1. The ethereal network analyzer. http://www.ethereal.com. The ethereal network analyzer. http://www.ethereal.com.
2. The network simulator - ns-2. http://www.isi.edu/nsnam/ns/. The network simulator - ns-2. http://www.isi.edu/nsnam/ns/.
3. Opnet network simulator. http://www.opnet.com. Opnet network simulator. http://www.opnet.com.
4. tcpdump network sniffer. http://www.tcpdump.org. tcpdump network sniffer. http://www.tcpdump.org.
5. The networks course