By establishing a private network link over
a public network connection, a Virtual Private Network (VPN) provides
users with privacy, anonymity, and protection. VPNs and proxy servers, as well
as overlay networks, can be used together. VPNs are classified as either
host-to-network or remote access when they link a single device to a network,
or site-to-site when they connect two networks.
Remote-access Virtual Private Networks
enable workers to access the company's intranet from outside the workplace in a
corporate environment. Site-to-site VPNs enable collaborators in different
locations to access the same virtual network. When you link your computer
(or another unit, such as a smartphone or tablet) to a VPN, the computer
appears to be connected to the VPN's local network. Any of the network traffic
is routed via the VPN over a secure link.
Since your machine acts like it's connected
to the internet, you can safely access local network services even though
you're on the other side of the globe. You'll also be able to navigate the
Internet as if you were physically present at the VPN's server, which has
certain advantages if you're using public Wi-Fi or need to access geo-blocked
websites.
When you browse the web when connecting to
a Virtual Private Network, your
user uses the secure VPN link to communicate with the website. The VPN sends
the request to the website on your behalf and receives the response from the
website via the stable link.
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