#firewall

Entradas etiquetadas con «firewall».

How to Set Up FirewallD on CentOS

Xernode
Sin comentarios
1 min

Introduction

FirewallD is a dynamic firewall manager for Linux systems, providing a flexible way to manage firewall rules. This guide shows you how to install and configure FirewallD on CentOS.

Step-by-step Guide

Update your package list
- sudo yum update

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How to Enable Firewall (UFW) in Ubuntu

Xernode
Sin comentarios
1 min

Introduction:
Enabling the firewall in Ubuntu with UFW (Uncomplicated Firewall) is a simple way to protect your server from unwanted access.

Step-by-step Guide:

Install UFW (if not already installed):n
- sudo apt update
- sudo apt install ufw

Recommendations:

… Leer la guía completa

How to Change SSH Port in Linux

Xernode
Sin comentarios
1 min

Introduction:
Changing the default SSH port in Linux is a simple way to improve your server’s security and reduce brute-force attacks.

Step-by-step Guide

Open the SSH configuration file:
- sudo nano /etc/ssh/sshd_config
- Find the line:n
  - #Port 22

How to Set Up FirewallD on CentOS

Introduction

Step-by-step Guide

How to Enable Firewall (UFW) in Ubuntu

How to Change SSH Port in Linux

Step-by-step Guide

Linux ssh firewall port security linux 19 de marzo de 2026 … Leer la guía completa

Linux ssh firewall port security linux
19 de marzo de 2026
… Leer la guía completa