An Introduction to Let’s Encrypt
Let’s Encrypt is an open and automated certificate authority that uses the (ACME) protocol to provide free TLS/SSL certificates to any compatible client. There are dozens of clients…
Cómo configurar un firewall con UFW en Ubuntu 18.04
Hazel Virdó escribió una versión anterior de este tutorial. UFW o Uncomplicated Firewall es una interfaz para iptables orientada a simplificar el proceso de configuración de un firewall. Aunque iptables es una…
How the cloud provider Manages, Monitors, and Secures Kubernetes for App Platform
Strategies and tools the cloud provider uses to manage, monitor, and secure Kubernetes for an app platform.
How To Build A SIEM with Suricata and Elastic Stack on Ubuntu 20.04
The previous tutorials in this series guided you through installing, configuring, and running Suricata as an Intrusion Detection (IDS) and Intrusion Prevention (IPS) system. You also learned about Suricata rules and how to create your own. In this tutorial you will explore…
Como configurar o Packet Filter (PF) no FreeBSD 12.1
O autor selecionou a COVID-19 Relief Fund para receber uma doação como parte do programa Write for DOnations. O firewall é, provavelmente, uma das linhas de defesa…
Cómo configurar la autenticación basada en claves de SSH en un servidor Linux
SSH, o shell seguro, es la forma más común de administrar servidores Linux de forma remota. A pesar de que el demonio permite la autenticación con contraseña, exponer una cuenta protegida por contraseña a la red puede exponer a su servidor a ataques de fuerza bruta. En esta guía, demostramos cómo puede configurar su servidor con claves SSH, el cual es el método de autenticación recomendado. Es mucho más difícil que los atacantes las eviten, lo que le proporciona un mecanismo de inicio de sesión
How To Create a Point-To-Point VPN with WireGuard on Ubuntu 16.04
WireGuard is a modern, high performance VPN designed to be easy to use while providing robust security. WireGuard focuses only on providing a secure connection between parties over a network interface encrypted with public key authentication. …
How To Create a Self-Signed SSL Certificate for Apache on CentOS 8
In this guide, we will show you how to create and configure a self-signed TLS/SSL certificate with the Apache web server on a CentOS 8 machine.
How To Create an ECC Certificate on Nginx for Debian 7
Create an Elliptic Curve Cryptography (ECC) key pair for more efficient certificate encryption. ECC keys provide security equivalent to that of larger RSA keys while being smaller in size, reducing the resources needed on the server and offering faster performance for mobile devices.
Como editar o arquivo sudoers
O comando sudo é útil para executar comandos com privilégios que estão geralmente fora do escopo do seu usuário. Este guia discutirá como editar o arquivo de configuração para personalizar a maneira como o sudo funciona.
