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The Kerberos policy user ticket renewal maximum lifetime must be limited to 7 days or less.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-2379 | WN12-AC-000013-DC | SV-51166r2_rule | ECSC-1 | Medium |
| Description |
|---|
| This setting determines the period of time (in days) during which a user's TGT may be renewed. This security configuration limits the amount of time an attacker has to crack the TGT and gain access. |
| STIG | Date |
|---|---|
| Windows Server 2012 / 2012 R2 Domain Controller Security Technical Implementation Guide | 2015-06-16 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-44324r1_fix) |
|---|
| Configure the policy value in the Default Domain Policy for Computer Configuration -> Policies -> Windows Settings -> Security Settings -> Account Policies -> Kerberos Policy -> "Maximum lifetime for user ticket renewal" to a maximum of 7 days or less. |