Article · Wikipedia archive · Last revised Jun 7, 2026

Commercial Internet Protocol Security Option

The Commercial Internet Protocol Security Option (CIPSO) is a mechanism for attaching security labels to Internet Protocol traffic. It was supported by an IETF working group in coordination with the Trusted Systems Interoperability Group. CIPSO was used by Solaris Trusted Extensions.

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Jun 7, 2026
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The Commercial Internet Protocol Security Option (CIPSO) is a mechanism for attaching security labels to Internet Protocol traffic. It was supported by an IETF working group in coordination with the Trusted Systems Interoperability Group.1 CIPSO was used by Solaris Trusted Extensions.2

It has been replaced by the U.S. DoD Security Options for the Internet Protocol, defined in RFC 1108.13

References

References

  1. "Commercial Internet Protocol Security Option (cipso)". datatracker.ietf.org. Retrieved 2025-04-02.
  2. "Solaris Operating System Data Sheet Solaris Trusted Extensions". www.oracle.com. Archived from the original on 2024-08-10. Retrieved 2025-04-02.
  3. U.S. Department of Defense Security Options for the Internet Protocol (Report). Internet Engineering Task Force. November 1991.
See also

See also

  • IP Encapsulating Security Payload