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- c: Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
- SPDX-License-Identifier: curl
- Long: connect-to
- Arg: <HOST1:PORT1:HOST2:PORT2>
- Help: Connect to host
- Added: 7.49.0
- See-also: resolve header
- Category: connection
- Example: --connect-to example.com:443:example.net:8443 $URL
- ---
- For a request to the given HOST1:PORT1 pair, connect to HOST2:PORT2 instead.
- This option is suitable to direct requests at a specific server, e.g. at a
- specific cluster node in a cluster of servers. This option is only used to
- establish the network connection. It does NOT affect the hostname/port that is
- used for TLS/SSL (e.g. SNI, certificate verification) or for the application
- protocols. "HOST1" and "PORT1" may be the empty string, meaning "any
- host/port". "HOST2" and "PORT2" may also be the empty string, meaning "use the
- request's original host/port".
- A "host" specified to this option is compared as a string, so it needs to
- match the name used in request URL. It can be either numerical such as
- "127.0.0.1" or the full host name such as "example.org".
- This option can be used many times to add many connect rules.
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