is a de-facto standard HTTP header (formally defined in RFC 7239, though that RFC recommends Forwarded , XFF remains dominant). Its syntax is simple:
Apply this to the specific port (e.g., 80 or 443) of your Virtual Server (VIP). A10-ADC(config) # slb virtual-server MY_VIP_NAME 1.2.3.4 A10-ADC(config-slb vserver) # port 80 http A10-ADC(config-slb vserver-vport) # template http HTTP_XFF_TEMPLATE Use code with caution. Copied to clipboard Option 2: Using the WebUI Navigate to SLB > Templates > Application > HTTP or edit an existing template. Check the box for X-Forwarded-For a10 x-forwarded-for
: It helps in tracking user traffic patterns and troubleshooting application response issues by identifying unique visitors. Configuration Methods A10 devices offer two primary ways to handle XFF headers: is a de-facto standard HTTP header (formally defined
: It enables backend application servers to log the actual source IP of the client for auditing and security analysis. Copied to clipboard Option 2: Using the WebUI