1 Long: haproxy-protocol 2 Help: Send HAProxy PROXY protocol v1 header 3 Protocols: HTTP 4 Added: 7.60.0 5 --- 6 Send a HAProxy PROXY protocol v1 header at the beginning of the connection. This 7 is used by some load balancers and reverse proxies to indicate the client's 8 true IP address and port. 9 10 This option is primarily useful when sending test requests to a service that 11 expects this header. 12