function f_disablenet {
  echo "[$SCRIPT_COUNT] Disable misc network protocols"

  local NET
  NET="dccp sctp rds tipc"
  for disable in $NET; do
    if ! grep -q "$disable" "$DISABLENET" 2> /dev/null; then
      echo "install $disable /bin/true" >> "$DISABLENET"
    fi
  done

  ((SCRIPT_COUNT++))
}