From FCKeditor Docs

Init

This is the first command issued by CKFinder. It returns the general settings of the connector and all configured resource types.

Sample Request

connector.php?command=Init

Sample Response

<pre><?xml version="1.0" encoding="utf-8"?>
<Connector>
<Error number="0" />
<ConnectorInfo enabled="true" s="" c="" thumbsEnabled="true" />
<ResourceTypes>
<ResourceType name="Files" url="/ckfinder/userfiles/files/" allowedExtensions="" deniedExtensions="php,php3,php5,phtml,asp,aspx,ascx,jsp,cfm,cfc,pl,bat,exe,dll,reg,cgi" defaultView="Thumbnails" acl="255" />
<ResourceType name="Images" url="/ckfinder/userfiles/images/" allowedExtensions="jpg,gif,jpeg,png" deniedExtensions="" defaultView="Thumbnails" acl="255" />
<ResourceType name="Flash" url="/ckfinder/userfiles/flash/" allowedExtensions="swf,fla" deniedExtensions="" defaultView="Thumbnails" acl="255" />
</ResourceTypes>
</Connector>