Arista EOS
TMA-ARISTA-EOS-2.5.3
Authentication, Authorization, and Accounting
Description
The use of Authentication, Authorization, and Accounting (AAA) affords the best methods for controlling user access, authorization levels, and activity logging. By enabling AAA on the switches in conjunction with an authentication server such as TACACS+ or RADIUS the administrators can easily add or remove user accounts, add or remove command authorizations, and maintain a log of user activity. The Authentication, Authorization, and Accounting (AAA) framework is essential to securing a network device. The AAA framework provides a mechanism to authenticate and limit specific actions being performed within a management session. Requires group-based login authentication, exec authorization and command authorization. Audited against the output of 'show running-config' (not 'show running-config all').
How it is checked
Audit method: Configuration pattern
- Pattern
(?m)(?s:^aaa authentication login default group \S.*^aaa authorization exec default group \S.*^aaa authorization commands all default group \S)|(?s:^aaa authentication login default group \S.*^aaa authorization commands all default group \S.*^aaa authorization exec default group \S)|(?s:^aaa authorization exec default group \S.*^aaa authentication login default group \S.*^aaa authorization commands all default group \S)|(?s:^aaa authorization exec default group \S.*^aaa authorization commands all default group \S.*^aaa authentication login default group \S)|(?s:^aaa authorization commands all default group \S.*^aaa authentication login default group \S.*^aaa authorization exec default group \S)|(?s:^aaa authorization commands all default group \S.*^aaa authorization exec default group \S.*^aaa authentication login default group \S)
How it is fixed
Fix method: Guidance or infrastructure patch
! Configure AAA. Servers should be reachable via the management vrf. aaa group server tacacs+ TACPLUS server {ip address} vrf {management vrf} server {ip address2} vrf {management vrf} exit aaa authentication default enable group TACACS+ local aaa authentication login default group TACPLUS local aaa authentication enable default group TACPLUS local aaa authorization exec default group TACPLUS local aaa authorization commands all default group TACPLUS local
Properties
- Operating systems
- Any
- Tags
- arista-eosnetworklogging
- Reference
- CIS Arista EOS Benchmark v1.0.0 - 2.5.3 Authentication, Authorization, and Accounting
Check this host
Run this on a machine you are allowed to audit. The scan is read-only.
tmaegis scan --target arista-eos