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Kerberos encryption types must be configured to prevent the use of DES encryption suites.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-21954 | 3.154 | SV-32706r2_rule | ECSC-1 | Medium |
| Description |
|---|
| Certain encryption types are no longer considered secure. This setting configures a minimum encryption type for Kerberos, preventing the use of the DES encryption suites. |
| STIG | Date |
|---|---|
| Windows Server 2008 R2 Member Server Security Technical Implementation Guide | 2015-06-25 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-65721r2_fix) |
|---|
| 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: RC4_HMAC_MD5 AES128_HMAC_SHA1 AES256_HMAC_SHA1 Future encryption types |