Detect Rogue DHCP Server


By enabling DHCP Snooping as a Layer 2 Security measure on the organization's network devices, we will be able to detect unauthorized DHCP servers handing out DHCP leases to devices on the network (Man in the Middle attack).


Detect Rogue DHCP Server Help

This search uses a standard SPL query on logs from Cisco Network devices. The network devices must be configured with DHCP Snooping enabled (see and log with a severity level of minimum "5 - notification". The search also requires that the Cisco Networks Add-on for Splunk ( is used to parse the logs from the Cisco network devices.


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