The FortiGate device must enforce the limit of three consecutive invalid logon attempts, after which time it must lock out the user account from accessing the device for 15 minutes.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-234168FGFW-ND-000045SV-234168r879546_ruleCCI-000044medium
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.
STIGDate
Fortinet FortiGate Firewall NDM Security Technical Implementation Guide2023-06-01

Related Frameworks

3 paths across 3 frameworks
NIST 800-531 mapping
AC-7
1.00
  • DISA · 1 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.1.8
1.00
  • DISA · 1 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
  • NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-000044
1.00
  • DISA · 1 · disa_xccdf · related

Details

Check Text (C-234168r879546_chk)

Log in to the FortiGate GUI with Super-Admin privilege. 1. Open a CLI console, via SSH or available from the GUI. 2. Confirm the output from the following command: # show full-configuration system global | grep -i admin-lockout The output should be: set admin-lockout-duration 900 set admin-lockout-threshold 3 If the admin-lockout-duration is not set to 900 and admin-lockout-threshold is not set to 3, this is a finding.

Fix Text (F-37318r611692_fix)

Log in to the FortiGate GUI with Super-Admin privilege. 1. Open a CLI console, via SSH or available from the GUI. 2. Run the following commands: # config system global # set admin-lockout-duration 900 # set admin-lockout-threshold 3 # end