This image shows the "Select file or directory" dialog box. 

The "Location" drop-down list shows "HTTP(S)". 
The "Use file as link to list of files" checkbox is selected. 
The "URI" drop-down list shows the following partial http location (highlighted): 
"http://blurred:17777/list_of_file.txt" 


There are two buttons: Select (highlighted) and Cancel.