Manual:$wgCopyUploadProxy

Files and file uploads: $wgCopyUploadProxy
HTTP proxy to use for copy upload requests.
Introduced in version:1.20.0 (Gerrit change 25605; git #74760579)
Removed in version:still in use
Allowed values:(string) or false
Default value:false

Details edit

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.

See also edit