STIGQter: STIG Summary: MS Exchange 2013 Edge Transport Server Security Technical Implementation Guide Version: 1 Release: 5 Benchmark Date: 26 Apr 2019:

Exchange Receive connectors must control the number of recipients chunked on a single message.

DISA Rule

SV-84461r1_rule

Vulnerability Number

V-69839

Group Title

SRG-APP-000247

Rule Version

EX13-EG-000145

Severity

CAT III

CCI(s)

• CCI-001095 - The information system manages excess capacity, bandwidth, or other redundancy to limit the effects of information flooding types of denial of service attacks.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

Set-ReceiveConnector -Identity <'IdentityName'> -ChunkingEnabled $true

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

Repeat the procedure for each Receive connector.

Check Contents

Open the Exchange Management Shell and enter the following command:

Get-ReceiveConnector | Select Name, Identity, ChunkingEnabled

For each Receive connector, if the value of ChunkingEnabled is not set to True, this is a finding.

Vulnerability Number

V-69839

Documentable

False

Rule Version

EX13-EG-000145

Severity Override Guidance

Open the Exchange Management Shell and enter the following command:

Get-ReceiveConnector | Select Name, Identity, ChunkingEnabled

For each Receive connector, if the value of ChunkingEnabled is not set to True, this is a finding.

Check Content Reference

M

Target Key

3099

Comments