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The SQL Server Browser service must be disabled if its use is not necessary..


Overview

Finding ID Version Rule ID IA Controls Severity
V-213898 SQL4-00-039100 SV-213898r401224_rule Low
Description
The SQL Server Browser simplifies the administration of SQL Server, particularly when multiple instances of SQL Server coexist on the same computer. It avoids the need to hard-assign port numbers to the instances and to set and maintain those port numbers in client systems. It enables administrators and authorized users to discover database management system instances, and the databases they support, over the network. This convenience also presents the possibility of unauthorized individuals gaining knowledge of the available SQL Server resources. Therefore, it is necessary to consider whether the SQL Server Browser is needed. Typically, if only a single instance is installed, using the default name (MSSQLSERVER) and port assignment (1433), the Browser is not adding any value. The more complex the installation, the more likely SQL Server Browser is to be helpful. This requirement is not intended to prohibit use of the Browser service in any circumstances; rather, it calls for administrators and management to consider whether the benefits of its use outweigh the potential negative consequences.
STIG Date
MS SQL Server 2014 Instance Security Technical Implementation Guide 2021-12-10

Details

Check Text ( C-15117r313045_chk )
If the need for the SQL Server Browser service is documented, with appropriate approval, this is not a finding.

Open the Services tool.

Either navigate, via the Windows Start Menu and/or Control Panel, to "Administrative Tools", and select "Services"; or at a command prompt, type "services.msc" and press the "Enter" key.

Scroll to "SQL Server Browser".

If its Startup Type is not shown as "Disabled", this is a finding.
Fix Text (F-15115r313046_fix)
If SQL Server Browser is needed, document the justification and obtain the appropriate approvals.

Where SQL Server Browser is judged unnecessary, in the Services tool, double-click on "SQL Server Browser" to open its "Properties" dialog.

Set Startup Type to "Disabled".

If Service Status is "Running", click on "Stop".

Click on "OK".