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The Cisco router must dynamically manage identifiers.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-96323 | CISC-ND-001160 | SV-105461r1_rule | Medium |
| Description |
|---|
| Dynamic identifier management prevents disruption of operations by minimizing the need for system restarts. Dynamic establishment of new identifiers will occur while the system is operational. New identifiers or changes to existing identifiers must take effect without the need for a system or session restart. Pre-established trust relationships and mechanisms with appropriate authorities (e.g., Active Directory or authentication server) which validate each identifier are essential to prevent unauthorized access by changed or revoked accounts. |
| STIG | Date |
|---|---|
| Cisco IOS XE Router NDM Security Technical Implementation Guide | 2019-07-25 |
Details
| Check Text ( C-95159r1_chk ) |
|---|
| The Cisco router is not compliant with this requirement. However, the risk associated with this requirement can be fully mitigated if the router is configured to utilize an authentication server to authenticate and authorize users for administrative access. Review the router configuration to verify that the device is configured to use an authentication server as primary source for authentication as shown in the following example: aaa new-model ! aaa authentication login LOGIN_AUTHENTICATION group radius local … … … ip http authentication aaa login-authentication LOGIN_AUTHENTICATION ip http secure-server … … … radius-server host x.x.x.x auth-port 1645 acct-port 1646 key xxxxxxx … … … line con 0 exec-timeout 10 0 login authentication LOGIN_AUTHENTICATION line vty 0 4 exec-timeout 10 0 login authentication LOGIN_AUTHENTICATION If the router is not configured to use an authentication server to authenticate and authorize users for administrative access, this is a finding. |
| Fix Text (F-101999r1_fix) |
|---|
| Step 1: Configure the Cisco router to use an authentication server as shown in the following example: R4(config)#radius host 10.1.48.2 key xxxxxx Step 2: Configure the authentication order to use the authentication server as primary source for authentication as shown in the following example: R4(config)#aaa authentication login LOGIN_AUTHENTICATION group radius local Step 3: Configure all network connections associated with a device management to use an authentication server for the purpose of login authentication. R4(config)#line vty 0 4 R4(config-line)#login authentication LOGIN_AUTHENTICATION R4(config-line)#exit R4(config)#line con 0 R4(config-line)#login authentication LOGIN_AUTHENTICATION R4(config-line)#exit R4(config)#ip http authentication aaa login-authentication LOGIN_AUTHENTICATION |