Apache web server allow directory browsing by default. It’s always good to disable directory browsing in security aspect.

To disable/prevent/forbid directory browsing/exploring using .htaccess:

• Open your .htaccess file or create it if it is not exist yet
• Look for Options Indexes command
• If Options Indexes exists modify it to Options -Indexes or else add Options -Indexes as a new line
• The directory browsing feature should be disable by now