Log on to the Alibaba Cloud console.
Select Anti-DDoS Pro, and click Non-Web Service.
Select the Anti-DDoS Pro instance and IP.
Click Add one rule.
Select a protocol type under Forwarding protocol/port, and input the forwarding port.
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.
Click OK. A new rule entry will be added to the list.
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