hping3 is a network tool able to send custom TCP/IP packets and to display target replies like ping program does with ICMP replies. hping3 handles fragmentation, arbitrary packets body and size and can be used in order to transfer files encapsulated under supported protocols. Using hping3 you are able to perform at least the following stuff:
- Test firewall rules
- Advanced port scanning
- Test net performance using different protocols, packet size, TOS (type of service) and fragmentation.
- Path MTU discovery
- Transferring files between even really fascist firewall rules.
- Traceroute-like under different protocols.
- Firewalk-like usage.
- Remote OS fingerprinting.
- TCP/IP stack auditing.
- A lot of others.
I've tried several traffic generators for Ubuntu, Fedora (and other) like scapy, NTG, Bit-Twist, but only hping meets my requirements. Recommended.
Example: to generate 100 packets per second TCP traffic to 192.168.0.1 with packets containing arbitrary destinations, just execute:
sudo aptitude install hping3
sudo hping3 --rand-dest --rand-dest --faster 192.168.0.1
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