1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Long: haproxy-protocol 5Help: Send HAProxy PROXY protocol v1 header 6Protocols: HTTP 7Added: 7.60.0 8Category: http proxy 9Multi: boolean 10See-also: 11 - proxy 12Example: 13 - --haproxy-protocol $URL 14--- 15 16# `--haproxy-protocol` 17 18Send a HAProxy PROXY protocol v1 header at the beginning of the 19connection. This is used by some load balancers and reverse proxies to 20indicate the client's true IP address and port. 21 22This option is primarily useful when sending test requests to a service that 23expects this header. 24