Publishing to a Web Distributed and Authoring (DAV) server must be prevented.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-228430 | DTOO217 | SV-228430r508021_rule | CCI-000366 | medium |
| Description | ||||
| This policy setting controls whether Outlook users can publish their calendars to a DAV server. If you enable this policy setting, Outlook users cannot publish their calendars to a DAV server. If you disable or do not configure this policy setting, Outlook users can share their calendars with others by publishing them to a server that supports the World Wide Web Distributed Authoring and Versioning (WebDAV) protocol. | ||||
| STIG | Date | |||
| Microsoft Outlook 2016 Security Technical Implementation Guide | 2022-03-11 | |||
Details
Check Text (C-228430r508021_chk)
Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Outlook Options -> Preferences -> Calendar Options -> Office.com Sharing Service "Prevent publishing to a DAV server" is set to "Enabled".
Procedure: Use the Windows Registry Editor to navigate to the following key:
HKCU\Software\Policies\Microsoft\Office\16.0\outlook\options\pubcal
Criteria: If the value DisableDav is REG_DWORD = 1, this is not a finding.
Fix Text (F-30648r497613_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Outlook Options -> Preferences -> Calendar Options -> Office.com Sharing Service "Prevent publishing to a DAV server" to "Enabled".