Dynamic Host Configuration Protocol (DHCP) servers used within SIPRNet infrastructure must be configured with a minimum lease duration time of 30 days.

From Network Infrastructure Policy Security Technical Implementation Guide

Part of DHCP lease duration is less than 30 days on SIPR.

Associated with: CCI-001902

SV-8586r3_rule Dynamic Host Configuration Protocol (DHCP) servers used within SIPRNet infrastructure must be configured with a minimum lease duration time of 30 days.

Vulnerability discussion

In order to trace, audit, and investigate suspicious activity, DHCP servers within the SIPRNet infrastructure must have the minimum lease duration time configured to 30 or more days.

Check content

Review the configuration of SIPRNet DHCP servers to verify that the lease duration is set to a minimum of thirty days. If the lease duration is less than thirty days, this is a finding.

Fix text

Configure any DHCP server used on the SIPRNet with a minimum lease duration of thirty days.

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