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How can I set up "curl" to permanently use a proxy server in the terminal?
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To use a proxy with Curl, you must pass the required proxy address using the -x (or --proxy) command-line option and proxy credentials using the -U (or --proxy-user) command-line switch. Proxy credentials may also be passed in the proxy string and will be URL decoded by Curl.
Set up proxy permanently using /etc/profile.Replace http_proxy with https_proxy in the export argument to enable proxy over SSL/TLS. This information will be provided by the Network Team who have provided the proxy server related details.
The client curl (naturally) uses the library libcurl under the hood. libcurl respects the proxy environment variables named http_proxy, ftp_proxy, sftp_proxy etc. If set, libcurl will use the specified proxy for that URL scheme.
You can make a alias in your ~/.bashrc file :
alias curl="curl -x <proxy_host>:<proxy_port>"
Another solution is to use (maybe the better solution) the ~/.curlrc file (create it if it does not exist) :
proxy = <proxy_host>:<proxy_port>
Many UNIX programs respect the http_proxy environment variable, curl included. The format curl accepts is [protocol://]<host>[:port].
In your shell configuration:
export http_proxy http://proxy.server.com:3128
For proxying HTTPS requests, set https_proxy as well.
Curl also allows you to set this in your .curlrc file (_curlrc on Windows), which you might consider more permanent:
http_proxy=http://proxy.server.com:3128
Curl will look for a .curlrc file in your home folder when it starts. You can create (or edit) this file and add this line:
proxy = yourproxy.com:8080
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