User`s guide

ZyXEL MAX-200M1 Series User’s Guide
Table of Contents 15
Chapter 12
Firewall.................................................................................................................. 131
12.1 Firewall Overview ...........................................................................................131
12.1.1 Stateful Inspection Firewall. ..................................................................131
12.1.2 About the ZyXEL Device Firewall .........................................................131
12.1.3 Guidelines For Enhancing Security With Your Firewall ........................132
12.1.4 The Firewall, NAT and Remote Management .......................................132
12.1.4.1 LAN-to-WAN rules .......................................................................132
12.1.4.2 WAN-to-LAN rules .......................................................................133
12.2 Triangle Route ................................................................................................133
12.2.1 The “Triangle Route” Problem ..............................................................134
12.2.2 Solving the “Triangle Route” Problem ...................................................134
12.3 Firewall Screens .............................................................................................135
12.3.1 General Firewall Screen .......................................................................135
12.3.2 Firewall Services Screen ......................................................................136
Chapter 13
Phone Book .......................................................................................................... 139
13.1 Phone Book Overview ....................................................................................139
13.2 Phone Book Screens .....................................................................................139
13.2.1 Incoming Call Policy Screen .................................................................139
13.2.2 Speed Dial Screen ................................................................................141
Chapter 14
Content Filter........................................................................................................ 145
14.1 Content Filtering Overview .............................................................................145
14.2 Content Filtering Screens ...............................................................................145
14.2.1 Content Filter Screen ............................................................................145
14.2.2 Content Filter Schedule Screen ............................................................147
Chapter 15
Static Route .......................................................................................................... 149
15.1 Static Route Overview ....................................................................................149
15.2 Static Route Screens ......................................................................................149
15.2.1 IP Static Route Screen ..........................................................................149
15.2.2 IP Static Route Edit Screen ..................................................................150
Chapter 16
Remote MGMT ...................................................................................................... 153
16.1 Remote Management Overview .....................................................................153
16.1.1 Remote Management Limitations .........................................................153
16.1.2 Remote Management and NAT ............................................................154
16.1.3 System Timeout ....................................................................................154