How do I configure CUPS in RHEL to verify the certificate presented by a remote print server?

Solution Verified - Updated -

Issue

  • How can I configure CUPS in RHEL to verity the certificate presented by a remote IPP print server?
  • How do I enable mTLS (mutual TLS) in CUPS to ensure that the certificate presented by a remote IPP printer or print server is valid?

Environment

  • Red Hat Enterprise Linux (RHEL) 8 and 9
  • Common Unix Printing System (CUPS) 2.2.6 and 2.3.3

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