STIGQter: STIG Summary: Microsoft Exchange 2016 Edge Transport Server Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 22 Jan 2021:

Exchange internal Receive connectors must require encryption.

DISA Rule

SV-221261r612603_rule

Vulnerability Number

V-221261

Group Title

SRG-APP-000439

Rule Version

EX16-ED-000680

Severity

CAT I

CCI(s)

• CCI-002418 - The information system protects the confidentiality and/or integrity of transmitted information.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

Set-ReceiveConnector -Identity <'IdentityName'> -AuthMechanism 'Tls'

Note: The <IdentityName> value must be in single quotes.

Repeat the process for each Receive connector.

Check Contents

Open the Exchange Management Shell and enter the following command:

Get-ReceiveConnector | Select Name, Identity, AuthMechanism

For each Receive connector, if the value of "AuthMechanism" is not set to "Tls", this is a finding.

Vulnerability Number

V-221261

Documentable

False

Rule Version

EX16-ED-000680

Severity Override Guidance

Open the Exchange Management Shell and enter the following command:

Get-ReceiveConnector | Select Name, Identity, AuthMechanism

For each Receive connector, if the value of "AuthMechanism" is not set to "Tls", this is a finding.

Check Content Reference

M

Target Key

4079

Comments