The Arista network device must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-255949 | ARST-ND-000120 | SV-255949r960840_rule | Medium |
| Description |
| By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. |
| STIG | Date |
| Arista MLS EOS 4.X NDM Security Technical Implementation Guide | 2025-02-20 |
Details
| Check Text (C-59625r882187_chk) |
| Verify the Arista device is configured to enforce the limit of three consecutive invalid logon attempts with the following command: switch#show running-config | section aaa aaa authentication policy lockout failure 3 duration 900 If the Arista device is not configured to enforce the limit of three consecutive invalid logon attempts, this is a finding. |
| Fix Text (F-59568r882188_fix) |
| Configure the account lockout policy using the following commands: switch(config)#aaa authentication policy lockout failure 3 switch(config)#duration 900 switch(config)#exit |