STIGQter: STIG Summary: Microsoft Exchange 2013 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 22 Jan 2021:

Exchange internal Receive connectors must require encryption.

DISA Rule

SV-207288r615936_rule

Vulnerability Number

V-207288

Group Title

SRG-APP-000219

Rule Version

EX13-MB-000110

Severity

CAT II

CCI(s)

• CCI-001184 - The information system protects the authenticity of communications sessions.

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 quotes.

Repeat the procedures 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-207288

Documentable

False

Rule Version

EX13-MB-000110

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

2923

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