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Day 15: Configuring Firewall for Backup Utility Web UI

Task

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 5004, and firewalld is active on the server.

Specifications:

  • Allow all incoming connections on port 5004/tcp.
  • Ensure the zone is set to public.

Steps:

  1. Log in to Backup Server: 
    ssh your_username@backup_server_ip
  2. Allow Incoming Connections on Port 5004/tcp: 
    sudo firewall-cmd --zone=public --add-port=5004/tcp --permanent
  3. Reload the Firewall to Apply Changes: 
    sudo firewall-cmd --reload
  4. Verify the Port is Allowed: 
    sudo firewall-cmd --zone=public --list-ports
  5. Command Explanation: 
    ssh your_username@backup_server_ip: Log in to the backup server.
sudo firewall-cmd --zone=public --add-port=5004/tcp --permanent: Allow incoming connections on port 5004/tcp within the public zone.
sudo firewall-cmd --reload: Reload the firewall to apply the changes.
sudo firewall-cmd --zone=public --list-ports: Verify that port 5004/tcp is allowed in the public zone.