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ICCP Invalid OSI SSEL

 
Signature ID: 5786/0
Original Release:S243
Release:S552 (download)
Original Release Date:2006 August 08
Latest Release Date:2011 March 09
Default Enabled:False
Default Retired:True
Alarm Severity:Low
Fidelity:85 

Description

This signature detects an Session Refuse PDU message resulting from an invalid OSI Session Layer Selector (SSEL) value which could indicate an attempt at unauthorized access to an ICCP server.

Recommended Filter

Authorized ICCP client and server hosts should be filtered.

Benign Triggers

A misconfigured ICCP client could cause this error.

Download

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

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