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

Exchange internal Send connectors must use an authentication level.

DISA Rule

SV-259639r961620_rule

Vulnerability Number

V-259639

Group Title

SRG-APP-000435

Rule Version

EX19-ED-000232

Severity

CAT II

CCI(s)

• CCI-002385 - Protect against or limit the effects of organization-defined types of denial of service events.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

Set-SendConnector -Identity <'IdentityName'> -TlsAuthLevel DomainValidation

Check Contents

Open the Exchange Management Shell and enter the following command:

Get-SendConnector | Select-Object -Property Name, Identity, TlsAuthLevel

If the value of "TlsAuthLevel" is not set to "DomainValidation", this is a finding.

Vulnerability Number

V-259639

Documentable

False

Rule Version

EX19-ED-000232

Severity Override Guidance

Open the Exchange Management Shell and enter the following command:

Get-SendConnector | Select-Object -Property Name, Identity, TlsAuthLevel

If the value of "TlsAuthLevel" is not set to "DomainValidation", this is a finding.

Check Content Reference

M

Target Key

5579