What is the difference between RAS and VPN server?

• A remote access server (RAS) is a server that delivers a set of services to users who are connected to a network or the Internet from a distance. It links remote users to an organization's internal local area network as a remote gateway or central server (LAN).
• VPNs are more expensive to use (and maintain) than proxy servers, and they are frequently more difficult to manage. VPNs, like proxy servers, cannot ensure browsing anonymity. Neither of these providers guarantees that your communication will be encrypted all the way to the web server.
• A remote access server (RAS) consists of specialised server software that allows for remote connectivity. This software is intended to offer connecting users with authentication, connectivity, and resource access.

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