Salvatore Sanfilippo aka antirez

Hi, I'm Salvatore Sanfilippo, also known as antirez. I'm a computer programmer. I'm from Sicily, Italy. My home town is Campobello di Licata, but I live near Catania.

My email address is
Unfortunately I receive many emails and I'm not able to reply to every single email, I understand this sounds rough, but otherwise I would not work. If you don't get a reply the first time please try to resend your message if it is important.

I regularly write on my blog at I use Twitter a lot, my account is @antirez. I also have an Instagram account.


I mainly write open source code. You can find most of my code at Github.


More than a decade ago I was active in the field of computer security, and invented a scanning technique that is called idle scan (implemented by nmap).

Stuff I wrote


My current gravatar is the following. It may contain hints about how I look like at times.

GPG key fingerprint

E5F3 DA80 35F0 2EC1 47F9  020F 3181 3728 0E5C 88D6

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