Oct 22, 2025 · 6 min read · Si estás preparándote para certificaciones de Linux como LPIC-1, LFCS o RHCSA, la seguridad de la red es un tema clave. El pilar fundamental de esta seguridad a nivel de sistema es el firewall (cortafuegos). En este post, desglosaremos qué es, cómo f...
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Mar 27, 2025 · 3 min read · What if I told you that in a world full of firewalls, NATs, and relays, there's a way to connect peer-to-peer directly*—like an invisible handshake between two strangers in the multiverse?* Enter Libp2p WebRTC, where browsers become first-class netwo...
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Mar 9, 2025 · 7 min read · Configure and Secure SSH SSH- Stands for Secure Shell » Provides you with an interface to the Linux system. It takes in your commands and translate them to kernel to manage hardware. ($) » Normal User (#) » Root Logged in Open SSH is a package/...
Join discussionJan 30, 2025 · 1 min read · Introduction This article guides you in installing and configuring an Nginx on a server. Here we used an Elastic compute instance. Setting up an Nginx server on AWS EC2 can be challenging due to SSH and firewall issues. Here’s how I tackled them. La...
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Jan 23, 2025 · 5 min read · Introduction Firewalls are an essential component of network security, especially in Linux-based systems. In this guide, we will explore how to set up and configure firewalld, a powerful and flexible firewall management tool that is the default in ma...
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Sep 19, 2024 · 5 min read · Firewalls are crucial for maintaining the security of a Linux system. They act as barriers that filter incoming and outgoing network traffic based on predefined security rules. In Linux, there are several tools available to manage firewall rules, inc...
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Apr 8, 2024 · 9 min read · A firewall acts as a security guard for your computer’s network. It monitors the information going in and out, deciding what’s allowed and not. Therefore, understanding the firewall of your Linux system is an essential part of keeping it safe. Firewa...
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Mar 16, 2024 · 4 min read · In the complex ecosystem of software development, we often pigeonhole ourselves into niches, believing in a clear divide between coding and server management and troubleshooting. This perspective can leave a developer at a disadvantage when server-re...
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Nov 10, 2023 · 2 min read · Task Requirements : To secure our infrastructure in the Datacenter we have decided to install and configure Firewalld on all app servers. We have Apache and Nginx services running on these apps. Nginx is running as a reverse proxy server for Apache. ...
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Sep 8, 2023 · 6 min read · Introduction: Have you ever wondered how to fortify your Linux system's defenses against online threats? Have terms like "iptables" and "firewalld" left you scratching your head, unsure of where to start? Fear not! In this blog post, we're embarking ...
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