Step 4.2 in this guide: https://apim.docs.wso2.com/en/latest/install-and-setup/setup/setting-up-proxy-server-and-the-load-balancer/configuring-the-proxy-server-and-the-load-balancer/#step-4-configure-the-dynamic-callback-origin
Default value of "forwardedHeader"
is "X-Forwarded-For"
, need change to "X-Forwarded-Host"