Security

The .htaccess file in Apache is a tool that allows configurations at the directory and subdirectory level. Using a .htaccess file will let you configure website details without altering server configuration files. This tutorial will show you how to set up and enable .htaccess on Apache.

The sudo command is the preferred means to handle elevated permissions. Standard user accounts are restricted from performing sensitive tasks, such as viewing the contents of the /root directory. This prevents the accidental use of commands with massive consequences. It also makes it more difficult for intruders to compromise a system. If you need to run an administrative command. Sudo – or Super User Do – grants you privileges to run sensitive tasks. The sudo command will grant elevated permissions for 15 minutes. This guide will show you how to create a new user on Ubuntu and provide sudo access.

ModSecurity is an Open-source firewall application for Apache. Learn how to Setup & Configure ModSecurity on Apache (Debian, Ubuntu, CentOS).

The mod_evasive tool is an Apache web services module that helps your server stay running in the event of an attack. Learn How To Protect Against DoS & DDoS with mod_evasive for Apache servers. A detailed tutorial on installing and configuring the security module to mitigate DoS attacks!

The Nmap hosted security tool can help you determine how well your firewall and security configuration is working. This guide will show you how to scan or check your Linux system for open ports using Nmap.

Squid is a Linux-based proxy application that can be used for filtering traffic, security, DNS lookups, and to speed up a web server by caching resources. This guide will walk you thru you setting up and installing Squid Proxy on Ubuntu.

Apache is part of the LAMP stack of software for Linux (Linux, Apache, MySQL, PHP). Apache is responsible for serving web pages to people looking at your website.

This guide will walk you through the steps to create or add a sudo user on CentOS 7. The “sudo” command stands for “Super User DO,” and temporarily elevates the privileges of a regular user for administrative tasks.

A brute force attack is among the most straightforward and least sophisticated hacking method. As the name implies, brute force attacks are far from subtle. The theory behind such an attack is that if you take an infinite number of attempts to guess a password, you are bound to be right eventually.

Data validation is not a new topic in web application development and here we take a brief look at data validation in Java ecosystem in general and Spring Framework specifically. Java platform has de facto a standard for implementing data validation that is Bean Validation specification.