ZyXEL Communications ZyWALL 10/10 User Manual page 17

Chapter 24 Call Scheduling .................................................................................................................. 24-1
24.1 Introduction .......................................................................................................................... 24-1
Chapter 25 Introduction to IPSec......................................................................................................... 25-1
25.1 Introduction .......................................................................................................................... 25-1
25.1.1 VPN.................................................................................................................................. 25-1
25.1.2 IPSec................................................................................................................................. 25-1
25.1.3 Security Association......................................................................................................... 25-1
25.1.4 Other Terminology ........................................................................................................... 25-1
25.1.5 VPN Applications............................................................................................................. 25-2
25.2 IPSec Architecture................................................................................................................ 25-3
25.2.1 IPSec Algorithms.............................................................................................................. 25-4
25.2.2 Key Management.............................................................................................................. 25-4
25.3 Encapsulation ....................................................................................................................... 25-5
25.3.1 Transport Mode ................................................................................................................ 25-5
25.3.2 Tunnel Mode .................................................................................................................... 25-5
25.4 IPSec and NAT..................................................................................................................... 25-5
Chapter 26 VPN/IPSec Setup................................................................................................................ 26-1
26.1 VPN/IPSec Setup ................................................................................................................. 26-1
26.2 IPSec Algorithms.................................................................................................................. 26-2
26.2.1 AH (Authentication Header) Protocol .............................................................................. 26-2
26.2.2 ESP (Encapsulating Security Payload) Protocol .............................................................. 26-2
26.3 IPSec Summary .................................................................................................................... 26-3
26.3.1 My IP Address.................................................................................................................. 26-4
26.3.2 Secure Gateway Address .................................................................................................. 26-4
26.4 IPSec Setup........................................................................................................................... 26-9
26.5 IKE Setup ........................................................................................................................... 26-12
26.5.1 IKE Phases ..................................................................................................................... 26-12
Table of Contents
ZYWALL 10/10 II/50 Internet Security Gateway
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