The Photon operating system must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-239148	PHTN-67-000077	SV-239148r675252_rule		Medium

Description
Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain access to an account.

STIG	Date
VMware vSphere 6.7 Photon OS Security Technical Implementation Guide	2022-01-03

Details

Check Text ( C-42359r675250_chk )
At the command line, execute the following command: # grep pam_faildelay /etc/pam.d/system-auth|grep --color=always "delay=" Expected result: auth      optional    pam_faildelay.so  delay=4000000 If the output does not match the expected result, this is a finding.

Fix Text (F-42318r675251_fix)
Open /etc/pam.d/system-auth with a text editor. Remove any existing "pam_faildelay" line and add the following line at the end of the file: auth      optional    pam_faildelay.so  delay=4000000