can't execute function using domain

The issue is not just with getting an SSL cert from CF. It’s the weird way CF handles domains which aren’t the primary one on the Tunnel

Universal certificates are invalid on multi-level, that's the main issue

Or probably to be more precise, it’s about the weird way CF handles proxying the Tunnel at all (weird if you’re coming from pretty much any other reverse-proxy solution)

If that were the only issue, it would work fine if you used HTTP without SSL, wouldn’t it?

Or just clicked though the invalid cert warnings

the entire proxy will not work

And why shouldn’t it?

Because that's just how CF works, why are you asking me, i don't work there

And if I tell you it does?

CF Tunnels work fine without SSL

The issue here isn’t the SSL at all.

So you are saying a normal multi-level domain works in any way? You just made a breakthrough nobody ever made. I guess their $10 a month is just a scam, because all the issues don't exist.

Yes. They charge for wildcard SSL certificates, not for using CF Tunnels on third-level domains

You still need a domain to connect to, which is the entire point, correct?

Not sure what you mean by this?

I barely work with cfd, you make a tunnel and then what? how do you connect to appwrite?

You install cloudflared on your Appwrite server, and then configure CF to proxy to there in the Zero Trust dashboard

No, they don't work in "any way". I think you completely misunderstood of the entire topic and message. If the answer was "yes", the wildcard certificates costs wouldn't be needed, lol.

Oh, and yes, the regular CF DNS proxy service also works fine on whatever level you want, as long as you don’t need an SSL certificate from Cloudflare

Did you test this?

Yes

Specifically on multi level?

I ran my Appwrite server like this for about a year, before switching to my own selfhosted Traefik proxy

Yes. With autogenerated Function domains on *.functions.[MY_APPWRITE_DOMAIN]