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Barracuda SSL VPN

How does my Barracuda SSL VPN differ from other VPN based software, such as OpenVPN?

  • Type: Knowledgebase
  • Date changed: 2 years ago
Solution #00003709

This solution applies to Barracuda SSL VPNs, all firmware versions.

OpenVPN and other VPN technologies are native applications which require software to be installed on any client system that will use them. In order to install and use software such as OpenVPN, Windows users must have an administrator account. Furthermore, for Windows, OpenVPN will only operate on Windows 2000 and above, while SSL VPN will work with any computer system that has a modern web browser. Conversely, the Barracuda SSL VPN leverages existing web browser and encryption technology in order that client systems require only a Java enabled web browser to access private networks.

OpenVPN and the Barracuda SSL VPN are also conceptually quite different. The former provides a full "pipe" into your network and, in a similar fashion to IPSec, this is designed to connect remote users to the entire network. The latter provides a means to securely connect your remote users to a range of application services within the network. As such, software like OpenVPN is more suited to fixed or point-to-point links into the corporate network while the Barracuda SSL VPN is more suitable for ad-hoc remote access from a multitude of operating systems and web browsers. Consequently, administrators can provide access to specific internal resources without exposing the entirity of the private network. Additionally, the Barracuda SSL VPN does provide the option of an OpenVPN-type connection using the Barracuda Network Connect feature, enabling administrators to grant differing levels of access depending on the user and his or her requirements.

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