From MobileIron Core v9.x MDM Security Technical Implementation Guide
Part of PP-MDM-991000
Associated with: CCI-000382
Most information systems are capable of providing a wide variety of functions and services. Some of the functions and services provided by default may not be necessary to support essential organizational operations. Unneeded services and processes provide additional threat vectors and avenues of attack to the information system. The MDM server is a critical component of the mobility architecture and must be configured to only those ports, protocols, and services (PPS) necessary to support functionality, all others must be expressly disabled or removed. A DoD-approved firewall implements the required network restrictions. A host-based firewall is appropriate where the MDM server runs on a standalone platform. Network firewalls or other architectures may be preferred where the MDM server runs in a cloud or virtualized solution.
Review the network configuration of the network segment the MobileIron Core MDM server appliance is installed on to determine whether a DoD-approved firewall is installed to filter all IP traffic to/from the MDM appliance. If there is not a firewall present on the network segment the MobileIron Core MDM server appliance is installed on, or if it is not configured to prohibit or restrict the use of organization-defined functions, ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments, this is a finding.
Install a DoD-approved firewall to protect the network segment the MobileIron Core MDM appliance is installed on.
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