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Table of Contents
P-2302HWUDL-P1 Series User’s Guide
16
13.9.3 Configuration Details: Incoming ............................................................................. 174
13.9.4 Call Progression ..................................................................................................... 175
Part IV: Security ................................................................................... 177
Chapter 14
Firewall................................................................................................................................... 179
14.1 Firewall Overview ............................................................................................................ 179
14.1.1 Stateful Inspection Firewall. ................................................................................... 179
14.1.2 About the ZyXEL Device Firewall ........................................................................... 179
14.1.3 Guidelines For Enhancing Security With Your Firewall .......................................... 180
14.1.4 The Firewall, NAT and Remote Management ........................................................ 180
14.2 Triangle Route ................................................................................................................. 181
14.2.1 The “Triangle Route” Problem ................................................................................ 181
14.2.2 Solving the “Triangle Route” Problem .................................................................... 182
14.3 Firewall Screens .............................................................................................................. 183
14.3.1 General Firewall Screen ......................................................................................... 183
14.3.2 Firewall Services Screen ........................................................................................ 184
Chapter 15
Content Filter......................................................................................................................... 187
15.1 Content Filtering Overview .............................................................................................. 187
15.2 Content Filtering Screens ................................................................................................ 187
15.2.1 Content Filter Screen ............................................................................................. 187
15.2.2 Content Filter Schedule Screen ............................................................................. 189
Part V: Management............................................................................. 191
Chapter 16
Static Route ........................................................................................................................... 193
16.1 Static Route Overview .....................................................................................................193
16.2 Static Route Screens ....................................................................................................... 193
16.2.1 IP Static Route Screen ........................................................................................... 193
16.2.2 IP Static Route Edit Screen .................................................................................... 194
Chapter 17
Bandwidth MGMT..................................................................................................................197
17.1 Bandwidth Management Overview .................................................................................. 197
17.1.1 Bandwidth Classes and Filters ............................................................................... 197
17.1.2 Proportional Bandwidth Allocation ......................................................................... 198