config main 'config'
    option server ''
    option system_id ''
    option unit_id ''
    option unit_name ''
    option tls_verify '1'
    option backup_url 'https://backupd.nethesis.it'
    option repository_url 'https://updates.nethsecurity.nethserver.org'
    option channel ''
    option tun_mtu ''
    option mssfix ''
