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Untangle Network Security by Abd El-Monem A. El-Bawab

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OpenVPN

Untangle's OpenVPN is an SSL-based VPN solution that is based on the well-known open source application, OpenVPN. Untangle's OpenVPN is mainly used for client-to-site connections with a client feature that is easy to deploy and configure, which is widely available for Windows, Mac, Linux, and smartphones. Untangle's OpenVPN can also be used for site-to-site connections but the two sites need to have Untangle servers. Site-to-site connections between Untangle and third-party devices are not supported.

How OpenVPN works

In reference to the OSI model, an SSL/TLS-based VPN will only encrypt the application layer's data, while the lower layer's information will be transferred unencrypted. In other words, the application packets will be encrypted. ...

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