X-Forwarded-For (XFF)
An HTTP header containing the original client IP address and any intermediate proxy IPs. Format: X-Forwarded-For: client, proxy1, proxy2. Each proxy appends its predecessor's IP to the list.
An HTTP header containing the original client IP address and any intermediate proxy IPs. Format: X-Forwarded-For: client, proxy1, proxy2. Each proxy appends its predecessor's IP to the list.