On September 24, 2014, a GNU Bash vulnerability, referred to as Shellshock or the “Bash Bug”, was disclosed. In short, the vulnerability allows remote attackers to execute arbitrary code given certain conditions, by passing strings of code following environment variable…
Let’s Encrypt is a Certificate Authority (CA) that facilitates obtaining and installing free TLS/SSL certificates, thereby enabling encrypted HTTPS on web…
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.
In this tutorial, we will show you how to use Let’s Encrypt to obtain a free SSL certificate and use it with Nginx on Ubuntu 16.04. We will also show you how to automatically renew your SSL certificate. If you’re running a different web server, simply follow your web server’s documentation to learn how to use the certificate with your setup.
OpenVPN is a great tool to ensure traffic is not eavesdropped. You can use this to ensure a secure connection from your laptop to your the cloud provider VPS (droplet) as well as between cloud servers. This article is to help get you started on your way to setting up a Virtual Private Network.
firewalld es un software de administración de firewalls disponible para muchas distribuciones de Linux que funciona como front-end para los sistemas de filtrado de paquetes en kernel nftables o…
Uma versão anterior deste tutorial foi escrita por Hazel Virdó O UFW, ou Uncomplicated Firewall (Firewall Descomplicado), é uma interface para iptables desenvolvida para simplificar o processo de configuração de um…
Une version précédente de ce tutoriel a été rédigée par Justin Ellingwood et Namo Un réseau privé virtuel, ou VPN, vous permet de crypter en toute sécurité le…
Eine frühere Version dieses Tutorials wurde von Justin Ellingwood verfasst Möchten Sie sicher von Ihrem Smartphone oder Laptop auf das Internet zugreifen, wenn Sie mit einem nicht vertrauenswürdigen Netzwerk, wie…
Otoritas Sertifikat privat yang berjalan pada Ubuntu 20.04 akan memungkinkan Anda untuk mengonfigurasi, menguji, dan menjalankan program yang membutuhkan koneksi terenkripsi antara klien dan server. Menggunakan CA privat, Anda dapat menerbitkan sertifikat untuk pengguna, server, atau masing-masing program serta layanan di dalam infrastruktur Anda. CA privat dapat membantu memastikan bahwa semua lingkungan pengembangan, penahapan, dan produksi Anda menggunakan arsitektur dan konfigurasi yang seru
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