Proxy settings

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A proxy is "an interface for a service, especially for one that is remote, resource-intensive, or otherwise difficult to use directly". Source: Proxy - Wiktionary.

Environment variables

Some programs (like wget) use environment variables of the form "protocol_proxy" to determine the proxy for a given protocol (e.g. HTTP, FTP, ...).

Below is an example on how to set these variables in a shell:

export http_proxy


libproxy (which is available in the extra repository) is an abstraction library which should be used by all applications that want to access a network resource. It still is in development but could lead to a unified and automated handling of proxies in GNU/Linux if widely adopted.

It is already required by libsoup.