It can not only send ICMP echo requests, it can also support TCP, UDP, ICMP and RAW-IP protocol, it has a route tracking mode, the file can be transferred between the two channels mutually inclusive. hping a security audit, firewall testing standard work tools. The latest version is hping3, tcl scripting support the use of automated calling its API. Hping open source tools for generating and parsing TCPIP protocol packets.