Help Center> Elastic Load Balance> FAQ> Obtaining Source IP Addresses> How Can an EIP Bound to a Load Balancer Be Transmitted to Backend Servers?

How Can an EIP Bound to a Load Balancer Be Transmitted to Backend Servers?

When you add an HTTPS or HTTP listener, enable the Obtain Load Balancer EIP option to store the EIP bound to the load balancer in the HTTP header and transmit it to backend servers. For details, see Obtaining the Load Balancer EIP.