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- c: Copyright (C) 1998 - 2022, Daniel Stenberg, <[email protected]>, et al.
- SPDX-License-Identifier: curl
- Long: proxy
- Short: x
- Arg: [protocol://]host[:port]
- Help: Use this proxy
- Category: proxy
- Example: --proxy http://proxy.example $URL
- Added: 4.0
- See-also: socks5 proxy-basic
- ---
- Use the specified proxy.
- The proxy string can be specified with a protocol:// prefix. No protocol
- specified or http:// will be treated as HTTP proxy. Use socks4://, socks4a://,
- socks5:// or socks5h:// to request a specific SOCKS version to be used.
- (Added in 7.21.7)
- Unix domain sockets are supported for socks proxy. Set localhost for the host
- part. e.g. socks5h://localhost/path/to/socket.sock
- HTTPS proxy support via https:// protocol prefix was added in 7.52.0 for
- OpenSSL, GnuTLS and NSS.
- Unrecognized and unsupported proxy protocols cause an error since 7.52.0.
- Prior versions may ignore the protocol and use http:// instead.
- If the port number is not specified in the proxy string, it is assumed to be
- 1080.
- This option overrides existing environment variables that set the proxy to
- use. If there's an environment variable setting a proxy, you can set proxy to
- "" to override it.
- All operations that are performed over an HTTP proxy will transparently be
- converted to HTTP. It means that certain protocol specific operations might
- not be available. This is not the case if you can tunnel through the proxy, as
- one with the --proxytunnel option.
- User and password that might be provided in the proxy string are URL decoded
- by curl. This allows you to pass in special characters such as @ by using %40
- or pass in a colon with %3a.
- The proxy host can be specified the same way as the proxy environment
- variables, including the protocol prefix (http://) and the embedded user +
- password.
- If this option is used several times, the last one will be used.
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