nemesis is a command-line UNIX network packet injection suite.

supported protocols: TCP, UDP, ICMP, ARP/RARP, IGMP, DNS,
                     RIP, and OSPF

"Nemesis attacks directed through fragrouter could be a most
powerful combination for the system auditor to find security
problems that could then be reported to the vendor(s), etc."
	- Curt Wilson in Global Incident Analysis Center Detects Report
		(SANS Institute - Nov 2000)