Ideally, SSL certificates are issued by publicly trusted certificate authorities (e.g. Let’s Encrypt, Comodo, Verisign) to provide authentication and encryption on the internet. However, you could obtain an SSL certificate without going through a third-party
As you might already know, SSH (Secure Shell) is a network protocol for securely accessing a computer remotely. The server and client software in Linux are thereby known as SSH Server and SSH Client respectively
A firewall is either a software-based or, in some cases, a hardware-based security system for networks. It automatically monitors traffic inflow and outflow on the system and blocks certain kinds of data flow based on
Network and Server administration is one of the key areas in which Linux is actually preferred to any other operating system. Hence most data center admins are well versed with the Linux command line. There
A server is application software that listens to requests over a network and returns the requested files, data, etc. Linux machines have servers installed for many different protocols: Eg. HTTP Server, SSH Server, FTP Server,