ipa installer SecurityWarning certificate has no subjectAltName

Solution Verified - Updated -

Issue

  • When installing IPA replica, below warning shown in console:
[3/5]: Importing RA Key

/usr/lib/python2.7/site-packages/urllib3/connection.py:251: SecurityWarning: Certificate has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)

Environment

  • Red Hat Enterprise Linux 7.4

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