NetFlow iptables module for Linux kernel
Ban IPs based on #failed login attempts (Systemd version)
blocklists for openbsd,freebsd,linux,iptables,bsd pf,pf,ipfilter
Lightweight and secure container and firewall manager.
Punch a temporary hole through your firewall to reach your network
Programmable completion code (bash) for ip[6]tables (netfilter.org)
Guacamole Remote Desktop Gateway Install Script
Open Source Log Management Solution
A VM for using Tor
Network Firewall Linux Kernel Module with Conflict Resolution Engine
NiceShaper provides dynamic traffic shaping for Linux router
Open source voucher management / hotspot system
OBX Openbox & Xfce4 Desktop
Firewall Management Script
Simulating bad network connections so you can build better systems
An on-path blackbox network traffic security testing tool
Docker implemented in around 100 lines of bash
Perform automated MITM (Man In The Middle) attacks.
Scripted service managing iptable blocks by ISO