net/hping/pkg-descr


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hping is a command-line oriented TCP/IP packet assembler/analyzer. 
The interface is inspired to the ping(8) unix command, but hping isn't 
only able to send ICMP echo requests. It supports TCP, UDP, ICMP and 
RAW-IP protocols, has a traceroute mode, the ability to send files 
between a covered channel, and many other features. 
While hping was mainly used as a security tool in the past, it can be 
used in many ways by people that don't care about security to test 
networks and hosts. A subset of the stuff you can do using hping:
 
    - Test firewall rules
    - [spoofed] port scanning
    - Test net performance using different protocols,
      packet size, TOS (type of service) and fragmentation.
    - Path MTU discovery
    - Files transfering even between really fascist firewall rules.
    - Traceroute like under different protocols.
    - Firewalk like usage.
    - Remote OS fingerprint.
    - TCP/IP stack auditing.

WWW: http://www.hping.org/

-- Nicolas Jombart <Nicolas.Jombart@hsc-labs.com>