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Long: proto-redir
Arg: <protocols>
Help: Enable/disable PROTOCOLS on redirect
Added: 7.20.2
Category: connection curl
---
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 will allow HTTP, HTTPS, FTP and FTPS on redirect (7.65.2).
Older versions of curl allowed all protocols on redirect except several
disabled for security reasons: Since 7.19.4 FILE and SCP are disabled, and
since 7.40.0 SMB and SMBS are also disabled. Specifying \fIall\fP or \fI+all\fP
enables all protocols on redirect, including those disabled for security.
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