Siyao Meng created HADOOP-19959:
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             Summary: Support IP subject alternative names in SSLHostnameVerifier
                 Key: HADOOP-19959
                 URL: https://issues.apache.org/jira/browse/HADOOP-19959
             Project: Hadoop Common
          Issue Type: Sub-task
            Reporter: Siyao Meng


SSLHostnameVerifier reads only DNS subject alternative names. It cannot verify a URL that uses an IPv4 or IPv6 literal. Read X.509 IP address subject alternative names. Normalize bracketed IPv6 hosts and equivalent IPv6 forms. Do not match an IP address through a DNS name or common name.



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