SSH key authentication is far more secure than password-based login. A cryptographic key pair — private key on your machine, public key on the server — lets you connect without a password and protects against brute-force attacks. This guide covers generating a key pair and deploying it on Ubuntu 26.04 LTS. Tested and valid on: […]
Fail2Ban monitors log files and automatically bans IP addresses showing brute-force patterns. This guide installs and configures Fail2Ban on Ubuntu 24.04 LTS to protect SSH and other services. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges UFW or iptables installed and active Step 1 – Install […]
При настройке сетевой инфраструктуры чаще всего основной задачей является установка и настройка приложений. Однако настройка приложений без обеспечения корректных мер безопасности может иметь разрушительные последствия для вашей инфраструктуры в долгосрочной перспективе. В этой…
SSH, o blindaje seguro (secure shell) es un protocolo encriptado para administrar y comunicarse con servidores. Al trabajar con servidores Ubuntu, generalmente pasarás la mayor parte del tiempo conectado mediante SSH desde una terminal a tu servidor. En esta guía, nos…
An overview of the history and fundamentals of computer security. Explore security best practices, policies, the different threats you might face, and common resources you can use to keep your infrastructure safe.
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…
El autor seleccionó el COVID-19 Relief Fund para que reciba una donación como parte del programa Write for DOnations. El firewall posiblemente sea una de las líneas de…
WordPress is the most popular content management system (CMS) on the web currently. While WordPress can be a great way to manage you content, there are some very insecure configurations that are given throughout the internet. This article will cover how to set up secure updates and installations using SSH keys instead of FTP, which is an inherently insecure protocol.
YaCy is an alternative, peer-to-peer based search engine. It can be used as an alternative to popular engines like Google, Yahoo, etc. In this guide, we will discuss how to install and configure this tool on an Ubuntu 12.04 VPS. We will then discuss how you can contribute to the global search indexes, or use YaCy to provide a site search tool for your domain.
In this guide, we will show you how to create and configure a self-signed TLS/SSL certificate with the Apache web server on Ubuntu 20.04.
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