This product is no longer maintained:
The author created alternative tools: https://databunker.org/ and https://privacybunker.io/
GreenSQL is a database firewall engine used to protect Open Source Databases from SQL injection attacks. It works in proxy mode. Application logic is based on evaluating of SQL commands using risk score factors, as well as blocking of sensitive commands
SynAckFlood protect your linux box from portscan attacks, make a ficticious responce parallel to kernel, and portscanner show you that all ports are openned