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   curl    ( 1 )

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PROXY PROTOCOL PREFIXES

Since curl version 7.21.7, the proxy string may be specified with a protocol:// prefix to specify alternative proxy protocols.

If no protocol is specified in the proxy string or if the string doesn't match a supported one, the proxy will be treated as an HTTP proxy.

The supported proxy protocol prefixes are as follows:

http:// Makes it use it as an HTTP proxy. The default if no scheme prefix is used.

https:// Makes it treated as an HTTPS proxy.

socks4:// Makes it the equivalent of --socks4

socks4a:// Makes it the equivalent of --socks4a

socks5:// Makes it the equivalent of --socks5

socks5h:// Makes it the equivalent of --socks5-hostname