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

Exchange must limit the Receive connector timeout.

DISA Rule

SV-221202r612603_rule

Vulnerability Number

V-221202

Group Title

SRG-APP-000001

Rule Version

EX16-ED-000010

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Update the EDSP, or the applicable documentation.

Open the Exchange Management Shell and enter the following command:

Set-ReceiveConnector -Identity <'IdentityName'> -ConnectionTimeout 00:05:00

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

or

The value as identified by the EDSP that has obtained a signoff with risk acceptance.

Repeat the procedures for each Receive connector.

Check Contents

Review the Email Domain Security Plan (EDSP), or Organizations applicable documentation.

Determine the connection Timeout value.

Open the Exchange Management Shell and enter the following command:

Get-ReceiveConnector | Select Name, Identity, ConnectionTimeout

For each Receive connector, if the value of "ConnectionTimeout" is not set to "00:05:00", this is a finding.

or

If "ConnectionTimeout" is set to another value other than "00:05:00" and has signoff and risk acceptance in the EDSP, this is not a finding.

Vulnerability Number

V-221202

Documentable

False

Rule Version

EX16-ED-000010

Severity Override Guidance

Review the Email Domain Security Plan (EDSP), or Organizations applicable documentation.

Determine the connection Timeout value.

Open the Exchange Management Shell and enter the following command:

Get-ReceiveConnector | Select Name, Identity, ConnectionTimeout

For each Receive connector, if the value of "ConnectionTimeout" is not set to "00:05:00", this is a finding.

or

If "ConnectionTimeout" is set to another value other than "00:05:00" and has signoff and risk acceptance in the EDSP, this is not a finding.

Check Content Reference

M

Target Key

4079

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