polarbearscan is an try to do sooner and extra environment friendly banner grabbing and port scanning. It combines two other concepts which with a bit of luck will make it quite worthy of your consideration and time.
The primary of those concepts is to make use of stateless SYN scanning the use of cryptographically safe cookies to parse incoming acknowledgements. To the most efficient of the creator’s wisdom this method was once pioneered by means of Dan Kaminsky in scanrand. Scanrand was once itself a part of Paketto Keiretsu, a choice of scanning utilities, and it was once launched someplace in 2001-2002.