Understanding VPNS

Understanding VPNs or Virtual Private Networks is one of the cornerstones of network security. In short, a virtual private network is used to extend, typically a company's private network,  across the public network or Internet. This allows devices that reside outside of the network to connect directly to the private networks infrastructure.  Now there are different types of VPN services, along with different types of protocols and throughout this post we are going to explore the most common of each.
While there are many specific types of VPNs there are two major types that we will be discussing, which is Client-based and Site-to-Site VPN.
A client-based VPN is probably the one you are most familiar with, this allows a user to connect to a private network remotely. You can use this as a corporate employee while traveling to still access all the necessary services to do your job. However, following within the same lines, companies offer services