1 Long: proto-default
2 Help: Use PROTOCOL for any URL missing a scheme
3 Arg: <protocol>
4 Added: 7.45.0
5 ---
6 Tells curl to use \fIprotocol\fP for any URL missing a scheme name.
7 
8 Example:
9 
10  curl --proto-default https ftp.mozilla.org
11 
12 An unknown or unsupported protocol causes error
13 \fICURLE_UNSUPPORTED_PROTOCOL\fP (1).
14 
15 This option does not change the default proxy protocol (http).
16 
17 Without this option curl would make a guess based on the host, see --url for
18 details.
19