Manual:$wgProxyScriptPath

This feature was removed completely in version 1.22.0.

HTTP proxy (CDN) settings: $wgProxyScriptPath
Script used to scan for proxies.
Introduced in version:	1.2.4
Removed in version:	1.22.0 (Gerrit change 87302; git #d7b953c2)
Allowed values:	Unspecified
Default value:	"$IP /maintenance/proxyCheck.php" (1.21) "$IP /maintenance/proxy_check.php" (1.18-1.20) "$IP /includes/proxy_check.php" (1.9-1.17) "$IP /proxy_check.php" (1.2.4-1.8)
Other settings: Alphabetical \| By function

Details edit

Script used to scan for proxies.