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The Kerberos service ticket maximum lifetime must be limited to 600 minutes or less.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-2377 | WN12-AC-000011-DC | SV-51162r2_rule | ECSC-1 | Medium |
| Description |
|---|
| This setting determines the maximum amount of time (in minutes) that a granted session ticket can be used to access a particular service. Session tickets are used only to authenticate new connections with servers. Ongoing operations are not interrupted if the session ticket used to authenticate the connection expires during the connection. |
| STIG | Date |
|---|---|
| Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide | 2017-07-28 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-44319r1_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 service ticket" to a maximum of 600 minutes, but not 0 which equates to "Ticket doesn't expire". |