Tag feed

#ufw

23 posts1 followers

Explore Hashnode

Alternatives

Trending tags this week

MAMuhammad Alfian Tirta Kusumablog-alfian.hashnode.devApr 18 · 3 min read

Controlling Port Access with UFW

UFW (Uncomplicated Firewall) is a user-friendly front end for iptables designed to make managing a host-based firewall simpler. It’s available on Debian/Ubuntu and many other Linux distributions and p

0

SPSaad Patelsaad-patel.hashnode.devDec 17, 2025 · 6 min read

🐧 Day 6: Linux Security, SSH, and Automation Basics

Purpose This document introduces essential Linux security concepts every DevOps engineer must understand. It focuses on secure access using SSH, basic firewall awareness, and the automation mindset re

0

GKGanesh Kumarganesh-kumar.hashnode.devNov 7, 2025 · 6 min read

How To Fix Docker and UFW Security Flaws

Hello, I'm Ganesh. I'm working on FreeDevTools online, currently building a single platform for all development tools, cheat codes, and TL; DRs — a free, open-source hub where developers can quickly find and use tools without the hassle of searching ...

0

ACAlex Callejasrootzilopochtli.comOct 22, 2025 · 6 min read

Introducción a la Seguridad y el Firewall: El Guardián de tu Sistema Linux 🔒

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...

0

AHAymen Hammacheblog.aymenhammache.frAug 20, 2025 · 1 min read

Tutoriel : Monter un Serveur Web sous Ubuntu avec Apache

Prérequis Ubuntu Server installé (peut importe le support) Un utilisateur avec les droits sudo Une connexion au réseau (local ou Internet) Installation d’Apache2 sudo apt update && sudo apt upgrade -y sudo apt install apache2 -y Vérificati...

0

ARAndrii Randriisec.hashnode.devAug 20, 2025 · 4 min read

Understanding Apache Logs, UFW, and Fail2Ban in Ubuntu

Today I took a big step in diving into how Linux systems manage and store logs, and how those logs can tell us a story about what’s happening on a server. At first, logs felt like just endless lines of confusing text, but once you break them down, th...

0

APAnandhu P Alogs-of-devops.hashnode.devJul 4, 2025 · 6 min read

🚀 My DevOps Journey — Week 5: Scripting, Projects & Deepening Linux Mastery

🚀 My DevOps Journey — Week 5: Scripting, Projects & Deepening Linux Mastery 🗓️ Day 1: Shell Scripting for Beginners — Finished in a Day! Week 5 kicked off with a swift start: I completed the entire Shell Scripting for Beginners course by KodeKloud...

0

VRVikas Rajpurohitheydevops200.hashnode.devJul 1, 2025 · 2 min read

🔒 How to Secure Jenkins Access on Linux with UFW (Allow Only Office IP)

Author: Vikas RajpurohitPurpose: Secure Jenkins (port 8080) by allowing access only from office Wi-Fi (static IP: xx.xx.xxx.xx) and denying all other external access. ✅ Objective Jenkins is running on port 8080. Office public IP is xx.xx.xxx.xx (s...

0

APAnandhu P Alogs-of-devops.hashnode.devJun 27, 2025 · 10 min read

🚀 My DevOps Journey — Week 4: From Kernel Tuning to Network and Storage Mastery

📅 Day 1: Kernel Tweaks and SELinux Madness Begins Week 4 began with the kind of deep, under-the-hood Linux stuff that makes you feel like you're really learning systems. 🧠 I started with tweaking kernel runtime parameters using sysctl. It amazed me...

0

AAAbhinav Agarwallasoishell.hashnode.devMar 18, 2025 · 6 min read

Automated Firewall Management using Docker and Cron

Simulating automated firewall configuration using Docker, cron jobs, and UFW to ensure consistent security policies across multiple server roles Introduction Managing firewall rules across multiple servers can be tedious, especially in dynamic envir...