Remote access stops working after starting iOS app

Server Version#: 1.32.3.7162
Player Version#: 8.20

My Plex server runs behind Nginx Reverse Proxy server and is accessible via URL. Remote access is available… until the app on any iPhone starts. Then remote access immediately stops. When I click on retry within settings>settings>remote access it starts again, until the iOS app starts. Has anyone any clue how to fix this problem? The web-app (version 4.100.1) is working right and doesn’t stop the remote access.

Regards,
Emile

The iPhone app is a client.
It also has a built-in ‘mini server’ (for those files you’ve downloaded to the phone).

First thing to come to mind is that they are both trying to use the same external port of your modem router.

This sounds like a simple configuration error between the two devices.

Thanks for the suggestion. I tried to add the URL but only IP is possible. That’s no problem, but because of my Reverse Proxy I use port 443 (with SSL certificate). It’s not possible to add the IP address with port 443. Do you know how to fix this?

@EmilePMC

The iOS app has no port settings / remote access.

It’s local-only.

You should consider addressing what’s not configured correctly in the reverse proxy.

Personally, I see a lot of misconfigured reverse proxy systems which end up lowering security.

The proxy isn’t needed if you’re only using it for PMS. Use of an external FQDN in your PMS settings (PMS will manage the port when brokering for you) is all that’s needed.

I have a FQDN (CloudFlare). My PMS publishes my FQDN as an access URL/
The Remote Access settings bring the last piece together.

Lastly, I have a firewall rule (pfsense) which controls the NAT port forwarding.

I make use of a reverse proxy to avoid opening several ports on my router. So that’s my preference. I’ll take a look at the reverse proxy settings.
The iOS app is local only you said. So the IP has to be something like 192.168.x.x and not the public address?
The webapp does work without problems (with the nginx reverse proxy - both app.plex.tv and plex.mydomain.com), only the iOS app doesn’t work.

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