Trouble with Origin Rules

Using the free tier.

I have a site on port 8443 that works fine on Cloudflare proxy (orange cloud)

Origin has the Cloudflare cert installed.

I’d like the site to be accessed without specifying port, as in,

So set up Rules - Origin Rules:

But browser spins for a while and eventually fails, green - green - red.
A timeout occurred. Error code 524

Can still access fine.

Any ideas what I’m doing wrong?

Do you maybe have any other rules? Using custom ports is a bit funny in that some rules apply while some don’t.

Can you use to see if any rules apply to your request (without port) that might cause your problems?

Great idea, but alas.

I disabled all WAF rules just to eliminate any potential snags.

Then ran the trace. it showed a bunch of gray fields and eventually after some time, this:

Was never able to resolve this.

I ended up lowering the unprivileged port to 443 on my Ubuntu server so my non-root user’s program can bind to and listen on port 443. Then specified Full SSL/TLS mode in Cloudflare.

sysctl net.ipv4.ip_unprivileged_port_start=443

Now can reach the site with https and no extraneous port number needed in the URL.

Far from an ideal solution but have to live with it for now.

I have no idea why the problem occurs, but you could alternatively use a Cloudflare tunnel to connect to your system. That’s what I use for custom ports.

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