STIGQter: STIG Summary: Microsoft Exchange 2019 Edge Server Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 30 Jan 2025:

The Exchange tarpitting interval must be set.

DISA Rule

SV-259621r961161_rule

Vulnerability Number

V-259621

Group Title

SRG-APP-000261

Rule Version

EX19-ED-000135

Severity

CAT II

CCI(s)

• CCI-001308 - Automatically update spam protection mechanisms on an organization-defined frequency.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

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

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

Repeat the procedures for each Receive connector.

Check Contents

Open the Exchange Management Shell and enter the following command:

Get-ReceiveConnector | Select Name, Identity, TarpitInterval

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

Note: The default value for "TarpitInterval" is "00:00:05".

Vulnerability Number

V-259621

Documentable

False

Rule Version

EX19-ED-000135

Severity Override Guidance

Open the Exchange Management Shell and enter the following command:

Get-ReceiveConnector | Select Name, Identity, TarpitInterval

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

Note: The default value for "TarpitInterval" is "00:00:05".

Check Content Reference

M

Target Key

5579