Salvatore Sanfilippo

Salvatore Sanfilippo (born 7 March 1977 in Sicily, Italy),

Sanfilippo is also the author of several other open-source projects, including the network security tools hping and the Idle scan discovery method. He has an active YouTube channel in English and Italian.

Career

Computer Security While working in computer security, Sanfilippo developed and released several influential tools under the alias "antirez".

hping: An open-source packet generator and analyzer for the TCP/IP protocol. It is used for security auditing and testing of firewalls and networks. and it was later implemented in security scanners like Nmap. The project's creation was motivated by his attempt to improve the scalability of his Italian startup, LLOOGG, a real-time web log analyzer. During this time, the project's development was sponsored by VMware (2010–2013), Pivotal Software (2013–2015), citing a desire to pursue other projects and a dislike for the maintenance-focused phase of the project's life. He passed leadership to Yossi Gottlieb and Oran Agra. Following his return, he developed and implemented a new data structure for the database, the Vector Set, designed for vector similarity search.

Other Notable Projects

Sanfilippo is a prolific open-source developer. Some of his other well-known projects include:

Kilo: A small text editor written in less than 1000 lines of ANSI C code, which serves as a popular educational resource for learning C. Dump1090: A popular command-line ADS-B Mode S decoder for RTL-SDR software-defined radio devices. Linenoise: A minimal, self-contained alternative to the GNU Readline library. Disque: A distributed, in-memory message broker. Jim Tcl: An open-source small-footprint implementation of the Tcl programming language, used in many embedded environments. DwarfStar 4 is a local AI engine developed for DeepSeek V4 Flash, but it is not limited to that model.

Writing and Media

Sanfilippo is also a fiction author. His first science fiction novel, Wohpe, was published in Italy in 2022. An official English translation exists. This includes a complete course on programming in the C language.