Index_E

E

e-mail

mail servers for, 68–69

network performance and, 46

network planning and, 17–18

securing mail servers, 128–129

EAP. See Extensible Authentication Protocol (EAP)

EAP-TLS. See Extensible Authentication Protocol-Transport Layer Security (EAP-TLS)

eavesdropping, 813

EDNSO (Extension Mechanisms for DNS), 351, 412

EFS. See Encrypted File System (EFS)

electromagnetic (EM) field, 801

electronic communications. See e-mail

emergency repair disk (ERD), 612, 842

Encapsulating Security Payload (ESP)

defined, 713

function of, 258

overview of, 719–720

tunnel mode, 772

encapsulation, VPN protocols, 307

Encrypted File System (EFS)

described, 22

function of, 63

international use of, 910

for securing file server, 122–124

encryption

backups and, 595

certificates and, 70–71

data encryption level for remote access, 512–513

with EFS, 122–124

IPSec, 715, 761–762

protocols for VPN security, 307–308

with Public Key Infrastructure, 70

reversible encryption for password storage, 825

strength, controlling, 527

for terminal servers, 131

VPN protocols for, 496–497

with VPN remote access, 488–489

with WEP, 802

WEP weakness, 815

wireless, 504–505

End User License (EULA), 843

#END_ALTERNATE tag, 420

Enforce Inheritance flag, 38

enforce password history option, 824

Enforce User logon restrictions setting, 825

enrollment, certificate, 887–897

enrollment station, smart card, 899

enterprise CAs

defined, 72

overview of, 882, 908

environmental threats, 91, 114

ERD (emergency repair disk), 612, 842

error detection, 687

Error event type, 585

ESP. See Encapsulating Security Payload (ESP)

Ethernet

switches vs. hubs on, 570

Token Ring networks and, 569–570

EULA (End User License), 843

event header, Event Viewer, 587–588

Event Log, 94

event log files

with Audit Policy function, 785

overview of, 626

settings, 823

storage of, 590–592

Event Logging tab, 415

Event Viewer

IPSec troubleshooting with, 754–755

for monitoring NLB, 687

server monitoring with, 584–592

exclamation mark (!), 107

explicit permissions, 788

extended rights, 787

extensible architecture, IAS, 309

Extensible Authentication Protocol (EAP)

authentication process, 804–805

described, 810

EAP-MD5, 511

EAP-MD5 CHAP, 316

EAP-MS-CHAPv2, 810

EAP over LAN (EAPOL), 805

EAP Over RADIUS, 512

EAP-RADIUS, 317

enabling authentication, 315–316

Remote Access Server, enabling on, 905

types for IAS authentication, 315

types supported by Windows Server 2003, 511–512

for wireless security, 802, 803

Extensible Authentication Protocol-Transport Layer Security (EAP-TLS)

computer certificate to use, 503

defined, 511

described, 316–317, 810

support of, 512

Extension Mechanisms for DNS (EDNSO), 351, 412

external DNS infrastructure, 411

external root certificate of authority, 871

external trusts, 793–794

extinction interval, 423, 447

extinction timeout, 447