Lab
A Cloud Guru

Working with SELinux Booleans and Ports

Beyond managing the context for each file and process on a server, SELinux also has expected configurations and port settings for most services we use. In this lab, we'll attempt to configure MariaDB on a non-standard port, then use SELinux tools to update our policy without rewriting it.

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Path Info

Level

Intermediate

Duration

15m

Published

Jun 23, 2023

Challenge

Update MariaDB Configuration

Update the MariaDB configuration at /etc/my.cnf.d/server.cnf to use port 3333.
Challenge

Add Port to SELinux

Use semanage to add a MariaDB port.
Challenge

Check and Potentially Change SELinux Boolean

View the mysql_connect_any boolean and then turn it on, if needed.

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.