Document toolboxDocument toolbox

Configure the Firewall

  1. Enable and start firewalld

    systemctl enable firewalld
    systemctl start firewalld
  2. Allow SSH (22)

     firewall-cmd --zone=public --add-service=ssh --permanent
  3. Allow http (80)

     firewall-cmd --zone=public --add-service=http --permanent
  4. Allow https (443)

    firewall-cmd --zone=public --add-service=https --permanent
  5. Allow smtp (25)

    firewall-cmd --zone=public --add-service=smtp --permanent
  6. Optionally allow MySQL

    firewall-cmd --zone=public --add-port=3306/tcp --permanent
  7. Reload the firewall configuration

    firewall-cmd --reload

Help Desk Portal - Email: help@pcr.com - Phone: 616.259.9242