Index Of Parent Directory -

While any directory listing is bad, the link is the scariest part of the page.

At its core, an "Index of" page is an .

The Unintentional Peek: Understanding "Index of /" and the Parent Directory index of parent directory

This tells the server not to generate a list if the index file is missing. While any directory listing is bad, the link

A proper review of directory indexing focuses on balancing convenience against information disclosure: Security Risk While any directory listing is bad

If the server finds index.html , it will show that page. If it does not, and Indexes is on, it shows the "Index of" page.