An Introduction to SELinux on CentOS 7 – Part 1: Basic Concepts
This is the first article in the Introduction to SELinux series. Learn how to safely enable SELinux, install supporting packages, and understand basic SELinux concepts and terminology.
How To Configure Remote Access for MongoDB on Ubuntu 20.04
This tutorial walks you through configuring a MongoDB installation to securely allow access from a trusted remote computer. This will involve updating your firewall rules to provide the remote server access to MongoDB’s default port and changing Mongo’s configuration file to update its IP binding setting.
How to Set Up SSH Keys on Ubuntu 18.04
SSH-key-based authentication provides a more secure alternative to password-based authentication. In this tutorial we’ll learn how to set up SSH key-based authentication on an Ubuntu 18.04 installation.
Sichern von MongoDB unter Ubuntu 20.04
Eine frühere Version dieser Anleitung wurde von Melissa Anderson verfasst. MongoDB , auch als Mongo bekannt, ist eine Open-Source-Dokumentendatenbank, die in vielen modernen…
How to Create an Intranet with OpenVPN on Ubuntu 16.04
Intranets are private networks created by organizations to ease communication and data transfers. In this tutorial you’ll configure services that are only available to clients who are connected to the VPN, including file shares and a web site, and you’ll learn how to manage access to those resources. When you’re done, you’ll have a basic intranet you can easily expand to meet your needs.
How To Configure Port Knocking Using Only Iptables on an Ubuntu VPS
Port knocking is a method of hiding services behind a firewall until a specific sequence of network activity occurs. After detecting this, the firewall is dynamically reconfigured to expose the requested service for the client who completed the specific sequence of activity. In this article, we will discuss how to implement a port knocking mechanism on an Ubuntu VPS using only the tools available within the iptables package.
How to Upgrade OSSEC 2.8.1 to OSSEC 2.8.2
OSSEC is an open-source, host-based intrusion detection system (HIDS) that performs log analysis, integrity checking, Windows registry monitoring, rootkit detection, time-based alerting, and active response. It can be installed to monitor a single server or thousands of servers.
List and Delete iptables Firewall Rules in Linux
Learn how to list and delete iptables firewall rules in Linux with command examples. Manage security by reviewing and removing rules safely and efficiently.
How To Install Bro-IDS 2.2 on Ubuntu 12.04
In this tutorial we will go over how to install Bro-IDS 2.2 on Ubuntu 12.04.
How To Set Up SSH Keys on CentOS
SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a CentOS server, chances are you will spend most of your time in a terminal session connected to your server through SSH.
