syn-flood

Syntax

syn-flood {alarm-threshold number ;attack-threshold number ;destination-threshold number ;source-threshold number ;timeout seconds ;}

Hierarchy Level

[edit security screen ids-option screen-name tcp]

Release Information

Statement introduced in Release 8.5 of Junos OS.

Description

Configure detection and prevention of SYN flood attacks. Such attacks occur when the connecting host continuously sends TCP SYN requests without replying to the corresponding ACK responses.

Options

The remaining statements are explained separately.

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.