How To Set Up DNSSEC on an NSD Nameserver on Ubuntu 14.04
Serve secure zone files on a pair of NSD nameservers using DNSSEC. This tutorial shows you how to set up master and slave nameservers, and how to serve secure zone files for two domains.
How To Set Up vsftpd on CentOS 6
Vsftpd is a fast and secure FTP server. Installing an FTP server can assist you with uploading files to your droplet. This tutorial describes how to install and set up vsftpd on CentOS 6.
Comment configurer Packet Filter (PF) sous FreeBSD 12.1
L’auteur a choisi le COVID-19 Relief Fund pour recevoir un don dans le cadre du programme Write for DOnations. Le pare-feu est sans doute l’une des plus importantes…
How To Secure HAProxy with Let’s Encrypt on CentOS 7
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.
Hosten einer Website mit Cloudflare und Nginx unter Ubuntu 20.04 (18-04-DE)
Der Autor wählte die Electronic Frontier Foundation, um eine Spende im Rahmen des Programms Write for DOnations zu erhalten. Cloudflare…
How To Harden OpenSSH on Ubuntu 20.04
Linux servers are often administered remotely using SSH by connecting to an OpenSSH server, which is the default SSH server software used within Ubuntu, Debian, CentOS, FreeBSD, and most other Linux/BSD-based systems. In this tutorial, you will harden your Ubuntu 20.04 OpenSSH server by using different configuration options to help ensure that remote access to your server is as secure as possible.
Cómo configurar un firewall con UFW en Ubuntu 20.04
UFW, o Uncomplicated Firewall, es una interfaz de gestión de firewall simplificada que oculta la complejidad de las tecnologías de filtrado de paquetes de nivel inferior, como iptables y nftables. Si desea comenzar a proteger su red y no está seguro respecto de la…
How To Use Certbot Standalone Mode to Retrieve Let’s Encrypt SSL Certificates on CentOS 7
Let’s Encrypt is a service offering free SSL certificates through an automated API. The most popular Let’s Encrypt client is EFF’s Certbot. Certbot offers a variety of ways to validate your…
How To Create an SSL Certificate on Apache for CentOS 7
SSL is a web protocol used to encrypt a site’s information and create a more secure connection. The certificate system also assists users in verifying the identity of the sites that they are connecting with. In this guide, we will show you how to set up a self-signed SSL certificate for use with an Apache web server on a CentOS 7 VPS.
Comment configurer des clés SSH sur Ubuntu 18.04
SSH, ou secure shell, est un protocole crypté utilisé pour administrer et communiquer avec des serveurs. Lorsque vous travaillez avec un serveur Ubuntu, il y a de fortes chances que vous passiez la majeure partie de votre temps dans une session terminal connectée à votre…
