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XCCDF
Guide to the Secure Configuration of Red Hat Enterprise Linux 8
Services
Print Support
Configure the CUPS Service if Necessary
Disable Print Server Capabilities
Disable Print Server Capabilities
An XCCDF Rule
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Disable Print Server Capabilities
Unknown Severity
To prevent remote users from potentially connecting to and using locally configured printers, disable the CUPS print server sharing capabilities. To do so, limit how the server will listen for print jobs by removing the more generic port directive from /etc/cups/cupsd.conf:
Port 631
and replacing it with the
Listen
directive:
Listen localhost:631
This will prevent remote users from printing to locally configured printers while still allowing local users on the system to print normally.