packit - 1.8.1-1+b2 main

Packit (PACket toolKIT) is a network auditing tool. It uses libpcap
and can make real packages (frames) that are able to travel in a
network. Packit also allows one to add personalized payloads. Other
good feature is the possibility to read dump files created by
tcpdump.
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Packit has an ability to customize, inject, monitor and manipulate IP
traffic. By allowing you to define (spoof) nearly all TCP, UDP, ICMP,
IP, ARP, RARP, and Ethernet header options, Packit can be useful for
the following scenarios:
- tests in firewalls;
- tests in Intrusion Detection Systems (IDS);
- tests in Intrusion Prevention Systems (IPS);
- tests in proxies;
- tests in port scanning detectors;
- network traffic simulations;
- security tests; and
- general TCP/IP auditing and pentests.
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Packit is also an excellent tool for learning TCP/IP. However, this
program does not support IPv6.