c: Copyright (C) 1998 - 2022, Daniel Stenberg, , et al. SPDX-License-Identifier: curl Long: proxy-cacert Help: CA certificate to verify peer against for proxy Arg: Added: 7.52.0 See-also: proxy-capath cacert capath proxy Category: proxy tls Example: --proxy-cacert CA-file.txt -x https://proxy $URL --- Same as --cacert but used in HTTPS proxy context.