# Hardening básico de servidores Linux

DevFeed: [Hardening básico de servidores Linux](<https://devfeed.tech/articles/hardening-basico-de-servidores-linux-34061.md>)

Original publisher: [Read original article](<https://tengoping.com/blog/hardening-basico-servidores-linux/>)

Author: Antonio Pérez

Published: 2026-01-22T00:00:00Z

Content type: tutorial

Language: es

Sources: [tengoping.com](<https://devfeed.tech/sources/tengoping-com.md>)

Topics: [Linux](<https://devfeed.tech/topics/linux.md>), [Firewall](<https://devfeed.tech/topics/firewall.md>), [ssh](<https://devfeed.tech/topics/ssh.md>), [Fail2ban](<https://devfeed.tech/topics/fail2ban.md>), [OpenSSH](<https://devfeed.tech/topics/openssh.md>), [Kernel](<https://devfeed.tech/topics/kernel.md>)

Tags: [fail2ban](<https://devfeed.tech/tags/fail2ban.md>), [firewall](<https://devfeed.tech/tags/firewall.md>), [hardening](<https://devfeed.tech/tags/hardening.md>), [hash](<https://devfeed.tech/tags/hash.md>), [kernel](<https://devfeed.tech/tags/kernel.md>), [linux](<https://devfeed.tech/tags/linux.md>), [ssh](<https://devfeed.tech/tags/ssh.md>)

## AI overview

This Spanish tutorial presents a basic hardening checklist for Linux servers and explains why the measures should be applied in a specific order. It covers system updates, SSH, firewall configuration, user policies, sudo restrictions, kernel parameters, unnecessary services, Fail2ban, auditing, and final verification.

## Source excerpt

Checklist de hardening en el orden correcto: SSH, firewall, usuarios, kernel, AIDE, chrony y verificación final con Lynis.