Fail2ban is a service that can be run on your server to dynamically block clients that repeatedly fail to authenticate correctly with your services . This can help mitigate the affect of brute force attacks and illegitimate users of your services. In this guide, we’ll demonstrate how to install and configure fail2ban to protect SSH on an Ubuntu 20.04 server.
In Linux-Systemen werden Umgebungs- und Shell-Variablen verwendet, um Betriebsbedingungen für die Shell zu bestimmen. Sie können an untergeordnete Prozesse übergeben und verwendet werden, um Optionen festzulegen und bestimmte Informationen für Prozesse verfügbar zu machen, die in der Sitzung gestartet werden. In diesem Leitfaden werden wir über das Lesen, Ändern, Erstellen und Zerstören von Umgebungs- und Shell-Variablen sprechen.
This tutorial will show you how to redirect a www URL to non-www, e.g. `www.example.com` to `example.com`, with Apache on Ubuntu 14.04. We will also show you how to redirect in the other direction, from a non-www URL to www.
This article shows you how to deploy a web application using Django, the popular Python framework. The beauty of developing with popular web frameworks is that a lot of repetitious work has been done for you, so you can focus on building your site.
El autor seleccionó COVID-19 Relief Fund para que reciba una donación como parte del programa Write for DOnations. El servidor web Apache…
Mail-in-a-Box is an open source software bundle that makes it easy to turn your Ubuntu server into a full-stack email solution for multiple domains.
This tutorial will show you how to set up a free TLS/SSL certificate from Let’s Encrypt on a Ubuntu 16.04 server running Apache as web server. TLS certificates are used within web servers to encrypt the traffic between server and client, providing extra security for users accessing your application.
In this tutorial, we will show you how to use Let’s Encrypt to obtain a free SSL certificate and use it with HAProxy on Ubuntu 14.04. We will also show you how to automatically renew your SSL certificate.
Let’s Encrypt is a new 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 (previously called letsencrypt),…
You can greatly increase the security of your Nginx server by using a module like NAXSI. NAXSI (Nginx Anti XSS & SQL Injection) is a free, third-party Nginx module that provides web application firewall features. In this tutorial, you will use NAXSI to secure Nginx on your Ubuntu 16.04 server. By the end of this tutorial, you will know what kinds of attacks NAXSI can block and how to configure NAXSI rules.
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