Introduction OpenSSL is an open-source toolkit that implements the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols, as well as a full-strength general purpose cryptography library. It is used to provide cryptographic functions and secure communications capabilities in many software packages and applications. In this comprehensive guide, we will walk through ..
Category : Security
Duplicity is a powerful open source backup tool that allows you to perform encrypted and incremental backups. It supports a variety of backends for storing backup data including local or remote file systems, FTP, SSH, WebDAV and cloud storage services. Duplicity uses GnuPG for encryption and signing of backup archives. In this comprehensive guide, we ..
Introduction Firewalls are a critical component of securing modern networks with internet access. Without firewalls in place, malicious actors could easily access and infect devices on a network. Properly configured firewalls substantially reduce undesirable communications. This article explains how to create firewall rules using the Windows Firewall with Advanced Security console and Windows PowerShell on Windows ..
Introduction Managing user accounts is an essential task for system administrators, whether you’re using CentOS / RedHat or Ubuntu / Debian as your operating system. Adding and deleting users is a routine part of system administration and helps ensure the security and proper access control on your server. In this article, we will provide you ..
Introduction The sudoers file is a crucial configuration file in Unix-like operating systems that controls access to root or superuser privileges. Understanding how to edit this file is essential for system administrators and power users. In this article, we will delve into the process of editing the sudoers file step by step, covering topics such ..
Introduction In the modern digital landscape, ensuring the security of your systems and networks is of paramount importance. One of the key tools in safeguarding your CentOS 7 server is FirewallD, a dynamic firewall management utility. FirewallD provides an easy-to-use interface for configuring and managing firewalls, allowing you to control incoming and outgoing network traffic. ..
In today’s digital landscape, securing your website with SSL/TLS encryption has become essential. Let’s Encrypt, a free and open certificate authority, provides an easy and automated way to obtain and install SSL certificates. In this article, we will guide you through the process of installing a Let’s Encrypt certificate in Lighttpd, a lightweight and efficient ..
ClamAV is a free and open-source antivirus software package for Unix-like operating systems. It can be used to scan files and directories for viruses, worms, Trojan horses, and other malware. ClamAV is available for a variety of platforms, including Ubuntu. In this tutorial, we will show you how to install and use ClamAV on Ubuntu ..
Rkhunter (Rootkit Hunter) is a tool that scans the system for rootkits, backdoors, and possible local exploits. It is a free and open-source security tool that runs on Linux and Unix-like systems. Rkhunter is a powerful tool that can help you detect and prevent potential security threats on your system. In this article, we will ..
The ConfigServer Security & Firewall (CSF) is a firewall tool that provides an easy way to configure your server’s security settings. This guide will walk you through the installation and configuration of the CSF firewall on Ubuntu. CSF offers various features to protect your VPS. These include: Step 1: Update your system Before installing any ..
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