Name1

Appendix B Signature Engines

Meta Engine

All signature events are handed off to the Meta engine by the Signature Event Action Processor. The Signature Event Action Processor hands off the event after processing the minimum hits option. Summarization and event action are processed after the Meta engine has processed the component events.

Table B-15lists the parameters specific to the Meta engine.

Table B-15	Meta Engine Parameters

Parameter		Description	Value

component-list		Specifies the Meta engine component:	name1
		• edit—Edits an existing entry.
		• insert—Inserts a new entry into the list:
		– begin—Places the entry at the beginning
		of the active list.
		– end—Places the entry at the end of the
		active list.
		– inactive—Places the entry into the
		inactive list.
		– before—Places the entry before the
		specified entry.
		– after—Places the entry after the
		specified entry.
		• move—Moves an entry in the list.
		• component-count—Specifies the number of
		times component must fire before this
		component is satisfied
		• component-sig-id—Specifies the signature
		ID of the signature to match this component
		on.
		• component-subsig-id—Specifies the	true false
		subsignature ID of the signature to match	true false
		this component on.
		• is-not-component—Specifies that the
		component is a NOT component.

component-list-in-order		Specifies to fire the component list in order.	true false

all-components-required		Specifies to use all components.	true false

all-not-components-required		Specifies to use all of the NOT components.	true false

swap-attacker-victim		Swaps the attacker and victim addresses and	true false (default)
		ports (source and destination) in the alert
		message and in any actions taken.

meta-reset-interval		Specifies the time in seconds to reset the Meta	0 to 3600
		signature.

	Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2
B-34	OL-29168-01

IPS4510K9 specifications

Cisco Systems has long been a leading player in network security, and its IPS (Intrusion Prevention System) series is a testament to its commitment to safeguarding digital environments. Among its notable offerings are the IPS4510K9 and IPS4520K9 models, both designed to provide advanced threat protection for mid-sized to large enterprise networks.

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Cisco Systems IPS4510K9 manual Component-list Specifies the Meta engine component, Name1

Models: IPS4510K9

Parameter

component-list

Specifies the Meta engine component:

OL-29168-01

IPS4510K9 specifications