Lynis Security Controls

PRNT-2308 - CUPS network configuration


Depending on the usage of the CUPS daemon, listening on the network should be limited. If the daemon is used a local spooler, it should be configured to listen on localhost only.



How to solve

Adjust the line stating "Listen" in the cupsd.conf file. Alter it so it only listens on the localhost interface, if appropriate. Listen localhost:631

Perform daily health checks of your environment, learn in-depth system hardening, and protect your systems better.

Upgrade to Lynis Enterprise

Linux and Unix System Hardening

This information is provided as part of the Lynis community project. It is related to Lynis control PRNT-2308. All information should be considered as-is, without guarantees. Any advice or snippets should be tested before implementing in production environments.


Lynis is a technical security audit tool for Unix flavors like Linux, macOS, AIX, Solaris, and *BSD. It is open source software and free to use. The project has an active community, including open development via GitHub.

Lynis Enterprise

Need more advanced features, like vulnerability scanning, or reporting installed software packages? Lynis Enterprise will collect more data and present it with an easy to use web interface.

Gain additional benefits: automating security audits, reporting, and the implementation of related security measures.

Lynis Enterprise includes
  • Centralized management
  • Prioritized plans
  • Reporting
  • Dashboards
  • Integration (API)
  • Improvement snippets for tools like Ansible, Chef, Cfengine, Puppet, and SaltStack

Take the Tour