Options -Indexes

RewriteEngine On
RewriteBase /

# Don't rewrite existing files/folders
RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]

# Short URL
RewriteRule ^([A-Za-z0-9_-]+)$ go.php?c=$1 [L,QSA]

# Security Headers
<IfModule mod_headers.c>
Header always set X-Frame-Options "SAMEORIGIN"
Header always set X-Content-Type-Options "nosniff"
Header always set Referrer-Policy "strict-origin-when-cross-origin"
Header always set Permissions-Policy "geolocation=(), microphone=(), camera=()"
</IfModule>

# Disable directory listing
Options All -Indexes