Cómo configurar un servidor VPN IKEv2 con StrongSwan en Ubuntu 20.04
Justin Ellingwood y Namo escribieron una versión anterior de este tutorial. Un red virtual privad,(VPN, por sus siglas en inglés) le permite cifrar de forma…
How To Setup a Firewall with UFW on an Ubuntu and Debian Cloud Server
Learn how to setup a firewall with UFW on an Ubuntu / Debian cloud server.
Cara Menyiapkan dan Mengonfigurasi Otoritas Sertifikat (CA) Pada Ubuntu 20.04
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
How To Use Certbot Standalone Mode to Retrieve Let’s Encrypt SSL Certificates on Ubuntu 18.04
Certbot offers a variety of ways to validate your domain, fetch certificates, and automatically configure Apache and Nginx. In this tutorial, we’ll discuss Certbot’s standalone mode and how to use it to secure other types of services, such as a mail server or a message broker like RabbitMQ.
Cómo crear un certificado SSL autofirmado para Apache en Ubuntu 20.04
TLS, o “seguridad de capa de transporte”, y su predecesor SSL, son protocolos utilizados para envolver el tráfico normal en un envoltorio protegido y cifrado. Usando esta tecnología, los servidores pueden enviar de forma segura información a sus clientes sin que sus…
How To Install DenyHosts on Ubuntu 12.04
DenyHosts is a security tool written in python that monitors server access logs to prevent brute force attacks on a virtual private server. The program works by banning IP addresses that exceed a certain number of failed login attempts. This tutorial explains how to install denyhosts, how to whitelist your IP address, and where to find the denyhosts configuration file. It is written for Ubuntu 12.04.
How To Install and Configure DKIM with Postfix on Debian Wheezy
This tutorial will focus on installing and configuring OpenDKIM: an open source implementation of the DKIM sender authentication system.
Como Instalar e Configurar um Servidor OpenVPN no Ubuntu 20.04
Uma Virtual Private Network (VPN) permite que você atravesse redes não confiáveis como se estivesse em uma rede privada. Ela dá a você a liberdade de acessar a internet com segurança no seu smartphone ou notebook ao se…
How To Configure vsftpd to Use SSL/TLS on an Ubuntu VPS
FTP was a popular way to transfer to files between local and remote computers. Although its use has fallen out of favor due to security concerns, there are some steps that you can take to increase the security of this protocol. In this guide, we will demonstrate how to configure the vsftpd server to user SSL/TLS connections to encrypt data transfer.
How To Install DenyHosts on CentOS 6
DenyHosts is a security tool written in python that monitors server access logs to prevent brute force attacks on a virtual private server. The program works by banning IP addresses that exceed a certain number of failed login attempts. This tutorial explains how to install denyhosts, how to whitelist your IP address, and where to find the denyhosts configuration file. It is written for CentOs.
