Check: ARST-ND-000120
Arista MLS EOS 4.2x NDM STIG:
ARST-ND-000120
(in version v1 r1)
Title
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. (Cat II impact)
Discussion
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.
Check Content
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
Configure the account lockout policy using the following commands: switch(config)#aaa authentication policy lockout failure 3 switch(config)#duration 900 switch(config)#exit
Additional Identifiers
Rule ID: SV-255949r882189_rule
Vulnerability ID: V-255949
Group Title: SRG-APP-000065-NDM-000214
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-000044 |
The information system enforces the organization-defined limit of consecutive invalid logon attempts by a user during the organization-defined time period. |
Controls
Number | Title |
---|---|
AC-7 |
Unsuccessful Logon Attempts |