Note: gnu-netcat was last updated in 2004 will be removed with Core Update 172. netcat / ncat will continue to be updated.
netcat is the swiss army knife of a Network administrator. You can debug network connections, create connections which use TCP or UDP, read/write data to these connections and a lot more. ncat is the standard netcat of IPFire since Core 101.
netcat can be installed with the Pakfire WebUI or via the console:
pakfire install netcat