STIGQter STIGQter: STIG Summary: Microsoft Exchange 2016 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

Exchange must have anti-spam filtering enabled.

DISA Rule

SV-228394r612748_rule

Vulnerability Number

V-228394

Group Title

SRG-APP-000261

Rule Version

EX16-MB-000500

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Update the EDSP with the anti-spam mechanism used.

Open the Exchange Management Shell and enter the following command for any values that were not set to "True":

Set-ContentFilterConfig -Enabled $true

Set-SenderFilterConfig -Enabled $true

Set-SenderIDConfig -Enabled $true

Set-SenderReputationConfig -Enabled $true

Check Contents

Review the Email Domain Security Plan (EDSP).

Note: If using another DoD-approved anti-spam product for email or a DoD-approved email gateway spamming device, such as Enterprise Email Security Gateway (EEMSG), this is not applicable (NA).

Open the Exchange Management Shell and enter the following command:

Get-ContentFilterConfig | Format-Table Name,Enabled; Get-SenderFilterConfig | Format-Table Name,Enabled; Get-SenderIDConfig | Format-Table Name,Enabled; Get-SenderReputationConfig | Format-Table Name,Enabled

If any of the following values returned are not set to "True", this is a finding:

Set-ContentFilterConfig
Set-SenderFilterConfig
Set-SenderIDConfig
Set-SenderReputationConfig

Vulnerability Number

V-228394

Documentable

False

Rule Version

EX16-MB-000500

Severity Override Guidance

Review the Email Domain Security Plan (EDSP).

Note: If using another DoD-approved anti-spam product for email or a DoD-approved email gateway spamming device, such as Enterprise Email Security Gateway (EEMSG), this is not applicable (NA).

Open the Exchange Management Shell and enter the following command:

Get-ContentFilterConfig | Format-Table Name,Enabled; Get-SenderFilterConfig | Format-Table Name,Enabled; Get-SenderIDConfig | Format-Table Name,Enabled; Get-SenderReputationConfig | Format-Table Name,Enabled

If any of the following values returned are not set to "True", this is a finding:

Set-ContentFilterConfig
Set-SenderFilterConfig
Set-SenderIDConfig
Set-SenderReputationConfig

Check Content Reference

M

Target Key

4223

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