Shulou(Shulou.com)05/31 Report--

This article will explain in detail how to configure OpenVPN for you. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

Principle

The principle is also very simple. After we connect to the OpenVPN instance using the public network, we will create a virtual interface locally, and the traffic of the specified network segment will be connected to the OpenVPN instance through this virtual interface. After connecting to the network, OpenVPN will forward your traffic to your own network. As shown in the figure:

OpenVPN schematic diagram

The witty little friend is about to ask, what is Tunneling Split? what is your picture? Tunneling Split is commonly known as tunnel separation, which allows you to access specified network segments through tunnels established by OpenVPN, while unspecified ones are accessed through your network. This can greatly save your bandwidth on the cloud, improve the user experience, and ensure security.

Demand

Okay, to sum up, our requirements, in addition to the tunnel separation mentioned above is a necessary function, what other functions do we need?

Better user management, preferably graphical and convenient OpenVPN configuration management, multi-instance management

This is probably what we need, and most of the OpenVPN software on the market also implements these functions, but most of them are paid, and they are charged according to the number of users, and the price is still very high. At this time, you need to introduce powerful Pritunl software, free of charge, and support Web graphics.

Pritunl

Pritunl is a graphical OpenVPN software, providing a friendly graphical interface, eliminating the hardship of traditional OpenVPN installation, and through the graphical interface can be simple personnel management, parameter configuration, very convenient. Without saying much, go straight to the picture above:

Pritunl user Management Interface

Pritunl multi-OpenVPN instance management Pritunl installation

Pritunl is basically an one-click installation, during which you may encounter some well-known network problems, which can be solved by yourself. the underlying layer relies on a MongoDB for user management and OpenVPN template rendering.

Sudo tee / etc/apt/sources.list.d/mongodb-org-4.2.list

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