Various tools for network penetration testing. Please do not abuse them.

arpredirect  redirect packets from a target host (or all hosts) on the LAN
	     intended for another host on the LAN by forging ARP replies
findgw       determine the local gateway of an unknown network via passive
	     sniffing
macof        flood the local network with random MAC addresses
dsniff       simple password sniffer
mailsnarf    a fast and easy way to violate the Electronic Communications
             Privacy Act of 1986 (18 USC 2701-2711), be careful
urlsnarf     output all requested URLs sniffed from HTTP traffic in CLF
             (Common Log Format, used by almost all web servers), suitable
             for offline post-processing
webspy       sends URLs sniffed from a client to your local Netscape
             browser for display, a fun party trick

WWW: http://www.monkey.org/~dugsong/