File: 1813.txt

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Rule:

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Sid:
1813

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Summary:
This event is generated when an ICMP request is made to gain information on available bandwidth.

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Impact:
Information gathering.

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Detailed Information:
An ICMP request is used to elicit information on the bandwidth available on a connection. Digital Island is a company that specializes in content delivery systems.

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Affected Systems:
All

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Attack Scenarios:
An attacker may attempt to determine the bandwidth available to the host.

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Ease of Attack:
Simple

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Block inbound ICMP requests.

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Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

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