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what is the most secure VPN tunnel can be created on rut240 to establish between IOT gateway and Server ?

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Hi Ki Va,

Each VPN tunneling protocol has its strengths and weaknesses; choosing one over the other relies on every person's standards, needs, and Internet activity.

From my personal experience, I usually recommend using OpenVPN as a VPN protocol because I consider it is secure, reliable, and also widely supported by VPN services.

I have read an article on the web where they explain and compare the seven most common VPN protocols currently used by VPN services. I will drop the link below for you to take a look:


And here is more information related to this topic from two of the most popular VPN service in the market :



I hope this information helps to solve your query.
Thanks Adevis for your swift reply ,

as per your link Open VPN is best one , but its associated with some fees and this is reason I wanted to see if there are any other free options to be implemented in the settings?

What is you opinion on routers with inbuilt VPN in this case? the are more costly but i guess set up is easier as well as lower OPEX

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Hello, I agree with Adevis OpenVPN is very good. But I like Wireguard, it's newer, faster, no less secure, and easier to set up. Wireguard, as well as OpenVPN, is installed or can be installed on all routers. https://www.wireguard.com/quickstart/

Best regards, Anton
Thanks Anton,

I guess this is what I looked for , just to confirm if it is free to use or any cost coming withit?

Fees can only be charged by commercial VPN services. The use of VPN protocols is free. Wireguard in particular is open source and distributed under the following licenses:

The kernel components are released under the GPLv2, as is the Linux kernel itself. Other projects are licensed under MIT, BSD, Apache 2.0, or GPL, depending on context.

(information from the official website)

Accordingly, no payment can be taken.

Best regards, Anton
Thanks Anton , much apreciate that!

What is you opinion on the protocol compare with routers with in built VPN? (e.i. https://www.dustin.no/product/5011104016/dwm-312-4g-vpn-router-dual-sim) as I understand correctly this router is more like plug in and play in regards to VPN and no set up needed as such.

While at Teltonika set up i needed.



Hi Kirill.

Let's start with the fact that any router is a "mini-computer" that has its own operating system. But all of them internally process VPN protocols at the software level. Different manufacturers implement the software part in different ways. For example, the OS in Teltonika routers is based on OpenWRT and is open source. The functionality of this OS can be changed by a set of packages. For many other manufacturers, OS and firmware are closed and you cannot change the set of functions - you cannot install packages. Accordingly, you cannot update the VPN protocol package separately from the firmware. Therefore, to say that in your example VPN is built-in, but not in Teltonika is at least not correct. In fact, all devices of this type are called - Hardware VPN, and all VPN applications for computer OS (Linux, Win, MacOS) are called software.

In terms of settings and connection, routers from other vendors will be similar. It is impossible to connect the device to the network and get a working VPN without setting it up. At a minimum, a device can be both a client and a server, there can be any addressing in the network, and one should not forget about unique encryption and / or authorization keys. Or the device will simply be preconfigured to connect to a specific service. Like for example RMS in Teltonika routers - turned on the device, connected the Internet, clicked Connect and the VPN works.

With all this I want to say that a PnP device for a private VPN does not exist. there is no "standard" use case.

I apologize if I wrote too much.

Best regards, Anton