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Aetherinox

csf-firewall

Aetherinox

A community-maintained fork of ConfigServer Security & Firewall (CSF) — a robust Linux iptables/nftables firewall with a free ipset blocklist service.

15.10
Published at
Feb 28, 2026
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Oct 4, 2026

The author no longer ships through GitHub Releases, but the repository is still active (last push Sep 27, 2026). Get the latest version from: Project homepage

Latest release

15.10Feb 28, 2026, 01:08 AM
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README

Project Overview

This is a community-maintained fork of ConfigServer Security & Firewall (CSF) — a robust Linux iptables/nftables firewall with a free ipset blocklist service.

Key Features

  • Firewall & Network Security: iptables/nftables-based Linux firewall
  • Login & User Monitoring
  • Alerts & Notifications
  • Intrusion Detection & Exploit Protection
  • Management & Control
  • IP Sets / Blocklist: Official blocklists, risk assessments, privacy lists, spam lists, and more

Target Audience

  • Linux server administrators
  • DevOps engineers who need robust firewall and intrusion detection
  • Self-hosting users who value server security

Quick Start

  1. Refer to the installation guide
  2. Install dependencies and download CSF
  3. Run pre-installation tests
  4. Execute installation
  5. Disable test mode and start services

Core Advantages

  • Actively maintained community fork
  • iptables/nftables-based, flexible and powerful
  • Includes free ipset blocklist service
  • Comprehensive intrusion detection and exploit protection

System Requirements

  • OS: Linux

Release history

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