| Message Code | ASA-2-106017 |
| Severity | Critical |
| Description | Deny IP due to Land Attack from IP_address to IP_address. |
| Explanation | The security appliance received a packet with the IP source address equal to the IP destination, and the destination port equal to the source port. This message indicates a spoofed packet that is designed to attack systems. This attack is referred to as a Land Attack. |
| User Action | If this message persists, an attack may be in progress. The packet does not provide enough information to determine where the attack originates. |
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