'can use Cloudflare Tunnel.'
- Most secure way to run Nextcloud?
since cloudflare posted they are going to spy on things they connect to and send info to men with guns about what they see, [1] I would not put them in a list of 'most secure' anything.
[1] along with helping govt's create legislature to encourage and allow more of the same... https://blog.cloudflare.com/terminating-service-for-8chan/
its a longish ramble - but you can ctrl-f "us cooperating around monitoring potential hate sites on our network and notifying law enforcement"