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unknown-protocol (IDS Screen Next Gen Services)


Hierarchy Level


Identify and drop IP frames with protocol numbers greater than 137 for IPv4 and 139 for IPv6, which protects against IP unknown protocol attacks.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 19.3R2.