ack-number

Syntax

ack-number {match (equal | greater-than | less-than | not-equal);value acknowledgement-number ;}

Hierarchy Level

[edit security idp custom-attack attack-name attack-type signature protocol tcp]

Release Information

Statement introduced in Release 9.3 of Junos OS.

Description

Specify the ACK number of the packet. This number identifies the next sequence number; the ACK flag must be set to activate this field.

Options

match (equal | greater-than | less-than | not-equal)—Match an operand.

value acknowledgement-number —Match the ACK number of the packet.

Range: 0 through 4294967295

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.