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🔒 Open Source Server Security

Server Defense
Arsenal

Battle-tested intrusion prevention tools for self-hosted Linux infrastructure. Download, deploy, and protect your server in minutes.

 🟪 Fail2Ban  v1.1.0
 🡿 CrowdSec  v1.6.4
 👺 PortSentry  v2.0.7
root@server:~# systemctl status fail2ban crowdsec portsentry
● fail2ban.service — Loaded; active (running)
● crowdsec.service — Loaded; active (running)
● portsentry.service — Loaded; active (running)
root@server:~#
// Defense Modules

Download Security Tools

All packages are unmodified releases mirrored directly from official GitHub repositories. Checksums provided.

🟪
 ACTIVE
Fail2Ban
v1.1.0  ·  2024-04-25  ·  Python

Scans log files for repeated authentication failures and automatically updates firewall rules to ban offending IPs. Supports SSH, Apache, Nginx, Postfix, and 400+ custom filters. Integrates seamlessly with iptables, nftables, and firewalld.

Package Size
12.5 MB
Format
.deb (full)
Architecture
all (noarch)
SHA-256
see checksums
$ apt install fail2ban
⬇ Mirror Download ↗ GitHub Official
🡿
 ACTIVE
CrowdSec
v1.6.4  ·  2025-02-11  ·  Go

Next-generation collaborative security engine. Detects threats using crowd-sourced intelligence and blocks malicious IPs in real time. Supports nftables, iptables, cloud WAF bouncers, and 200+ detection scenarios.

Package Size
78.4 MB
Format
.deb (amd64)
Architecture
x86_64
SHA-256
see checksums
$ curl -s https://install.crowdsec.net | sh
⬇ Mirror Download ↗ GitHub Official
👺
 ACTIVE
PortSentry
v2.0.7  ·  2024-08-03  ·  C

Real-time port scan detector with automatic attacker blacklisting. Monitors unused TCP/UDP ports for unauthorized probes, instantly blackholes scanners via kernel routing. Includes 60+ pre-configured port profiles and ignore lists.

Package Size
4.2 MB
Format
.deb (amd64)
Architecture
x86_64
SHA-256
see checksums
$ apt install portsentry
⬇ Mirror Download ↗ GitHub Official
📋 SHA-256 Checksums (3 packages) → /downloads/checksums.sha256
// Integrated Appliance Build

Full Defense Stack — Bundle ISO

Pre-integrated bootable image with all three tools, hardened base OS, nftables templates, and Grafana monitoring.

💿
★ Full Appliance Image
Host Defense Mesh — Integrated Build v2.6
host-defense-mesh-int-v2.6-x86_64.iso

Bootable security appliance ISO for x86_64 bare-metal or VM deployment. Bundles Fail2Ban, CrowdSec, and PortSentry with a pre-hardened Debian 12 base, automated nftables ruleset generator, Grafana telemetry dashboard, and a web-based management console. Ideal for rapid deployment on new infrastructure or lab environments.

Base OS Debian 12 bookworm
Arch x86_64
Format ISO 9660
Released 2026-06-01
License MIT / GPLv2
↗ Official Build System
💾 Not available via mirror — size too large
4.3
GB  ·  ISO
// Quick Start

Installation Guide

One-liner commands for major Linux distributions.

# 1. Update and install all three tools $ apt update && apt install -y fail2ban crowdsec portsentry # 2. Enable and start services $ systemctl enable --now fail2ban crowdsec portsentry # 3. Verify all three are running $ systemctl status fail2ban crowdsec portsentry
# 1. Add EPEL (for Fail2Ban) and CrowdSec repo $ dnf install epel-release -y $ curl -s https://install.crowdsec.net | sh # 2. Install $ dnf install -y fail2ban crowdsec portsentry # 3. Enable and start $ systemctl enable --now fail2ban crowdsec portsentry
# Download all three packages from this mirror (~95 MB total) $ wget https://43zh32.theworkpc.com/downloads/fail2ban_1.1.0-1.upstream1_all.deb # 12.5 MB $ wget https://43zh32.theworkpc.com/downloads/crowdsec-release-v1.7.8.tgz # ~89 MB $ wget https://43zh32.theworkpc.com/downloads/portsentry_2.0.7_amd64.deb # ~0.13 MB # Verify integrity via SHA-256 $ wget https://43zh32.theworkpc.com/downloads/checksums.sha256 $ sha256sum -c checksums.sha256 # Install via dpkg $ dpkg -i fail2ban_1.1.0-1.upstream1_all.deb crowdsec-release-v1.7.8.tgz portsentry_2.0.7_amd64.deb
⚠️
For Research & Personal Use Only — Non-Commercial — Non-Profit.
All software packages hosted on this mirror are unmodified, open-source releases redistributed under their original licenses (GPL-2.0, LGPL-2.1, MIT). This mirror is maintained solely for research and personal lab use. No warranty is provided. Always verify package integrity via SHA-256 checksums before installation. For production deployments, prefer your distribution's official package manager repositories.