hping

Command-line oriented TCP/IP packet assembler and analyzer. Inspired by the ping command. More information: http://www.hping.org.

• Ping localhost over TCP:

hping3 {{localhost}}

• Ping an IP address over TCP on a specific port:

hping3 -p {{80}} -S {{192.168.1.1}}

• Ping an IP address over UDP on port 80:

hping3 --udp -p {{80}} -S {{192.168.1.1}}

• Scan a set of TCP ports on a specific IP address:

hping3 --scan {{80,3000,9000}} -S {{192.168.1.1}}

• Perform a charge test on port 80:

hping3 --flood -p {{80}} -S {{192.168.1.1}}