IPS Signatures

FTP Authorization Failure

 
Signature ID: 6250/0
Original Release:S49
Release:S435 (download)
Original Release Date:2003 July 28
Latest Release Date:2009 September 17
Default Enabled:True
Default Retired:False
Alarm Severity:Informational
Fidelity:85 

Description

Triggers when a user has failed to authenticate three times in a row, while trying to establish an FTP session.This may be indicative of a brute force password guessing attempt, and may be viewed as an attempt to gain unauthorized access to system resources.

Recommended Filter

No recommended filters.

Benign Triggers

Users that have forgotten passwords may trigger this signature.

Download

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

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