Curl - Use a proxy server
by
Jeremy Canfield |
Updated: June 28 2022
| Curl articles
The curl command with the -x or --proxy option can be used to first forward the request onto a proxy server, and then the proxy server would forward the request onto the target server. In this example, the request is first sent to the proxy server at http://proxy.example.com.
curl --proxy http://proxy.example.com:80 www.example.com
If the proxy server requires basic authentication (username / password), and a valid username and password are not included in the request, something like this should be returned.
~]$ curl --proxy http://proxy.example.com:80 www.example.com
<title>407 Proxy Authentication Required</title>
</head><body>
<h1>Proxy Authentication Required</h1>
<p>This server could not verify that you
are authorized to access the document
requested. Either you supplied the wrong
credentials (e.g., bad password), or your
browser doesn't understand how to supply
the credentials required.</p><p></p>
</body></html>
Here is how you would include the username and password for the proxy server.
curl --proxy http://john.doe:itsasecret@proxy.example.com www.example.com
Or like this, using the --proxy-user option.
curl --proxy http://proxy.example.com:80 --proxy-user john.doe:itsasecret www.example.com
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