A web client port-scanner written in GO, that supports the WASM/WASI interface for Browser WebAssembly runtime execution.

Layer 4 Single Packet Authentication Linux kernel module utilizing Netfilter hooks and kernel supported Berkeley Packet Filters (BPF)

A port knocking client for Android

🚪👊 Yet another port knock client

Hybrid Port Knocking System

A simple Python port knocker

Bash script for knocking on TCP and UDP ports. No dependencies.

A poor man's firewall framework