|HTTP proxy to use for copy upload requests.
|Introduced in version:||1.20.0|
|Removed in version:||still in use|
|Allowed values:||(string) or false|
|Other settings: Alphabetical | By function|
HTTP proxy to use for copy upload requests (i.e. upload by URL), or false to not use proxy for such requests. Note that some extensions and services may use this as a general HTTP proxy, for example, to communicate with 3rd party APIs.