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

Exchange must provide redundancy.

DISA Rule

SV-221259r612603_rule

Vulnerability Number

V-221259

Group Title

SRG-APP-000435

Rule Version

EX16-ED-000660

Severity

CAT I

CCI(s)

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

Weight

10

Fix Recommendation

Update the EDSP to reflect the Exchange servers used for redundancy.

Configure two or more Edge servers for load balancing.

Check Contents

Review the Email Domain Security Plan (EDSP).

Determine if the Exchange servers are using redundancy by entering the following command:

Get-TransportService | select FL

If the value returned is not at least two Edge servers, this is a finding.

Vulnerability Number

V-221259

Documentable

False

Rule Version

EX16-ED-000660

Severity Override Guidance

Review the Email Domain Security Plan (EDSP).

Determine if the Exchange servers are using redundancy by entering the following command:

Get-TransportService | select FL

If the value returned is not at least two Edge servers, this is a finding.

Check Content Reference

M

Target Key

4079

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