Define Key Terms
Define the following key terms from this chapter and check your answers in the glossary:
active fingerprinting
CNAMEs
covert channel
demilitarized zone (DMZ)
denial of service (DoS)
echo reply
echo request
EDGAR database
initial sequence number (ISN)
Internet Assigned Numbers Authority (IANA)
intrusion detection system (IDS)
Nslookup
open source
passive fingerprinting
ping sweep
port knocking
script kiddie
social engineering
synchronize sequence number
Time to Live (TTL)
traceroute
Whois
zone transfer