Details

By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced.

NOTE: Nessus has not performed this check. Please review the benchmark to ensure target compliance.

Solution

Configure the BIG-IP appliance to use an approved remote authentication server to enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period.

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_F5_BIG-IP_11-x_Y20M10_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Access Control.This control applies to the following type of system F5.

References

• 800-53|AC-7a.
• CAT|II
• CCI|CCI-000044
• Rule-ID|SV-217388r557520_rule
• STIG-ID|F5BI-DM-000031
• STIG-Legacy|SV-74543
• STIG-Legacy|V-60113
• Vuln-ID|V-217388

Source

• Tenable.com/audits