Security

Introduction> Introduction # TLS, or transport layer security, and its predecessor SSL, which stands for secure sockets layer, are web protocols used to wrap normal traffic in a protected, encrypted wrapper.

Status: Deprecated> Status: Deprecated # This article covers a version of Ubuntu that is no longer supported. If you are currently operate a server running Ubuntu 12.04, we highly recommend upgrading or migrating to a supported version of Ubuntu:

Status: Deprecated> Status: Deprecated # This article is deprecated and no longer maintained. Reason> Reason # Ubuntu 12.04 reached end of life (EOL) on April 28, 2017 and no longer receives security patches or updates.

Introduction> Introduction # TLS, or transport layer security, and its predecessor SSL, secure sockets layer, are secure protocols created in order to place normal traffic in a protected, encrypted wrapper.

Introduction> Introduction # Redis is an in-memory, NoSQL, key-value cache and store that can also be persisted to disk. This tutorial shows how to implement basic security for a Redis server.

Introduction> Introduction # A virtual private network, or VPN, allows you to securely encrypt traffic as it travels through untrusted networks, such as those at the coffee shop, a conference, or an airport.

Status: Deprecated> Status: Deprecated # This article covers a version of Ubuntu that is no longer supported. If you are currently operate a server running Ubuntu 12.04, we highly recommend upgrading or migrating to a supported version of Ubuntu:

Status: Deprecated> Status: Deprecated # This article covers a version of Ubuntu that is no longer supported. If you are currently operate a server running Ubuntu 12.04, we highly recommend upgrading or migrating to a supported version of Ubuntu:

Laravel is one of the most popular open-source web application frameworks written in PHP. It aims to help developers build both simple and complex applications by making frequently-used application tasks (like caching and authentication) easier.

Introduction> Introduction # Iptables is a firewall that plays an essential role in network security for most Linux systems. While many iptables tutorials will teach you how to create firewall rules to secure your server, this one will focus on a different aspect of firewall management: listing and deleting rules.

Status: Deprecated> Status: Deprecated # This article covers a version of Ubuntu that is no longer supported. If you are currently operate a server running Ubuntu 12.04, we highly recommend upgrading or migrating to a supported version of Ubuntu:

Introduction> Introduction # TLS, or transport layer security, and its predecessor SSL, which stands for secure sockets layer, are web protocols used to wrap normal traffic in a protected, encrypted wrapper.

Introduction> Introduction # While connecting to your server through SSH can be very secure, the SSH daemon itself is a service that must be exposed to the internet to function properly.

Introduction> Introduction # This tutorial will show you how to set up a TLS/SSL certificate from Let’s Encrypt on a Debian 8 server running Apache as a web server. We will also cover how to automate the certificate renewal process using a cron job.

Introduction> Introduction # When you first create a new Ubuntu 16.04 server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you a solid foundation for subsequent actions.

Introduction> Introduction # GPG, or GNU Privacy Guard, is a public key cryptography implementation. This allows for the secure transmission of information between parties and can be used to verify that the origin of a message is genuine.

Nginx is a very secure and reliable web server even with a default setup. However, there are many ways to secure Nginx further. In this article, we will use open source software exclusively while trying to follow some popular web server hardening approaches and security standards.

Introduction> Introduction # In this article, you’ll learn how to create a safe, encrypted tunnel between your computer and your VPS along with how to bypass limits in a corporate network, how to bypass NAT, etc.

Introduction> Introduction # Let’s Encrypt is a Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. It simplifies the process by providing a software client, Certbot, that attempts to automate most (if not all) of the required steps.

Introduction> Introduction # Setting up a firewall is an essential step to take in securing any modern operating system. Most Linux distributions ship with a few different firewall tools that you can use to configure a firewall.