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.
LDAP allows you to keep your user authentication across multiple systems centralized in one location. In this guide, we will cover how to configure a client Ubuntu 12.04 machine to connect to our LDAP server for user authentication.
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. In this tutorial, you will use Certbot to obtain a free SSL certificate for Apache on Ubuntu 18.04 and set up your certificate to renew automatically.
This article will show how to create a simple firewall on a Centos VPS. It will only open up ports that we want and close up other services. We’ll also demonstrate how to prevent simpler attacks, and how to let yourself back in to the VPS if you deny access to yourself by accident.
SimpleSAMLphp is an open-source PHP authentication application that provides support for SAML 2.0. SAML (Security Assertion Markup Language)* is a secure XML-based communication mechanism for exchanging authentication and authorization data.
MongoDB doesn’t have authentication enabled by default, meaning that any user with access to the server where the database is installed can add and delete data without restriction. In order to secure this vulnerability, this tutorial will walk you through creating an administrative user and enabling authentication. You’ll then test to confirm that only this administrative user has access to the database.
Der Autor hat den COVID-19 Relief Fund dazu ausgewählt, eine Spende im Rahmen des Programms Write for DOnations zu erhalten. Die Firewall ist wahrscheinlich eine der…
Use AppArmor to heighten security for your Ubuntu applications. This tutorial uses Nginx as an example.
Read this advanced OpenVPN tutorial to increase your browsing security.
In this tutorial, you’ll learn how to restrict access to an Nginx-powered website using the HTTP basic authentication method on Ubuntu 14.04. HTTP basic authentication is a simple username and (hashed) password authentication method.
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