IPS Signatures

SYN Flood DOS

 
Signature ID: 6009/0
Original Release:S214
Release:S593 (download)
Original Release Date:2008 September 04
Latest Release Date:2011 September 07
Default Enabled:False
Default Retired:True
CVE:CVE-2012-3073
Alarm Severity:Medium
Fidelity:85 

Description

This signature detects a flood of TCP SYN packets at a rate of 100 per second or greater.

Recommended Filter

Filter systems invoking automated connections as sources for this alarm.

Benign Triggers

Legitimate automated processes may cause this signature to fire.

IntelliShield Alerts

Download

To download this and other IPS update files, please go to Cisco Secure Software Download.

LEGAL DISCLAIMER
THE INFORMATION ON THIS PAGE IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION CONTAINED HEREIN, OR MATERIALS LINKED FROM THE DOCUMENT, IS AT YOUR OWN RISK. INFORMATION IN THIS DOCUMENT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
Powered by  IntelliShield