--- c: Copyright (C) Daniel Stenberg, , et al. SPDX-License-Identifier: curl Long: proto-redir Arg: Help: Enable/disable PROTOCOLS on redirect Added: 7.20.2 Category: connection curl Multi: single See-also: - proto Example: - --proto-redir =http,https $URL --- # `--proto-redir` Tells curl to limit what protocols it may use on redirect. Protocols denied by --proto are not overridden by this option. See --proto for how protocols are represented. Example, allow only HTTP and HTTPS on redirect: curl --proto-redir -all,http,https http://example.com By default curl only allows HTTP, HTTPS, FTP and FTPS on redirects (added in 7.65.2). Specifying *all* or *+all* enables all protocols on redirects, which is not good for security.