title: KCFinder - upload image to another server
body: <p>I'm using KCFinder to upload images of my text field and i need save this images in another server. The directory where it is saved id automatcaly generated by de server where de img will be uploaded, but when i try to upload de img, i receive the "unknow error" error. My upload config is:</p>
  
  <pre><code>'uploadURL' =&gt; "http://server_ip/api_cms/uploads/kcfinder_".$_COOKIE['hash_UPLOADO2'],
  'uploadDir' =&gt; "upload",
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/Ji85d.png" rel="nofollow"><img src="https://i.stack.imgur.com/Ji85d.png" alt="enter image description here"></a></p>