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The Cisco router must be configured to use at least two authentication servers for the purpose of authenticating users prior to granting administrative access.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-215709 | CISC-ND-001370 | SV-215709r961863_rule | High |
| Description |
|---|
| Centralized management of user accounts and authentication increases the administrative access to the router. 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. |
| STIG | Date |
|---|---|
| Cisco IOS Router NDM Security Technical Implementation Guide | 2024-06-06 |
Details
| Check Text ( C-16903r939984_chk ) |
|---|
| Review the Cisco router configuration to verify that the device is configured to use at least two authentication servers as primary source for authentication as shown in the following example: aaa new-model ! aaa authentication CONSOLE local 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 1812 acct-port 1813 key xxxxxxx radius-server host x.x.x.x auth-port 1812 acct-port 1813 key xxxxxxx … … … line con 0 exec-timeout 5 0 login authentication CONSOLE line vty 0 1 exec-timeout 5 0 login authentication LOGIN_AUTHENTICATION If the Cisco router is not configured to use at least two authentication servers for the purpose of authenticating users prior to granting administrative access, this is a finding. |
| Fix Text (F-16901r939985_fix) |
|---|
| Step 1: Configure the Cisco router to use at least two authentication servers as shown in the following example: R4(config)#radius host 10.1.48.2 key xxxxxx R4(config)#radius host 10.1.48.3 key xxxxxx Step 2: Configure the authentication order to use the authentication servers as primary source for authentication as shown in the following example: R4(config)#aaa authentication CONSOLE local R4(config)#aaa authentication login LOGIN_AUTHENTICATION group radius local Step 3: Configure all network connections associated with a device management to use the authentication servers for the purpose of login authentication. R4(config)#line vty 0 1 R4(config-line)#login authentication LOGIN_AUTHENTICATION R4(config-line)#exit R4(config)#line con 0 R4(config-line)#login authentication CONSOLE R4(config-line)#exit R4(config)#ip http authentication aaa login-authentication LOGIN_AUTHENTICATION |