Remote acces dropping 5 seconds after enabling

Plex Media Server Remote Access
1

Server Version#: 1.32.7.7621
Player Version#: 1.82.2.4024-64f483f6

i am running plex on truenas core verson 13.0-U6.
i have an isp router/modem and a second router in acces point mode(just for wifi).

when enabling remote access it is enabled but keeps dropping after 5 seconds.

image
image1030×426 57.7 KB

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image1021×470 60.3 KB

network portforward:

pf Prox
pf Prox1462×194 10 KB

serverlogs:
Plex Media Server Logs_2023-11-26_13-31-08.zip (5.1 MB)

2

Same problem last month happened 1 time, now today happened again, I have upnp active stay on like 5~10 secs and goes off.

3

Looks like your public port in plex and the external port on the router do not match . Check those.