Details

Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communications can be intercepted and either read or altered.

Solution

Open the Exchange Management Shell and enter the following command:

Set-OWAVirtualDirectory -Identity ‘owa (Default Web Site)’ -ExternalUrl ‘https://URL’ -InternalUrl ‘https://URL’

Note: The owa (default web site) value must be in quotes.

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Exchange_2013_Y21M01_STIG.ziphttps://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Exchange_2013_Y21M01_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Windows.

References

• 800-53|SC-8
• CAT|I
• CCI|CCI-002418
• Rule-ID|SV-84397r2_rule
• STIG-ID|EX13-CA-000150
• Vuln-ID|V-69775

Source

• Tenable.com/audits