V-254473
CAT IIWindows Server 2022 Kerberos encryption types must be configured to prevent the use of DES and RC4 encryption suites.
- Ships Affected
- 1
- Total Findings
- 1
- Open
- 0
- Closed
- 1
Check Text
If the following registry value does not exist or is not configured as specified, this is a finding:
Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\Kerberos\Parameters\
Value Name: SupportedEncryptionTypes
Value Type: REG_DWORD
Value: 0x7ffffff8 (2147483640)
Fix Text
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Network security: Configure encryption types allowed for Kerberos to "Enabled" with only the following selected:
AES128_HMAC_SHA1
AES256_HMAC_SHA1
Future encryption types
Note: Organizations with domain controllers running earlier versions of Windows where RC4 encryption is enabled, selecting "The other domain supports Kerberos AES Encryption" on domain trusts, may be required to allow client communication across the trust relationship.
STIG Reference
- STIG
- Microsoft Windows Server 2022 Security Technical Implementation Guide
- Version
- 2
- Release
- 8
- Rule ID
- SV-254473r971535_rule
All Occurrences
This vulnerability appears on 1 ship(s)
| Ship | Hull # | Source File | Status | Assigned To | Scan Date | Actions |
|---|---|---|---|---|---|---|
| LAB BASELINES | BASELINE | SCHR-P3-DP-001_WinServer2022_V2R7_20260305-133436.cklb | Unassigned | 2026-03-05T13:34:36 | View in Context |