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.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-255949 | SRG-APP-000065-NDM-000214 | ARST-ND-000120 | SV-255949r960840_rule | 2025-02-20 | 2 |
| 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. |
| ℹ️ Check |
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| 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 |
|---|
| Configure the account lockout policy using the following commands: switch(config)#aaa authentication policy lockout failure 3 switch(config)#duration 900 switch(config)#exit |