Intrusion Prevention

RefRef.DoS

Description

This indicates detection of an attempt to use the RefRef tool to attack an HTTP server.
RefRef is a Perl tool used to perform Distributed Denial of Service attacks by sending a sequence of HTTP requests to a target host.

Affected Products

Any site providing HTTP service.

Impact

Denial of Service.

Recommended Actions

This signature and the DoS sensor can be enabled to reduce the impact of attack.