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 | CCI-000044 | 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-255949r960840_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