UCS-2, 360
UDP packet, 351
UDP port 53, 412
UDP (
UNC (Universal Naming Convention), 338
Unencrypted Password, 314
unicast addresses, 213
unicast messages, 421
Uniform Resource Locator (URL), 62
Uninterruptible Power Supply (UPS), 114, 625
unique NetBIOS
universal
Universal Naming Convention (UNC), 338
universal security groups, 87
Universal Transformation Format-8 (UTF-8), 360
UNIX, 399–400
updates
convergence time and, 427
from Microsoft Windows Update Web site, 115–117
with Software Update Services, 837–847
WINS change-only replication and, 428
See also dynamic updates; security update infrastructure
upgrades
hardware, 29
server, 43
testing, 34
UPS (Uninterruptible Power Supply), 114, 625
URL (Uniform Resource Locator), 62
US-ASCII, 359–360
user
access, 118
authentication, 308–309, 800
authorization, 784
authorizing remote access by, 516–518
enabling remote access by, 493–494
locations, network planning and, 11
logon restrictions, 825
managing remote access by, 532
priorities, network planning and, 17–26
remote access needs, 487
restricting remote access by, 521
user account
network testing and, 31
security, 796–797
security scenarios, 798–800
user certificates, 497, 870, 896
User Datagram Protocol (UDP), 162
user rights
assigning, 826–827
for
IPSec policies and, 742
user ticket, 825
UTF-8 (Universal Transformation Format-8), 360
verification interval, 447
version ID
NetBIOS
WINS replication and, 428, 473
video services, 26
virtual LAN (VLAN), 503
virtual memory (VM), 561–562
virtual private network (VPN)
adding
configuring VPN connection from client computer, 266–267
connections, CMAK’s support of, 324
data encryption level for, 512–513
Internet-based VPNs, 301–303
IPSec encryption and, 715
packet filtering for, 269
protocols, 306–307, 328, 496–497
remote access, 488–489, 529
remote access with smart cards, 903–905
router-to-router VPNs, 263, 267–268, 303–306
security, 307–308
summary of, 326, 327
tunnels, 382
Windows Server 2003 VPN Server, installing, 263–265
virtual private network (VPN) remote access design, 495–500
access policies for, 500
computer certificates, installing, 497–499
firewall filters, configuring, 499–500
in general, 495
summary of, 530
VPN protocol selection, 496–497
virtual private network (VPN) server
firewall filters for, 499–500
role, 57
virtual server
in hot-standby server/N+1 deployment option, 650–651
in N-node failover pairs, 648, 649
in single node server cluster, 644–645
in single quorum device server cluster, 646
virtualization, 625
See also clustering
virus, 117
VLAN (virtual LAN), 503
VM (virtual memory), 561–562
VMware, 30
VMware Workstation 4.0, 353
volume shadow copy
described, 22
system file backup with, 599
VPN. See virtual private network (VPN)
vulnerabilities, 115