Email is perhaps the most useful and popular function of any Linux system. Fortunately, there are numerous email software applications that can be set up on a Linux server. The best among them are stable and ideal for use in both business and personal environments. They enable you to receive and send emails, filter spam, …

Although internet connections are readily available and cheap these days, not all of them are secure. A Virtual Private Network (VPN) enables you to create a secure network in your home or organization within a Wi-Fi or internet connection that seems insecure. Today, there are different platforms on which you can set up a VPN. …

What is IPSec? Internet Protocol Security – IPsec is an extension to the IP protocol family that secures sessions between agents through cryptographic authentication. It is a network protocol that validates and encrypts packets of data that are sent in network. IPsec can safeguard data transferred between a pair of hosts, a pair of gateways, …