Accounts for device management must be configured on the authentication server and not the network device itself, except for the account of last resort.

From DBN-6300 NDM Security Technical Implementation Guide

SV-91717r1_rule Accounts for device management must be configured on the authentication server and not the network device itself, except for the account of last resort.

Vulnerability discussion

Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control is particularly important protection against the insider threat.With robust centralized management, audit records for administrator account access to the organization's network devices can be more readily analyzed for trends and anomalies. The alternative method of defining administrator accounts on each device exposes the device configuration to remote access authentication attacks and system administrators with multiple authenticators for each network device.

Check content

Verify that the LDAP authentication server is configured correctly. Navigate to Settings >> Initial Configuration >> Authentication. Verify that the LDAP server entry is correct and the button for "LDAP Based Authentication" is enabled. Verify that the "Native takes precedence" button is set to "Disabled". If the LDAP server entry is not present and enabled, and the "Native takes precedence" button is not set to "Disabled", this is a finding.

Fix text

Navigate to Settings >> Initial Configuration >> Authentication. Enter the correct LDAP server entry. Press the button for "LDAP Based Authentication" so that it is enabled. If necessary, press the "Disabled" button for "Native takes precedence". Press the "Commit" button.

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