ZyXEL Communications ZyWall USG 2000 User Manual page 18

Table of Contents
20.1 Overview .......................................................................................................................... 309
20.1.1 What You Can Do in the Firewall Screens ............................................................. 309
20.1.2 What You Need to Know About the Firewall .......................................................... 310
20.1.3 Firewall Rule Example Applications ....................................................................... 312
20.1.4 Firewall Rule Configuration Example ..................................................................... 315
20.2 The Firewall Screen ......................................................................................................... 317
20.2.1 Configuring the Firewall Screen ............................................................................. 318
20.2.2 The Firewall Edit Screen ........................................................................................ 321
20.3 The Session Limit Screen ................................................................................................ 323
20.3.1 The Session Limit Edit Screen ............................................................................... 324
Part IV: VPN .......................................................................................... 327
Chapter 21
IPSec VPN.............................................................................................................................. 329
21.1 IPSec VPN Overview ....................................................................................................... 329
21.1.1 What You Can Do in the IPSec VPN Screens ........................................................ 329
21.1.2 What You Need to Know About IPSec VPN ........................................................... 330
21.1.3 Before You Begin ................................................................................................... 332
21.2 The VPN Connection Screen .......................................................................................... 332
21.2.1 The VPN Connection Add/Edit (IKE) Screen ......................................................... 334
21.2.2 The VPN Connection Add/Edit Manual Key Screen .............................................. 341
21.3 The VPN Gateway Screen .............................................................................................. 345
21.3.1 The VPN Gateway Add/Edit Screen ...................................................................... 346
21.4 The VPN Concentrator Screen ........................................................................................ 354
21.4.1 The VPN Concentrator Add/Edit Screen ................................................................ 355
21.5 The SA Monitor Screen .................................................................................................. 357
21.6 IPSec VPN Background Information ............................................................................... 358
Chapter 22
SSL VPN................................................................................................................................. 371
22.1 Overview .......................................................................................................................... 371
22.1.1 What You Can Do in the SSL VPN Screens .......................................................... 371
22.1.2 What You Need to Know About SSL VPN .............................................................. 371
22.2 The SSL Access Privilege Screen ................................................................................... 373
22.2.1 The SSL Access Policy Add/Edit Screen .............................................................. 375
22.3 The SSL Connection Monitor Screen .............................................................................. 377
22.4 The SSL Global Setting Screen ....................................................................................... 378
22.4.1 How to Upload a Custom Logo .............................................................................. 380
22.5 Establishing an SSL VPN Connection ............................................................................. 381
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ZyWALL USG 2000 User's Guide