1. Log on to the Anti-DDoS Pro console.
  2. Go to Access > Non-Web Service, and then select the Anti-DDoS Pro instance and IP.

  3. Click Add one rule.
  4. Select a protocol type under Forwarding protocol/port, and input the forwarding port.

  5. Input Original site port and Original site IP. Use commas to separate multiple origin IP addresses.
    • UDP port 53 and TCP port 80 are not supported.
    • Up to 50 layer-4 forwarding rules can be added to the list.
    • Up to 20 origin IP addresses can be added to a layer-4 forwarding rule.
  6. Click OK. A new rule entry will be added to the list.