If a server administrator accidentally leaves this feature turned on in a sensitive folder, anyone on the internet can see the file structure. When you search for intitle:"index of" password.txt , you are specifically looking for servers that have accidentally exposed a text file that likely contains credentials. Why Do People Search for This?
: Searches for the specific text found in the title bar of directory listings (e.g., Apache or Nginx auto-indexed folders). i+index+of+password+txt+best
Or for a specific pattern: