# Firewalld, UFW y nftables en Linux

DevFeed: [Firewalld, UFW y nftables en Linux](<https://devfeed.tech/articles/firewalld-ufw-y-nftables-en-linux-34057.md>)

Original publisher: [Read original article](<https://tengoping.com/blog/firewalld-nftables-seguridad-red-linux/>)

Author: Antonio Pérez

Published: 2026-01-21T00:00:00Z

Content type: tutorial

Language: es

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

Topics: [Firewall](<https://devfeed.tech/topics/firewall.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [centos](<https://devfeed.tech/topics/centos.md>), [Debian](<https://devfeed.tech/topics/debian.md>), [Fail2ban](<https://devfeed.tech/topics/fail2ban.md>)

Tags: [centos](<https://devfeed.tech/tags/centos.md>), [debian](<https://devfeed.tech/tags/debian.md>), [fail2ban](<https://devfeed.tech/tags/fail2ban.md>), [firewall](<https://devfeed.tech/tags/firewall.md>), [linux](<https://devfeed.tech/tags/linux.md>), [rate-limiting](<https://devfeed.tech/tags/rate-limiting.md>), [ssh](<https://devfeed.tech/tags/ssh.md>)

## AI overview

A practical Spanish-language guide to managing Linux firewall rules with firewalld, UFW, and nftables. It explains runtime versus permanent rules, rich rules and NAT, rate limiting, SSH protection, and persistence after reboot, with warnings about avoiding lockout during remote administration.

## Source excerpt

Firewalld, UFW y nftables: reglas permanentes vs runtime, rate limiting, persistencia tras reinicio y migración desde iptables.