CentralNotice From Wikipedia, the free encyclopedia Jump to: navigation , search This article contains instructions, advice, or how-to content . The purpose of Wikipedia is to present facts, not to train. Please help improve this article either by rewriting the how-to content or by moving it to Wikiversity , Wikibooks or Wikivoyage . (June 2016) netcat Developer(s) *Hobbit* Stable release 1.10 / 2 January 2007 ; 10 years ago ( 2007-01-02 ) Operating system Unix Type Network utility License Original version: custom, permissive license GNU Version: GPL OpenBSD Version: BSD Website nc110 .sourceforge .net Netcat (often abbreviated to nc ) is a computer networking utility for reading from and writing to network connections using TCP or UDP . Netcat is designed to be a dependable back-end that can be used directly or easily dri...