bofhwall – Bastard Operator From Hell Firewall.

(BOFHWALL)Bastard Operator From Hell Firewall can send message to online port scanners, like: Shodan scanners, raw port scanners, port analyzers.
You can redirect some ports or all ports to the BOFH Firewall by using iptables rules.
Default IP: 127.0.0.1
Default Port: 8080

bofhwall

Features:
+ IPv4, IPv6 compatibility
+ Listen to a specific port
+ Can customize excuses.txt

Built on:
+ Python 3
+ Notepad++

testing raw connection using netcat

Tested on:
– Windows 10 v1703 (build 15063)
– Raspberry Pi 3, Debian 7-8 & Ubuntu LTS 14.04

usage:

git clone https://github.com/RomelSan/bofhwall && cd bofhwall
python3 bofhwall.py

Console :open new tab again
nc localhost 8080 to test raw connection using netcat

Source: https://github.com/RomelSan