Web Application Firewall (WAF) - WAF V6.4.5.0 supports custom header fields that record the actual IP addresses of clients
Sep 18 2021
Web Application Firewall (WAF)Content
Target customers: users whose origin servers need to obtain the actual IP addresses of clients from custom header fields.
Help Document
https://www.alibabacloud.com/help/ecs/product-overview/what-is-ecs