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Forum Discussion
Orbi port forwarding not working
Hi, I am trying to set up port forwarding on my Orbi AX4200. The purpose is to set up remote access to my Plex server running on a Synology NAS, which is connected to one of the satellites of my...
I haven't mentioned this before in this thread but this has worked in the past for me. I set it up my Plex server on the Synology NAS right after I got the Orbi (Sep 2020) and I could enable Plex remote access (and access my music library through the Sonos app). Then I haven't used it in a while (mostly use Spotify and other streaming services on Sonos) and now when I tried to use it again it didn't work. Extremely frustrating. If you got your Orbi just recently, do you still have access to Netgear support? I think you have it for three months after purchase (unless you pay to extend it).
I am also having this issue. Plex on my synology nas shows I have a connection from outside and I have a green check. however, canyouseeme.org shows my external plex designated port as closed. I have Upnp both enables and disabled and I have the proper port forwarding set up in the router pointing to the nas. In my case external port 32605 to internal 32400 at my Nas IP of 192.168.11. Did anyone figure this out?
Aggie94 wrote:
I am also having this issue. Plex on my synology nas shows I have a connection from outside and I have a green check. However, canyouseeme.org shows my external plex designated port as closed. I have Upnp both enabled and disabled and I have the proper port forwarding set up in the router pointing to the nas. In my case external port 32605 to internal 32400 at my Nas IP of 192.168.11. Did anyone figure this out?
The description is not entirely clear (to me).
- When Synology shows there is a connection from outside, does that mean that
A setting has been made to allow connections from outside, or
That a connection from the outside actually exists right now? - UPnP is enabled or disabled? (which?) Is this UPnP
On the Synology device, or
On the Orbi router? - Was there a specific reason to use a different port besides 32400 for Plex access from the internet?
The public IP address reported by canyouseeme.org matches the Internet IP address on the Orbi advanced tab home page?
synology has it's own plex server. it designates 32400. Both with and without Upnp, 32400 is not showing as being reached no matter what external port I designate. 32400, 32500, 32600, 32605 etc. The reason you change the external port is because I have two plex servers in my home (for different reasons like transcoding ability). One on a pc running unraid and another on the synology nas. my PC has external port 32600 forwarded to 32400 at the IP of the PC. My synology has external port 32605 as my external forwarded to my plex app on the nas. forwarded to 32400. Plex uses as a standard port of 32400. So, to designate which server plex is pulling data, you change the external ports to point to each source. All this is explained in the support area of plex.tv. The plex app on the synology NAS does see external connection (green check in plex). I am just wondering why canyouseeme does not when I check port 32605.
yes, my public IP matches. no double NAT
Aggie94 wrote:
The reason you change the external port is because I have two plex servers in my home (for different reasons like transcoding ability). One on a pc running unraid and another on the synology nas.
Thanks. That makes perfect sense. So, both Plex servers are reachable from the internet using the Plex Media app, but canyouseeme does not show the port open. Very interesting question.
Would it be convenient to try a few other web test sites? Gibson Research "SheidsUp!", for example. https://www.grc.com/shieldsup
It could have something to do with the method the Plex server uses to connect. I don't know if this question is worth a lot of your time (since both Plex servers are working). Maybe Plex only accepts a connection that contains specific information? My approach would be to use the Orbi debug capability of "Enable LAN/WAN Packet Capture". Begin the capture, then try some "can you see me" web sites. Then connect using the Plex Media app. Save the debug file to your PC and then use Wireshark (or a similar pcap utility) to open both the LAN.pcap and WAN.pcap files.
The LAN capture will be the easiest because Wireshark can use a display filter to show only the packets going to/from the media server(s). (ip.addr == 192.168.1.11) What I suspect might happen is that there will be TCP packets going from the Orbi router to the Synology, but no responses going back to the router. Then, when Plex Media connects, there will packets going to the Synology and packets going back to the router (the router being the gateway to the internet).
The WAN side will be more difficult because all incomming packets are addressed to the Orbi router and Network Address Translation hides the internal IP address.
- When Synology shows there is a connection from outside, does that mean that
