Internet & Intranet Security

data confidentiality service, 73

Data Encryption Standard (DES), 88

data integrity mechanism, 77

data integrity service, 74

data origin, authentication service, 73

data validation and certification server, 347

data validation certificate, 347

data-driven attack, 197

Defense Advanced Research Projects Agency (DARPA), 12

Defense Message System, 324

degradation of service, 62

delta CRL, 350

demilitarized zone (DMZ), 187

denial of service, xv, 59

deoxyribonucleic acid, 83

Department of Commerce (DoC), 105

dial-up client, 209

dial-back system, 118

differentiated service, 39

digest authentication, 292

digital envelope, 98

digital signature giving message recovery, 92

digital signature mechanism, 76

digital signature scheme, 92

Digital Signature Standard (DSS), 97

digital signature with appendix, 92

direct trust model, 94

directory information tree (DIT), 95

Distance Vector Protocol, 43

distinguished encoding rules, 341

distinguished name, 94, 339

Distributed Computing Environment (DCE), 296

distributed denial of service, xv, 60

distributed system, 4

DNS security, 63, 293

DNSSEC, 293

domain name system (DNS), 51

domain of interpretation, 243

draft international standard, 28

Drawbridge, 153

dual-homed firewall, 182

dual-homed host, 182

dynamic packet filtering, 137, 157