From Juniper Router NDM Security Technical Implementation Guide
Part of SRG-APP-000148-NDM-000346
Associated with: CCI-001358 CCI-002111
Authentication for administrative (privileged level) access to the device is required at all times. An account can be created on the device's local database for use when the authentication server is down or connectivity between the device and the authentication server is not operable. This account is referred to as the account of last resort since it is intended to be used as a last resort and when immediate administrative access is absolutely necessary.
Review the router configuration to verify that a local account for last resort has been configured with privileges that will enable the administrator to troubleshoot network outage and restore operations as shown in the following example: system { authentication-order [ radius password ]; } login { class JR_ENGINEER { permissions all; deny-commands "(file delete)"; deny-configuration "(system syslog)"; } user Last_Resort { uid 2000; class JR_ENGINEER; authentication { encrypted-password "$1$CYrhql/I$v2ydLnac9EPdA1F/KvROT1"; ## SECRET-DATA } } If the router is not configured with only one local account to be used as the account of last resort in the event the authentication server is unavailable, this is a finding.
Step 1: Configure a class with the necessary privileges to troubleshoot network outage and restore operations as shown in the following example: [edit system] set login class JR_ENGINEER permissions all set login class JR_ENGINEER deny-configuration "(system syslog)" set login class JR_ENGINEER deny-commands “(file delete)” Step 2: Assign the account of last resort to the JR_ENGINEER class set user LAST_RESORT class JR_ENGINEER authentication plain-text-password New password: xxxxxxxxxxxxx Step 3: Configure the authentication order to use the local account if the authentication server is not reachable as shown in the following example: [edit system] set authentication-order [radius password]
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