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Managing the Firewall on RHEL 8

A key part of Linux security is the firewall, so it's important that system administrators understand how to configure, and use it. In this hands-on lab, we will configure firewall settings using firewall-cmd/firewalld on RHEL 8. *This course is not approved or sponsored by Red Hat.*

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Lab Info
Level
Intermediate
Last updated
Sep 23, 2025
Duration
15m

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Table of Contents
  1. Challenge

    Configure Web Server Settings
    1. Check if Web Services are installed.
    2. Install and configure persistency of the httpd package.
    3. Customize the index.html file and test local access.
    4. Test external browser access to the test page.
  2. Challenge

    Configure the Firewall and Restrict Network Access Using `firewall-cmd/firewalld`
    1. Test for firewalld installation.
    2. Install firewalld and set it's persistency.
    3. identify and fix a security issue.
    4. Test external browser access.
    5. Configure rules to allow external browser requests and confirm access.
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