GEN:SID | 1:399 |
Message | ICMP Destination Unreachable Host Unreachable |
Summary | This event is generated when An ICMP Host Unreachable datagram is detected on the network.
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Impact | Routers will generate this message when the route to the destination host on a directly connected network is not available. This occurs when no ARP response is received from the destination network.
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Detailed Information | This rule generates informational events about the network. Large numbers of these messages on the network could indication routing problems, faulty routing devices, or improperly configured hosts.
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Affected Systems | |
Attack Scenarios | None Known
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Ease of Attack | Numerous tools and scripts can generate these types of ICMP datagrams.
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Corrective Action | This rule detects informational network information, no corrective action is necessary.
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Additional References | None
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