OpenVPN is a tool for deploying a secure network for transmitting encrypted data streams.
The program allows you to use various proxy servers (NAT, SOCKS, HTTP). It can be an alternative to IPsec in cases where the provider blocks certain VPN protocols. OpenVPN can change in NAS - network attached storage.Key advantages of OpenVPN
The utility allows you to simplify the process of creating an encrypted data channel and has the following advantages:
- ease: simple setup and installation, which is quite rare, given the purpose of this category of tools;
- portability: can be installed on almost any system including Windows, Linux, Mac OS, Solaris and BSD-based platforms. At the same time, the principles of network configuration are identical, regardless of the platform. For OpenVPN to work on Linux, the system kernel must be above version 2.4;
- Client-server: the tool uses a client-server architecture, therefore must be installed on all nodes of the VPN network;
- Tunneling: allows creation of a UDP or TCP tunnel with an encrypted data stream. In recent versions of the software it is possible to use one port to create several server tunnels;
- Security modes: VPN can use the same static key to encrypt and decrypt information. This implies a fairly simple setup, but if an unauthorized person gets hold of the key, he can decrypt the data stream being transmitted. To strengthen the protection, the Public Key Infrastructure is used. In this case - two keys, one of which is known only to the owner.
OpenVPN allows you to create a VPN network via bridging or routing using the TUN and TAP drivers.
The OpenVPN installer for Windows 64 and 32bit is packed in a zip archive, which can be unpacked with any free archiver from title="Free archivers">this category.
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