| Long: proto-redir | 
 | Arg: <protocols> | 
 | Help: Enable/disable PROTOCOLS on redirect | 
 | Added: 7.20.2 | 
 | --- | 
 | 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 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. |