ZyXEL Communications ZyWALL USG 300 User Manual page 14

Table of Contents
6.6.5 Set Up MSN Policies ................................................................................................ 129
6.6.6 Set Up Firewall Rules ............................................................................................... 130
6.7 How to Configure Service Control ..................................................................................... 131
6.7.1 Allow HTTPS Administrator Access Only From the LAN ......................................... 131
6.8 How to Allow Incoming H.323 Peer-to-peer Calls ............................................................. 134
6.8.1 Turn On the ALG ...................................................................................................... 135
6.8.2 Set Up a Virtual Server Policy For H.323 ................................................................. 135
6.8.3 Set Up a Firewall Rule For H.323 ............................................................................ 136
6.9 How to Use Active-Passive Device HA ............................................................................. 137
6.9.1 Before You Start ....................................................................................................... 138
6.9.2 Configure Device HA on the Master ZyWALL .......................................................... 139
6.9.3 Configure the Backup ZyWALL ................................................................................ 140
6.9.4 Deploy the Backup ZyWALL .................................................................................... 141
6.9.5 Check Your Device HA Setup .................................................................................. 142
6.10 How to Allow Public Access to a Server .......................................................................... 142
6.10.1 Create the Address Objects ................................................................................... 142
6.10.2 Configure a Virtual Server ...................................................................................... 143
Chapter 7
Status ..................................................................................................................................... 145
7.1 Overview ............................................................................................................................ 145
7.1.1 What You Can Do in the Status Screens .................................................................. 145
7.2 The Status Screen ............................................................................................................. 146
7.2.1 The CPU Usage Screen ........................................................................................... 152
7.2.2 The Memory Usage Screen ..................................................................................... 153
7.2.3 The Session Usage Screen ..................................................................................... 154
7.2.4 The VPN Status Screen ........................................................................................... 155
7.2.5 The DHCP Table Screen .......................................................................................... 156
7.2.6 The Port Statistics Screen ........................................................................................ 157
7.2.7 The Port Statistics Graph Screen ............................................................................. 158
7.2.8 The Current Users Screen ....................................................................................... 159
Chapter 8
Registration ........................................................................................................................... 161
8.1 Overview ............................................................................................................................ 161
8.1.1 What You Can Do in the Registration Screens ........................................................ 161
8.1.2 What you Need to Know About Service Registration ............................................... 161
8.2 The Registration Screen .................................................................................................... 163
8.3 The Service Screen ........................................................................................................... 165
Chapter 9
Signature Update .................................................................................................................. 167
9.1 Overview ............................................................................................................................ 167
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ZyWALL USG 300 User's Guide