I use a TOR proxy, it requires a little more knowledge.

Have a docker container running TOR as SOCKS/HTTP proxy.

NAME       CPU %     MEM USAGE
torproxy   0.07%     46.78MiB

Added SOCKS proxy to Prowlarr. Added a tag to this proxy.

Create/modify indexer with TOR/Onion domain, with proxy tag.

I have that for 1337x and BTdig.

Instead of connecting to 1337x.to wich requires CloudFlare, it connects to l337xdarkkaqfwzntnfk5bmoaroivtl6xsbatabvlb52umg6v3ch44yd.onion via TOR proxy.

Also i can use that TOR proxy for other containers/software.

HOW TO:

1. Use a TOR proxy docker container.

• https://github.com/PeterDaveHello/tor-socks-proxy
• https://github.com/shahradelahi/docker-torproxy

2. Add TOR proxy to Prowlarr (Settings -> Indexers), with a tag (ex: TOR)
3. Create a new Prowlarr indexer

• Copy indexer from prowlarr/Definitions to prowlarr/Definitions/Custom (ex: 1337x.yml)
• Change the indexer URL and ID/Name

id: 1337x-TOR
name: 1337x-TOR
...
links:
    - http://l337xdarkkaqfwzntnfk5bmoaroivtl6xsbatabvlb52umg6v3ch44yd.onion/
...

4. Restart Prowlarr
5. Add indexer (1337x-TOR) with Base URL .onion URL and with tag from TOR proxy (ex: TOR).

Other onion torrent sites:

• TorrentGalaxy: http://galaxy3yrfbwlwo72q3v2wlyjinqr2vejgpkxb22ll5pcpuaxlnqjiid.onion/
• btdig: http://btdigggink2pdqzqrik3blmqemsbntpzwxottujilcdjfz56jumzfsyd.onion/