c: Copyright (C) Daniel Stenberg, , et al. SPDX-License-Identifier: curl Long: ssl-auto-client-cert Help: Use auto client certificate (Schannel) Added: 7.77.0 See-also: proxy-ssl-auto-client-cert Category: tls Protocols: TLS Example: --ssl-auto-client-cert $URL Multi: boolean --- (Schannel) Tell libcurl to automatically locate and use a client certificate for authentication, when requested by the server. Since the server can request any certificate that supports client authentication in the OS certificate store it could be a privacy violation and unexpected.