STIGQter STIGQter: STIG Summary: VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 01 Jul 2026:

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

DISA Rule

SV-258854r991588_rule

Vulnerability Number

V-258854

Group Title

SRG-OS-000480-GPOS-00226

Rule Version

PHTN-40-000185

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Navigate to and open:

/etc/login.defs

Add or update the following line:

FAIL_DELAY 4

Check Contents

At the command line, run the following command to verify a four second delay is configured between logon attempts:

# grep '^FAIL_DELAY' /etc/login.defs

Example result:

FAIL_DELAY 4

If the "FAIL_DELAY" option is not set to 4 or more, is missing or commented out, this is a finding.

Vulnerability Number

V-258854

Documentable

False

Rule Version

PHTN-40-000185

Severity Override Guidance

At the command line, run the following command to verify a four second delay is configured between logon attempts:

# grep '^FAIL_DELAY' /etc/login.defs

Example result:

FAIL_DELAY 4

If the "FAIL_DELAY" option is not set to 4 or more, is missing or commented out, this is a finding.

Check Content Reference

M

Target Key

5569