13 articles Security

How to Use WPScan to Test for Vulnerable Plugins and Themes in WordPress

Introduction   WPScan stands for wordpress security scanner. It is written in ruby language and it is a free software used to locate any vulnerable plugins and themes in your wordpress site that makes it vulnerable to attacks. Recently, there has been a tremendous increase in the security issues found among plugins and themes for…

How to Install OpenVPN Access Server on Ubuntu 12.04

Introduction   OpenVPN is an open source application that can be used for implementing virtual private network techniques for secure connections. Its prominent features include OpenVPN Connect UI and OpenVPN client software packages that accommodate Windows, Mac and Linux distributions. When compared to the traditional OpenVPN, installation of OpenVPN Access Server is easier. Also, it…

How to Set Up Multiple SSL Certificates on One IP with Lighttpd

Introduction   Lighttpd is an open source web server designed for high performance environments. Several web 2.0 sites have been powered by lighttpd. Self Signed Certificates are useful for securing the information between web server and the user. A secure connection will be made by encrypting the site’s information. Encryption makes it difficult for an…

How to Restrict Log In Capabilities of Users on Ubuntu

The basics of system administration are configuration and management of users and groups. Here, we will be discussing about authentication logging and monitoring of system entities. By the end of this tutorial, you will be able to understand the concepts behind user management, monitoring and authentication logging. Also, we will show you how to restrict…

How to Protect SSH with Fail2ban on Ubuntu 12.04

Introduction Fail2ban is an intrusion prevention framework that protects servers from single source brute force attacks. Fail2ban monitors the log files and is able to reduce the rate of invalid authentication attempts to the server. It is based on python programming language and has the ability to perform multiple actions whenever an alarming IP is…

How to Create an SSL Certificate on Nginx for Ubuntu 12.04

Introduction Self Signed Certificates are useful for securing the information between web server and the user. A secure connection will be made by encrypting the site’s information. Encryption makes it difficult for an unauthorized person to access site’s information.  An SSL certificate can reveal the virtual private server’s identification information to the site visitors. This…

How to Use passwd and adduser on a Linux VPS

As with any Linux distributions, you need to be aware of the basic system administration concepts like authentication and configuration. It’s a wide range topic with different tools and configuration files. Here, in this tutorial, we will be exploring the tools for configuring authentication. That is, ‘passwd’ and ‘adduser’ to be precise. We will be…

How to Create a SSL Certificate on Apache for Ubuntu 12.04

Introduction Self Signed Certificates are useful for securing the information between web server and the user. A secure connection will be made by encrypting the site’s information. An SSL certificate can reveal the virtual private server’s identification information to the site visitors. This tutorial will guide you to create and install Self Signed Certificates on…

How to Create an SSL Certificate on Apache for CentOS 6

Self Signed Certificates are useful for securing the information between web server and the user. A secure connection will be made by encrypting the site’s information. An SSL certificate can reveal the virtual private server’s identification information to the site visitors. This tutorial will guide you to create and install Self Signed Certificates on Apache…

How to SetUp Server with Ubuntu 14.04

Once you create a new server, you will need to make some configuration changes in order to make your server usable, secure and functioning. This is a tutorial on server set up and it covers the basics of setting up with Ubuntu 14.04.  By the end of this tutorial, you will be able to: Set…