hping
network packet crafting tool that sends custom TCP, UDP, ICMP, or raw IP
TLDR
Send ICMP ping
$ hping3 -1 [host]
Send TCP SYN to port$ hping3 -S -p [80] [host]
Send UDP packets$ hping3 -2 -p [53] [host]
Traceroute mode$ hping3 --traceroute -1 [host]
Specify packet count$ hping3 -c [5] -1 [host]
Set source IP (spoofing)$ hping3 -a [source-ip] -S -p [80] [host]
Port scan$ hping3 -8 [1-100] -S [host]
SYNOPSIS
hping3 [options] host
DESCRIPTION
hping3 is a network packet crafting tool that sends custom TCP, UDP, ICMP, or raw IP packets and displays replies. Use it for firewall testing, port scanning, network performance testing, path MTU discovery, and OS fingerprinting. Supports packet fragmentation and arbitrary body content.
PARAMETERS
-1
ICMP mode (default echo request).-2
UDP mode.-S
TCP SYN flag.-p port
Destination port.-c count
Number of packets.-a address
Spoof source IP.-8 range
Port scan mode.--traceroute
Traceroute mode.-C type
Set ICMP type.-K code
Set ICMP code.
CAVEATS
Requires root privileges. Some features may be blocked by firewalls or IDS systems.
SEE ALSO
ping(1), nmap(1), traceroute(1)