Question

Is it possible to access the WebUI via my devices external IP address? I am struggling to find a way to do this.

Thanks.

Answer 1

Are you connected to the internet via a mobile operator / LTE / 4G etc. etc. or via traditional wired broadband? 

Most mobile operators make things like DynDNS impossible, in which case you'll need to pay for a VPN service with dedicated IP (such as https://www.privateinternetaccess.com/ ) or sign-up for Teltonika RMS (https://account.rms.teltonika-networks.com/ ) ... I use both, and have full WebUI (and CLI) control of my routers ... any Qs hit me back.

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Comments

Ah! Unfortunately yes, the router is connected to the internet via LTE so this may be the reason.

I am not really trying to access the router as such though. I have a SonicWALL firwall sat on the other side of it and I need to be able to access that via the external IP. I was hoping to do a combination of DynDNS and port fowarding to gain access but it sounds like that won't be possible now. Do you agree?

Thanks!

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You can look into a VPN service w/ fixed IP (such as the link I gave above) then with some port forwarding etc. etc. on the router you'll probably be able to access the SonicWall WebUI remotely in a similar fashion to what you're expecting with DynDNS.

Also, the Teltonika RMS service has some VPN features built-in, but I've not used it. There might be a way to tunnel through to your SonicWall WebUI from Teltonika RMS VPN but I have no idea how / if that's possible.

https://www.youtube.com/watch?v=dfAudZR2wPY

Alternatively, can you admin SonicWall via ssh on your LAN? If ssh is an option, Teltonika RMS  has a Remote CLI (alongside the Remote WebUI). From the remote router CLI, you can then ssh to anything on your LAN. The reason I mention this is because Teltonika does a '10 year' RMS connection pack, for one router, for approx. EUR50 ~ish ... and you're never going to find 10 years of VPN + fixed IP that cheaply.