Explanation asked about log message

Discussion in 'Cisco' started by Chris, Dec 6, 2004.

  1. Chris

    Chris Guest

    Hi Group,

    In my 1721's log I got this message:

    042388: Dec 6 19:08:33.819 CEST: %FW-4-ALERT_ON: getting aggressive, count
    (40/500) current 1-min rate: 501

    This sounds creepy, can anybody explain what this means ?
    Thanks, Chris
    Chris, Dec 6, 2004
    #1
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  2. Chris

    Erik Freitag Guest

    On Mon, 06 Dec 2004 19:21:03 +0100, Chris wrote:

    > Hi Group,
    >
    > In my 1721's log I got this message:
    >
    > 042388: Dec 6 19:08:33.819 CEST: %FW-4-ALERT_ON: getting aggressive, count
    > (40/500) current 1-min rate: 501
    >
    > This sounds creepy, can anybody explain what this means ?


    You are running the IP/FW/IDS version of IOS and your Intrusion Detection
    kicked in. Either "too many" connections in too short a time, or too many
    half-open connections were detected. There might be a DoS attack in
    progress, or there might just be a lot of connections coming in a short
    period. The IOS is "getting aggressive" about closing the connections more
    quickly.
    Erik Freitag, Dec 6, 2004
    #2
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