The IAO will ensure the authentication server is connected to the management network.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-25896	NET0435	SV-32518r1_rule		Medium

Description
Using standardized authentication protocols such as RADIUS, TACACS+, and Kerberos, an authentication server provides centralized and robust authentication services for the management of network components. In order to control access to the servers as well as monitor traffic to them, the authentication servers should only be connected to the management network.

STIG	Date
Network Devices Security Technical Implementation Guide	2018-11-27

Details

Check Text ( C-32827r1_chk )
Review the network topology to determine what network they are connected to. Verify that they are not dual-homed by physically inspecting the device’s LAN connection

Fix Text (F-28938r1_fix)
Connect the authentication servers to only the management network.