STIGQter STIGQter: STIG Summary: Microsoft Exchange 2016 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

Exchange internal Receive connectors must require encryption.

DISA Rule

SV-228375r612748_rule

Vulnerability Number

V-228375

Group Title

SRG-APP-000219

Rule Version

EX16-MB-000220

Severity

CAT II

CCI(s)

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 procedures for each Receive connector.

Check Contents

Note: AuthMechanism may include other mechanisms as long as the "Tls" is identified.

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-228375

Documentable

False

Rule Version

EX16-MB-000220

Severity Override Guidance

Note: AuthMechanism may include other mechanisms as long as the "Tls" is identified.

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

4223

Comments