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Cisco Security

ICQ Client DNS Request

 
Signature ID: 5537/0
Original Release:S176
Release:S591 (download)
Original Release Date:2005 June 20
Latest Release Date:2011 August 26
Default Enabled:False
Default Retired:True
Alarm Severity:Informational
Fidelity:100 

Description

This signature fires when a DNS request for the IP address of the hostname 'login.icq.com' is detected. This system is associated with the ICQ instant messenger (IM) client and may indicate the usage of ICQ IM clients.This signature obsoletes signature 11206-0.

Recommended Filter

There are no suggested filters.

Benign Triggers

Normal ICQ IM client usage will fire this signature.

IntelliShield Alerts

IntelliShield ID Headline VersionCVSS ScoreLast Published
87Risks of Instant Messaging Applications12000 May 01 16:00 GMT

Download

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

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