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Vulnerability V-228389

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V-228389

CAT III

The Exchange Outbound Connection Limit per Domain Count must be controlled.

Ships Affected
1
Total Findings
1
Open
1
Closed
0

Check Text

Review the Email Domain Security Plan (EDSP) or document that contains this information. Determine the value for Maximum Outbound Domain Connections. Open the Exchange Management Shell and enter the following command: Get-TransportService | Select Name, Identity, MaxPerDomainOutboundConnections If the value of "MaxPerDomainOutboundConnections" is not set to "20", this is a finding. or If "MaxPerDomainOutboundConnections" is set to a value other than "20" and has signoff and risk acceptance in the EDSP, this is not a finding.

Fix Text

Update the EDSP to specify the "MaxPerDomainOutboundConnection" value or verify that this information is documented by the organization. Open the Exchange Management Shell and enter the following command: Set-TransportService -Identity <'IdentityName'> -MaxPerDomainOutboundConnections 20 Note: The <IdentityName> value must be in single quotes. or Enter the value as identified by the EDSP that has obtained a signoff with risk acceptance.

STIG Reference

STIG
Microsoft Exchange 2016 Mailbox Server Security Technical Implementation Guide
Version
2
Release
6
Rule ID
SV-228389r879651_rule

All Occurrences

This vulnerability appears on 1 ship(s)

Ship Hull # Source File Status Assigned To Scan Date Actions
USNS MONTFORD POINT T-ESD-1 _Reviewed/MONT-MB-002/Checklist/MONT-MB-002_MSExchange2016MB_V2R6_20251023-152357.ckl
Unassigned 2026-01-14T12:57:33.455034 View in Context
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