Anti-DDoS:ConfigLayer4RulePolicy

The port forwarding rule that you want to manage.

This parameter is a string that consists of JSON arrays. Each element in a JSON array indicates a port forwarding rule. You can perform this operation only on one port forwarding rule at a time.

Each port forwarding rule contains the following fields:

• InstanceId: the ID of the instance. This field is required and must be of the STRING type.

• Protocol: the forwarding protocol. This field is required and must be of the STRING type. Valid values: tcp and udp.

• FrontendPort: the forwarding port. This field is required and must be of the INTEGER type.

• BackendPort: the port of the origin server. This field is required and must be of the INTEGER type.

• PriRealServers: the IP addresses of the primary origin server. This field is required and must be a JSON array. Each element in a JSON array indicates an IP address of the primary origin server. You can configure a maximum of 20 IP addresses.

  Each element in the JSON array contains the following field:

  • RealServer: the IP address of the primary origin server. This field is required and must be of the STRING type.

• SecRealServers: the IP addresses of the secondary origin server. This field is required and must be a JSON array. Each element in a JSON array indicates an IP address of the secondary origin server. You can configure a maximum of 20 IP addresses.

  Each element in the JSON array contains the following field:

  • RealServer: the IP address of the secondary origin server. This field is required and must be of the STRING type.

• CurrentRsIndex: the origin server that you want to use to receive service traffic. This field is required and must be of the INTEGER type. Valid values:

  • 1: the primary origin server, which indicates that Anti-DDoS Pro or Anti-DDoS Premium forwards service traffic to the IP addresses of the primary origin server.
  • 2: the secondary origin server, which indicates that Anti-DDoS Pro or Anti-DDoS Premium forwards service traffic to the IP addresses of the secondary origin server.