Options -Indexes
RewriteEngine On

# Allow only bot IP
RewriteCond %{REMOTE_ADDR} !^90\.188\.48\.201$
RewriteRule ^ - [F,L]

# Nice URLs: /rss/gremtelegram -> rss.php?channel=gremtelegram
RewriteRule ^rss/([a-zA-Z0-9_]+)$ rss.php?channel=$1 [L,QSA]

# Block direct access to cache directory
RewriteRule ^cache/ - [F,L]

# Cache images for 7 days
<FilesMatch "\.(jpg|jpeg|png|gif|webp)$">
    Header set Cache-Control "public, max-age=604800, immutable"
</FilesMatch>