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ZyWALL 5/35/70 Series User’s Guide
17 Table of Contents
19.7 ID Type and Content ......................................................................................307
19.7.1 ID Type and Content Examples ............................................................308
19.8 IKE Phases ....................................................................................................309
19.8.1 Negotiation Mode ..................................................................................310
19.8.2 Pre-Shared Key ....................................................................................310
19.8.3 Diffie-Hellman (DH) Key Groups ...........................................................311
19.8.4 Perfect Forward Secrecy (PFS) ...........................................................311
19.9 X-Auth (Extended Authentication) ..................................................................311
19.9.1 Authentication Server ...........................................................................311
19.15.1 Security Parameter Index (SPI) ..........................................................327
19.18 Telecommuter VPN/IPSec Examples ...........................................................333
19.18.1 Telecommuters Sharing One VPN Rule Example ..............................333
19.18.2 Telecommuters Using Unique VPN Rules Example ...........................334
19.19 VPN and Remote Management ...................................................................336
Chapter 20
Certificates............................................................................................................338
20.1 Certificates Overview .....................................................................................338
20.1.1 Advantages of Certificates ....................................................................339
20.2 Self-signed Certificates ..................................................................................339
20.3 Configuration Summary .................................................................................339
20.5.1 Certificate File Formats .........................................................................342
20.12 Verifying a Trusted Remote Host’s Certificate ..............................................357
20.12.1 Trusted Remote Host Certificate Fingerprints .....................................357
Chapter 21
Authentication Server..........................................................................................366
21.1 Authentication Server Overview .....................................................................366
21.1.1 Local User Database ............................................................................366
21.1.2 RADIUS ................................................................................................366
Chapter 22
Network Address Translation (NAT)...................................................................370
22.1 NAT Overview ................................................................................................370
22.1.1 NAT Definitions .....................................................................................370
22.1.2 What NAT Does ....................................................................................371
22.1.3 How NAT Works ...................................................................................371
22.1.4 NAT Application ....................................................................................372
22.1.5 Port Restricted Cone NAT ....................................................................373
22.1.6 NAT Mapping Types .............................................................................373
22.2 Using NAT ......................................................................................................374
22.2.1 SUA (Single User Account) Versus NAT ..............................................374
22.5 Port Forwarding ..............................................................................................379