Index

port forwarding, see NAT port translation, see NAT port triggering 386

port triggering, see also policy routes prerequisites 104

table 98 traversal 501

trigger port, see also policy routes tutorial 165, 168

NAT loopback 99 navigation panel 50

NBNS 301, 327, 342, 352, 361, 514

NetBIOS

Broadcast over IPSec 474 Name Server, see NBNS.

NetBIOS Name Server, see NBNS

NetMeeting 434 see also H.323

Netscape Navigator 47 network access mode 42 full tunnel 43, 508 reverse proxy 42, 507

Network Address Translation, see NAT network list, see SSL 514

network policy, see VPN connections Network Time Protocol (NTP) 813 network-based intrusions 621 Nimda 621

Nmap 635

no IP options 608 No-IP 407

non-RFC characters 640 defined-char attack 640 HTTP-delimiter attack 640

NSSA 392

O

object

end-point security 799 object references 57 object-based configuration 91

objects 91, 110, 508

AAA server 749

addresses and address groups 731 authentication method 759 certificates 765

for configuration 91 introduction to 91 schedules 743

services and service groups 737 SSL application 791

users, user groups 715

obsolete-options attack 641 offset (patterns) 615 One-Time Password (OTP) 750

Online Certificate Status Protocol (OCSP) 785 vs CRL 785

Open Shortest Path First, see OSPF order of feature application 96

OSI (Open System Interconnection) 589, 593 OSI level-4 548

OSI level-7 548

OSPF 391

and Ethernet interfaces 296 and RIP 394

and static routes 394

and to-ZyWALL firewall 392 area 0 393

areas, see OSPF areas authentication method 296 autonomous system (AS) 391 backbone 393 configuration steps 395 direction 296

link cost 296 priority 296 redistribute 394

redistribute type (cost) 396, 397 routers, see OSPF routers virtual links 394

vs RIP 389, 391

OSPF areas 392

and Ethernet interfaces 296 backbone 392

Not So Stubby Area (NSSA) 392 stub areas 392

types of 392 OSPF routers 393

area border (ABR) 393

autonomous system boundary (ASBR) 394

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ZyWALL USG 300 User’s Guide