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

Exchange Outbound Connection Timeout must be 10 minutes or less.

DISA Rule

SV-84441r1_rule

Vulnerability Number

V-69819

Group Title

SRG-APP-000247

Rule Version

EX13-EG-000095

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Update the EDSP.

Open the Exchange Management Shell and enter the following command:

Set-SendConnector -Identity <'IdentityName'> -ConnectionInactivityTimeOut 00:10:00

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

or

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

Repeat the procedure for each Send connector.

Check Contents

Review the Email Domain Security Plan (EDSP).

Determine the Connection Timeout value.

Open the Exchange Management Shell and enter the following command:

Get-SendConnector | Select Name, Identity, ConnectionInactivityTimeOut

For each Send connector, if the value of ConnectionInactivityTimeOut is not set to 00:10:00, this is a finding.

or

If ConnectionInactivityTimeOut is set to other than 00:10:00 and has signoff and risk acceptance in the EDSP, this is not a finding.

Vulnerability Number

V-69819

Documentable

False

Rule Version

EX13-EG-000095

Severity Override Guidance

Review the Email Domain Security Plan (EDSP).

Determine the Connection Timeout value.

Open the Exchange Management Shell and enter the following command:

Get-SendConnector | Select Name, Identity, ConnectionInactivityTimeOut

For each Send connector, if the value of ConnectionInactivityTimeOut is not set to 00:10:00, this is a finding.

or

If ConnectionInactivityTimeOut is set to other than 00:10:00 and has signoff and risk acceptance in the EDSP, this is not a finding.

Check Content Reference

M

Target Key

3099

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