In an ever-connected world, network security is increasingly becoming one of the areas where organizations invest a great deal of time and resources. This is because a company’s network is the backbone of any
Since its release in the early nineties, Linux has won the admiration of the technology community thanks to its stability, versatility, customizability, and a large community of open-source developers who work round-the-clock to provide
Now more than ever, we are living in a world where organizations are constantly bombarded by security breaches motivated by the acquisition of highly sensitive and confidential data which is highly valuable and makes
Net-filter as we all know it’s a firewall in Linux. Firewalld is a dynamic daemon to manage firewalls with support for network zones. In the earlier version, RHEL & CentOS 6 we have been
Over time, the traditional username and password authentication has proven inadequate in providing robust security to applications and systems. Usernames and passwords can easily be cracked using a plethora of hacking tools, leaving your
SSH Key-based authentication (also known as public-key authentication) allows for password-less authentication and it is a more secure and a much better solution than password authentication. One major advantage of SSH password-less login, let
How can I allow traffic from a specific IP address in my private network or allow traffic from a specific private network through firewalld, to a specific port or service on a Red Hat
One of the easiest ways to protect your Ubuntu systems is by keeping up to date software on them. Therefore applying updates frequently is an important part of maintaining secure systems. In this article,
For those of you in the hosting business, or if you’re hosting your own servers and exposing them to the Internet, securing your systems against attackers must be a high priority. mod_security (open-source intrusion
Malware, or malicious software, is the designation given to any program that aims at disrupting the normal operation of a computing system. Although the most well-known forms of malware are viruses, spyware, and adware,