Index_D

D

data files, viruses and, 107

Data link layer, OSI reference model, 29

Data link (MAC) layer, TCP/IP model, 29, 30

data protection, backup systems, 219–228

data rate, 8

data threats, 217–219

DDoS (distributed denial of service) attacks, 70

decibels, antenna gain, 140

decryption, 168

DEFCON hacking convention, 53

demultiplexing, encapsulation and, 34

DHCP (Dynamic Host Configuration Protocol)

access points and, 193

definition, 250

disabling, 193

ICS (Internet Connection Sharing) and, 133, 194

introduction, 32

IP addresses and, 38–39

IP addresses assignment, 193

problems, 194

security and, 193–197

services, access points and, 11

wardriving and, 94–95

differential backups, 220

digital certificates, 177–178

digital envelope, public key systems, 175

digital signatures, one-way-hash function, 176–177

directional antennas, 133

disassociate frames, 61, 73

disassociation messages, DoS attacks, 61

distributed denial of service attack (DDoS), 70

diversity antenna system, multipath interference and, 127

DMZ (demilitarized zone), security and, 210–211

DNS (Domain Name System), 32

DoC (Dis Org Crew), 58

domain names, 39–40

DoS (denial of service) attacks

accidental, 71

bots and, 116

definition, 250

disassociate frames, 73

disassociation messages and, 61

exposing, 70–74

FakeAP, 74

networking device flaws and, 71

session hijacking and, 61

strong signal jamming, 73–74

WPA, 72–73, 182–183

drive-by downloads, 152–154

drivers, optimization and, 146

DSS (Digital Spread Spectrum), cordless phones and, 164

DSSS (Direct Sequence Spread Spectrum), interference and, 129

dual-band devices, 16

dust accumulation, hardware failure and, 218