Server Load Balancer (SLB) - Optimized custom HTTP headers available for ALB
Dec 31 2024
Server Load Balancer (SLB)ALB supports disabling X-Forwarded-For header customization and customizing the X-Forwarded-Host header.
Content
Feature description: By default, ALB processes the X-Forwarded-For header in requests. This feature can be disabled. With this feature enabled, ALB adds or removes the X-Forwarded-For header in requests before forwarding them to backend servers. With this feature disabled, ALB does not make any change to the X-Forwarded-For header in requests before forwarding them to backend servers. ALB supports customizing the X-Forwarded-Host header to preserve the client DNS name specified by Host in client requests.
Help Document
https://www.alibabacloud.com/help/slb/application-load-balancer/user-guide/http-headers