Index

N

NAT 285, 309

1 to 1 example 313

address mapping. See policy routes. ALG. See ALG.

and address objects 282 and ALG 326

and policy routes 278, 282 and VPN 377

and VPN. See also VPN.

port forwarding. See virtual servers. port translation. See virtual servers. port triggering. See also policy routes. port triggering. See also port triggering. traversal 377

trigger port. See also policy routes.

NBNS 213, 239, 254, 261, 268, 389

NetBIOS Name Server. See NBNS. NetMeeting. See H.323.

network access mode 61 full tunnel 61, 386 reverse proxy 61, 385

Network Address Translation. See NAT. network list, see SSL 389

network policy. See VPN connections. Network Time Protocol (NTP) 668 network-based intrusions 509 Nimda 509

Nmap 523

no IP options 500 No-IP see DDNS. 303 non-RFC characters 527 non-rfc-http-delimiter 527

O

object-based configuration 109

objects 109, 121, 386 AAA server 625

addresses and address groups 607 authentication method 635 certificates 639

schedules 619

services and service groups 613 SSL application 657

users, user groups 593 obsolete-options attack 528 offset (patterns) 505

Online Certificate Status Protocol (OCSP) 655 vs CRL 655

Open Shortest Path First. See OSPF. open software announcements 845

OPT 214, 336 zone 125

original setting (IDP) 492

OSI (Open System Interconnection) 483, 487

OSPF 212, 289

and Ethernet interfaces 208 and RIP 291

and static routes 291

and to-ZyWALL firewall 289 area 0 290

areas. See OSPF areas. authentication method 208 autonomous system (AS) 289 backbone 290 Configuration steps 292 direction 208

link cost 208 priority 208 redistribute 291 redistribute type (cost) 293 routers. See OSPF routers. virtual links 291

vs RIP 287

OSPF areas 289, 290

and Ethernet interfaces 208 backbone 289

Not So Stubby Area (NSSA) 290 stub areas 290

types of 289

OSPF routers 290

area border (ABR) 291

autonomous system boundary (ASBR) 291 backbone (BR) 291

backup designated (BDR) 291 designated (DR) 291 internal (IR) 290

link state advertisements priority 291

types of 290

outgoing bandwidth 210, 230, 252 oversize-chunk-encoding 528 oversize-len attack 528 oversize-offset attack 528 oversize-request-uri-directory 528

P

packet inspection signatures 487, 490 packet scan 470, 821

packet statistics 180, 181 padding 500

 

893

ZyWALL USG 100/200 Series User’s Guide