expression

Syntax

expression boolean-expression;

Hierarchy Level

[edit security idp custom-attack attack-name attack-type chain]

Release Information

Statement introduced in Release 9.3 of Junos OS.

Description

Configure Boolean expression. The Boolean expression defines the condition for the individual members of a chain attack that will decide if the chain attack is hit.

For standalone IDP devices, expression overrides order function.

For SRX Series devices, expression and order cannot be configured together. Only one of them can be specified.

Options

boolean-expression—Boolean operators:

or—If either of the member name patterns match, the expression matches.
and—If both of the member name patterns mach, the expression matches. It does not matter which order the members appear in.
oand—If both of the member name patterns match, and if they appear in the same order as in the Boolean Expression, the expression matches.

Usage Guidelines

For configuration instructions and examples, see the Junos OS Security Configuration Guide.

Required Privilege Level

security—To view this statement in the configuration.

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