Index_O

O

Oakley key-determination protocol, 713, 724

object-based access control, 818

object classes, 86

object permissions, 787

objects

in directory, 58

Windows Server 2003 AD and, 82

offline files, 22

offload functions, hardware, 760–761

one-way initiation, 306

open authentication, 806

Open Shortest Path First (OSPF)

benefits over RIP, 229–230

configuring RRAS for, 255–257

as link-state protocol, 225–226

network types supported by, 231–232

process of, 230–231

router roles, 232–233

routing problems with, 275–276

Open Systems Interconnection (OSI) model

layers of, 237–239

overview of, 149

protocols and, 160–161

troubleshooting name resolution in, 452–453

operating system (OS)

backup, 120–121

choosing for server security, 79–81, 137

Connection Manager security and, 324–325

functional levels, 83–90

IPSec and, 710

security features, 81–83

support of VPN protocols, 496

operations master roles

described, 59–60

importance of, 62

infrastructure master, 61

PDC emulator, 61

relative ID master, 60

Option 044 WINS/NBNS Servers, 441

Option 046 WINS/NBT Node Type, 441

organizational needs

centralization vs. decentralization, 13–14

growth, planning for, 28–29

information flow factors, 11–12

for IPSec, 727

legal/regulatory considerations, 26–27

management model/organizational structure, 12

management priorities, 14–16

overview of, 11, 40–41

for remote access, 487

TCO, calculating, 27–28

user priorities, 17–26

organizational policies, 93

organizational structure, 12

Organizational Units (OUs)

AD and, 41–42

applying security template to, 109–110

defined, 73

Full Control permissions and, 786

IPSec policies and, 747

network planning and, 13

security policies set at, 135

OSI model. See Open Systems Interconnection (OSI) model

OSPF. See Open Shortest Path First (OSPF)

OUs. See Organizational Units (OUs)

out-of-band DoS attack, 406–407

Outlook, Microsoft, 831

output filters, 268–269

outsourced dialing, 318

ownership, 784