The server does not allow secure connections

Plex Media Server NAS & Devices
1

Server Version#:1.16.5.1552-8e8d0c785
Player Version#:

Changed router but everything else connected works (eg back server/printers etc)
now get this error

The server does not allow secure connections

I can access the server files via windows explorer but I cant access plex via
the web or any other plex app.

Any ideas and it is set to secure connection preferred.

Thank you in advance for your help

2

If you can’t use secure connections in the LAN, it is in 95% of cases caused by DNS.

3

Hi
changed the DNS to 8.8.8.8 and still have the same issue.

Still cant connect to it.
I have access to the server via windows and I can see my files etc
but plex just cant connect to it

4

Then it is DNS rebinding protection, which might be active in your DNS resolver (usually the router or the firewall). Sometimes also in the web browser. Try another one.

5

I looked everywhere and cant find a way to turn of DNS rebinding protection.

Currently running a
D-Link Cobra Router
set the dns to 8.8.8.8

and still no luck

6

Then I’m afraid you need to look for an alternative firmware for this device (which of course leads to loss of warranty and support). Think Tomato, dd-wrt, open-wrt etc.pp.

7

I worked it out and it was not the router issue but Synology NAS issue not having the dns settings as you sugguested

Synology NAS

here is what i did to fix the issue on the Synology NAS

Go to Control Panel > Network > General and tick the Manually configure DNS server checkbox, and then set the DNS server value to “8.8.8.8” or “8.8.4.4”.

Now it works so suggest if people have a issue to change router to googles DNS and also the NAS system they are running.

Thank you to OttoKerner for pointing me in the right direction.

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8

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