Whenever we wish to connect through the public Internet in a secure fashion we use VPN we use virtual
private networks that creates a tunnel that gives users or to remote Local Area Network a secure access
to each other's private network as if they were connected to the same LAN a VPN uses different encryption
algorithms it uses different hash functions and it uses different authentication schemes to make sure
that only allowed users can access the private network that no one can read your data and that no one
can touch your data.
No one can tamper with the data that is being sent.
There are two main VPN technologies that show 40 supports and these are IP SEC and SSL VPN.
We will look at both technologies understand the differences between them.
When do we use each and configure each separately.
So let's start.