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N2H2 servers, 336–337
name command (PIX firewalls), 290
Name server, 691
nameif command (PIX firewalls), 246, 268
Names for administrators, 433
NAT. see Network Address Translation (NAT)
nat command (PIX firewalls), 278, 280–283
National Institute of Standards and Technology (NIST), 6
Need for firewalls, 129–130, 530
Negotiation, FTP, 244
neped tool, 30
NetBIOS interface, disabling, 823–824
Netcat testing tool, 178–182
NetFilter-1, 160
NetIQ, 979
NetMeeting (Microsoft), 330
NetShow, 324, 327
Network Address Translation (NAT)
clusters, 719–720
clusters with Nokia, 787–788
ClusterXL, 767
dynamic translation, configuring, 278–282
HA New mode (ClusterXL), 755–758
identity NAT, 282–284
ISA Server, 1006
manual versus automatic, 757–758
NAT bypass, 282–284
PIX 500 series firewalls, 252–254
proxy ARP entries, manual, 755
Solaris, firewall on, 235
virtual private networks (VPNs), 570
Network Address Translation (NAT) panel (FireWall-1), 521
Network analyzers, 29–31
Network architecture, 1199–1202
Network-based intrusion detection system (NIDS), 114, 1184
Network connections, assessing, 39
Network devices, protecting, 46–47
Network object groups, 298–299
Network objects, 493–494, 496–497, 564, 569
Network performance, 414–415
Network security threats, 12–13
Network switches or hubs, for clusters, 719
Network Time Protocol (NTP), 660–662, 722
Network Translations Inc., 252
Networking cards, 800
Networks
multiple service networks, 246
performance, 414–415
perimeter, 532, 536
starter, 539
switched, 1202–1203
sync or secured, 715
types, 539–540
see also Virtual private networks (VPNs)
newimage tool, 692–693
newpkg command (IPSO), 686–687, 723
Newsgroups and mailing lists, 1004–1005
NFR (Network Flight Recorder), 1184
NG FP3 version of FireWall-1, 721–726, 769
NIDS (network-based intrusion detection system), 114, 1184
Nimda worm, 6
NIST (U.S. National Institute of Standards and Technology), 6
NNTP server, 1134
Nokia
Feature Packs, 620–621
IP5x, 499
see also VPN-1/FireWall-1 NG on Nokia
Nokia enterprise firewall appliances
administration, 611–613
criteria for selection, 604–605
description, 69
Dynamic Host Configuration Protocol (DHCP), 611
IPSO operating system (Nokia), 605
model IP120, 605–606
model IP330 series, 606–607
model IP400 series, 607–608
model IP530 series, 608–609
model IP650 series, 609–610
model IP700 series, 610–611
Nokia Network Security Solutions Handbook, 791
Nokia Security Platform (NSP). see Clusters with Nokia; Configuration of FireWall-1; Configuration of Nokia Security Platform (NSP); Nokia enterprise firewall appliances
Nonrepudiation, 8
Ntop log tool, 208
NTP (Network Time Protocol), 660
Numbering interfaces for PIX, 371
NVRAM memory, 372
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