Plex Media server and remotely connection problems

Plex Media Server Desktops & Laptops
1

Server Version #: 1.13.5.5332
Player Android Version #: 7.4.0.6424 (ab172317)
File system #: QNAP TS-251A

qnapinfo

Without me changing anything, the server is sometimes inaccessible remotely. The ports have been manually set and configured on the router so that they are accessible from outside.

Also I have a fixed ddns that should guarantee me not to have this problem but very often accessibility is denied by clients on smartphones. For example, today I can not access from my mobile phone on my server.

For example, access does not work and the check mark next to the public address was red. Now despite telling me that I can not be reached from the outside, the check is green and I enter the phone while not before. See Attachment.

serverplex
serverplex926×540 172 KB
plex%20server
plex%20server914×547 171 KB

Typical situation:

  1. I enter from my smartphone on the plex and the app tells me that I do not reach the plex server.
  2. Within the server configuration on my QNAP (remotely) and I find that remote access is inhibited.
  3. I click on “activate remote access”, and instead the check on “internet” turns green even if there is a red writing that says “Not available outside your network - Activate to access your server anywhere.” Obviously it does not make me save the changes (the button is not clickable). See Attachment.

Port forward #: In my router i open the port forward 32400 to the internal lan ip of my qnap;
DHCP reservation #: Also i have DHCP reservation to the qnap server;
DDNS setup #: In ddns i have correctly configured the unique name for reach my qnap from internet.
Firewall #: disabled

But for my ISP restriction i cant reach my router outside my lan if i able other internal ip to available from internet or maybe is my skill not really good for setup correctly that info. In fact from my office i can enter in QNAP and i can enter in plex server too.

But My plex server work correctly from 1 week or more (im new to plex and qnap nas too). Just from yestarday i have all this problems.

Wich other info you need?

PS: from this exactly moment the connection is available and i do not do anything.

remoteaccessok
remoteaccessok897×557 169 KB
remoteaccessok2
remoteaccessok2882×567 181 KB

Also there is a plex server log available.Plex Media (4.7 MB)

Is this a problem of the app server plex and not to my connection or server?

2

Please separate your issues and have a separate forum topic for your remote access problem from the quality setting issue. Please remove the references to the quality setting from this topic and edit your title and raise that in a separate topic

For the remote access connection issue please provide screenshots showing your port forward in the router and confirmation that the local IP is a DHCP reservation or static outside dhcp range
And what settings do you have in the firewall ? and which firewall software

Also get some server logs - ensure first debug logging enabled
See https://support.plex.tv/articles/201643703-reporting-issues-with-plex-media-server/

restart the server

open the remote access settings page with show advanced

click retry once

wait 5 minutes
(when clicking retry - if you do it multiple times, make sure there is a 30 second gap between retries)

if remote access fails to get established, capture logs and screenshot of server remote access settings
see https://support.plex.tv/articles/200250417-plex-media-server-log-files/

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