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What is an IP Security Option?



Article ID: KB4722 KB Last Updated: 16 Jun 2010Version: 3.0
What is an IP Security Option?


Note: This article applies to ScreenOS 4.0 and higher.

An IP Security Option provides a way for hosts to send security, compartmentation, TCC (closed user group) parameters, and Handling Restriction Codes compatible with Department of Defense (DoD) requirements. This option, as specified in Request for Comments (RFC) 791 and RFC 1038, is obsolete and its presence in an IP header is suspect.

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