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

From Network Devices Security Technical Implementation Guide

Part of AAA server is not connected to non-mgmt network

SV-32518r1_rule The IAO will ensure the authentication server is connected to the management network.

Vulnerability discussion

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.

Check content

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

Connect the authentication servers to only the management network.

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