GEN:SID | 1:460 |
Message | ICMP unassigned type 2 |
Summary | This event is generated when an ICMP Type 2 datagram with an undefined ICMP Code is detected on the network.
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Impact | ICMP Type 2 datagrams are not currently used by any known devices.
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Detailed Information | ICMP Type 2 is not defined for use and is not expected network activity. Any ICMP datagram with an undefined ICMP Code should be investigated.
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Affected Systems | |
Attack Scenarios | None known
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Ease of Attack | Numerous tools and scripts can generate this type of ICMP datagram.
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Corrective Action | Ingress filtering should be utilized to block incoming ICMP Type 2 datagrams |
Additional References | None
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