STIGQter: STIG Summary: MS Exchange 2013 Client Access Server Security Technical Implementation Guide Version: 1 Release: 3 Benchmark Date: 24 Jan 2020:

Exchange must have Forms-based Authentication disabled.

DISA Rule

SV-84341r2_rule

Vulnerability Number

V-69719

Group Title

SRG-APP-000014

Rule Version

EX13-CA-000015

Severity

CAT II

CCI(s)

• CCI-000068 - The information system implements cryptographic mechanisms to protect the confidentiality of remote access sessions.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

Set-OwaVirtualDirectory -Identity <'IdentityName'> -FormsAuthentication $false

Note <IdentityName> must be in quotes.

Example for the Identity Name: <ServerName>\owa (Default Web site)

Restart the ISS service.

Check Contents

Open the Exchange Management Shell and enter the following command:

Get-OwaVirtualDirectory | Select ServerName, Name, Identity, FormsAuthentication

If the value of FormsAuthentication is not set to False, this is a finding.

Vulnerability Number

V-69719

Documentable

False

Rule Version

EX13-CA-000015

Severity Override Guidance

Open the Exchange Management Shell and enter the following command:

Get-OwaVirtualDirectory | Select ServerName, Name, Identity, FormsAuthentication

If the value of FormsAuthentication is not set to False, this is a finding.

Check Content Reference

M

Target Key

3097

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