This article will go over how to enable SSH authentication using an OATH-TOTP app in addition to an SSH key. Logging into your server via SSH will then require two factors across two channels, thereby making it more secure than a password or SSH key alone.
![Como configurar a autenticação por senha com o Apache no Ubuntu 18.04 [Início Rápido] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-set-up-password-authentication-with-apache-on-ubuntu-18-04-quickstart-pt-86073-featured.png "Como configurar a autenticação por senha com o Apache no Ubuntu 18.04 [Início Rápido] 2")
Este tutorial trará um passo a passo sobre como proteger ativos em um servidor Web Apache em execução no Ubuntu 18.04. O cumprimento desses passos dará segurança adicional para seu servidor, de modo que usuários não autorizados não possam acessar certas partes de sua…
SSH oder Secure Shell ist ein verschlüsseltes Protokoll zur Verwaltung und Kommunikation mit Servern. Wenn Sie mit einem CentOS-Server arbeiten, verbringen Sie wahrscheinlich die meiste Zeit in einer Terminalsitzung, die über SSH mit Ihrem Server verbunden ist. In diesem…
O SSH, ou shell seguro, é um protocolo criptografado usado para administrar e se comunicar com servidores. Ao trabalhar com um servidor Ubuntu, existem boas chances de você gastar a maior parte do seu tempo em uma sessão de terminal conectada ao seu servidor através do…
FTP, short for File Transfer Protocol, is a network protocol that was once widely used for moving files between a client and server. It has since been replaced by faster, more secure, and more convenient ways of delivering files.
We all know that DNS is a protocol which resolves domain names to IP addresses, but how do we know the authenticity of the returned IP address? It is possible for an attacker to tamper a DNS response or poison the DNS cache and take users to a malicious site with the legitimate domain name in the address bar.
Duplicity is a simple backup solution that can be used to backup data from a VPS instance to another VPS or a local machine. In this guide, we will demonstrate how to install duplicity on Ubuntu and configure it to perform automated backups.
In this tutorial, you will learn how to generate and use one-time passwords to log in to your remote FreeBSD server. You can pregenerate one or more one-time passwords when you’re in a safe location, and save them for later when you access your server from a less secure location. That way, even if your one-time password gets logged, it won’t ever be useful to an attacker.
Although it is possible to guard your server environment against attacks, it is important to be able to detect whether an intruder does manage to compromise your security. Tripwire is a tool that can be used to detect changes in the filesystem that may indicate that an unauthorized person has entered and modified files. In this guide, we will discuss how to install and configure tripwire on an Ubuntu 12.04 VPS.
Cuando crea por primera vez un nuevo servidor Ubuntu 20.04, debe realizar algunos pasos de configuración importantes como parte de la configuración básica. Estos pasos aumentarán la seguridad y utilidad de su servidor, y le brindará una base sólida para las siguientes…
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