MCSA Windows Server 2016 Study Guide: Exam 70-741 by William Panek

Author:William Panek [Panek, William]
Language: eng
Format: azw3
ISBN: 9781119359456
Publisher: Wiley
Published: 2017-08-24T04:00:00+00:00

How you enable VPN support on your Windows Server 2016 machine depends on whether you’re using a server or a client (Windows XP, Windows Vista, Windows 7, Windows 8, and so on).

Client configuration is easy. Just install the Dial-Up Networking service and then use the Make New Connection Wizard to create a new VPN connection. On the server side, you’ll need to install and configure RRAS and then enable it to accept incoming VPN connections.

How VPNs Work

The VPN client assumes that the VPN server is already connected to the Internet in some way. Here’s how the VPN connection process works:

The client establishes a connection to the Internet. Dial-up networking or any other connection method can be used for this connection. The client must be able to send packets to the Internet.

The client sends a VPN connection request to the server. The exact format of the request varies, depending on whether the VPN is using PPTP, L2TP, or SSTP.

The client authenticates itself to the server. Again, the exact process varies according to the VPN protocol in use. If the client can’t provide valid credentials, the connection is terminated.

The client and server negotiate parameters for the VPN session. This negotiation allows the two ends to agree on an encryption algorithm and strength.

The client and server go through the PPP negotiation process because both L2TP and PPTP depend on the lower-level PPP.

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