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Firewall Configuration.md

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Problem Statement

The Nautilus system admins team has rolled out a web UI application for their backup utility on the Nautilus backup server within the Stratos Datacenter. This application operates on port 8084, and firewalld is active on the server. To meet operational needs, the following requirements have been identified:

Allow all incoming connections on port 8084/tcp. Ensure the zone is set to public.

Solution

1. Connect to the Server

  1. SSH into the Server:

    ssh clint@stbkp01

  2. Switch to Root User:

    sudo su

2. Configure firewalld to Allow Port 8084

  1. Add Port 8084 to the Public Zone:

    firewall-cmd --add-port=8084/tcp --zone=public --permanent

  2. Reload firewalld to Apply Changes:

    sudo firewall-cmd --reload

3. Verify the Configuration

  1. Check the Open Ports in the Public Zone:

    sudo firewall-cmd --zone=public --list-ports

  2. Check the Active Zones:

    sudo firewall-cmd --get-active-zones