Top PHP Hardening Security Tips for Linux Servers
It’s no brainier that PHP is one of the most used server scripting programming languages. It makes sense for an attacker to find various ways by which he can manipulate PHP as it is
Security
20 Useful Security Features and Tools for Linux Admins
In this article, we shall a list of useful Linux security features that every system administrator should know. We also share some useful tools to help a system admin ensure security on their Linux
7 Useful Linux Security Features and Tools for Beginners
The primary use of computers in any form, whether it’s a mobile phone, personal computer, or a workstation, or a server offering services on the internet, is for the storage and manipulation of data
How to Block SSH Brute Force Attacks Using SSHGUARD
SSHGuard is an open-source daemon that shields hosts from brute-force attacks. It accomplishes this through monitoring and aggregation of system logs, detecting attacks, and blocking attackers using one of the Linux firewall backends: iptables,
How to Set a Custom SSH Warning Banner and MOTD in Linux
SSH banner warnings are necessary when companies or organizations want to display a stern warning to discourage unauthorized parties from accessing a server. These warnings are displayed just before the password prompt so that
How to Install ModSecurity for Nginx on Debian/Ubuntu
It is every developer’s desire to deploy secure web applications which are safe from threats. On most occasions, this is effortless said than done. The frequency of websites being hacked keeps rising as hackers
How to Secure Apache with Let’s Encrypt SSL Certificate on CentOS 8
Securing your web server is always one of the key factors that you should consider before going live with your website. A security certificate is critical for securing traffic sent from web browsers to
How to Install Fail2ban on Rocky Linux and AlmaLinux
Written in Python, Fail2ban is a free and open-source Intrusion Prevention System (IPS) that protects the server against brute-force attacks. After a specified number of incorrect password attempts, the client’s IP address is banned
How to Use Port Knocking To Secure SSH Service in Linux
Port Knocking is a nifty technique of controlling access to a port by only allowing legitimate users access to the service running on a server. It works in such a way that when the
How to Do Security Auditing of Linux System Using Lynis Tool
Lynis is an open-source and much powerful auditing tool for Unix/Linux-like operating systems. It scans the system for security information, general system information, installed and available software information, configuration mistakes, security issues, user accounts