ZyXEL Communications 100 Series, 200 Series Part IV: VPN, Part III: Firewall

Table of Contents
17.1.2 What You Need to Know About HTTP Redirect .....................................................		322
17.2	The HTTP Redirect Screen .............................................................................................	322
17.2.1 The HTTP Redirect Edit Screen .............................................................................		323
Chapter 18
ALG ........................................................................................................................................		325
18.1	ALG Overview .................................................................................................................	325
18.1.1 What You Can Do in the ALG Screen ....................................................................		325
18.1.2 What You Need to Know About ALG .....................................................................		326
18.1.3 Before You Begin ...................................................................................................		328
18.2	The ALG Screen ..............................................................................................................	328
18.3	ALG Technical Reference ................................................................................................	330
Part III: Firewall ....................................................................................		333
Chapter 19
Firewall.................................................................................................................................		335
19.1	Overview ..........................................................................................................................	335
19.1.1 What You Can Do in the Firewall Screens .............................................................		335
19.1.2 What You Need to Know About the Firewall ..........................................................		336
19.1.3 Firewall Rule Example Applications .......................................................................		338
19.1.4 Firewall Rule Configuration Example .....................................................................		340
19.2	The Firewall Screen .........................................................................................................	343
19.2.1 Configuring the Firewall Screen .............................................................................		343
19.2.2 The Firewall Edit Screen ........................................................................................		346
Part IV: VPN ..........................................................................................		349
Chapter 20
IPSec VPN..............................................................................................................................		351
20.1	IPSec VPN Overview .......................................................................................................	351
20.1.1 What You Can Do in the IPSec VPN Screens ........................................................		351
20.1.2 What You Need to Know About IPSec VPN ...........................................................		352
20.1.3 Before You Begin ...................................................................................................		352
20.2	The VPN Connection Screen ..........................................................................................	353
20.2.1 The VPN Connection Add/Edit (IKE) Screen .........................................................		355
20.2.2 The VPN Connection Add/Edit Manual Key Screen ..............................................		360
20.3 The VPN Gateway Screen ..............................................................................................		363
20.3.1 The VPN Gateway Add/Edit Screen ......................................................................		364
20.4	The VPN Concentrator Screen ........................................................................................	369
18	ZyWALL USG 100/200 Series User’s Guide