ZyXEL Communications NBG-419N v2 - Chapter 20 Firewall; Chapter 21 Content Filter; Chapter 22 Bandwidth Management

Table of Contents
NBG-419N v2 User’s Guide
11
24.1 Overview ......................................................................................................................................171
24.2 What You Can Do .........................................................................................................................171
24.3 What You Need to Know ...............................................................................................................171
24.3.1 NAT Traversal ......................................................................................................................171
24.3.2 Cautions with UPnP .............................................................................................................172
24.4 UPnP Screen ...............................................................................................................................172
24.5 Technical Refereance ....................................................................................................................172
24.5.1 Using UPnP in Windows XP Example .................................................................................172
24.5.2 Web Configurator Easy Access ...........................................................................................175
Chapter 25
Maintenance......................................................................................................................................179
25.1 Overview .......................................................................................................................................179
25.2 What You Can Do .........................................................................................................................179
25.3 General Screen .............................................................................................................................179
25.4 Password Screen ..........................................................................................................................180
25.5 Time Setting Screen ......................................................................................................................181
25.6 Firmware Upgrade Screen ............................................................................................................182
25.7 Configuration Backup/Restore Screen ..........................................................................................184
25.8 Reset/Restart Screen ....................................................................................................................185
25.9 System Operation Mode Overview ...............................................................................................185
25.10 Sys OP Mode Screen ..................................................................................................................187
Chapter 26
Troubleshooting................................................................................................................................189
26.1 Power, Hardware Connections, and LEDs ....................................................................................189
26.2 Router Access and Login ..............................................................................................................190
26.3 Internet Access .............................................................................................................................191
26.4 Resetting the Router to Its Factory Defaults .................................................................................193
26.5 Wireless Router/AP Troubleshooting ............................................................................................193
26.6 ZyXEL Share Center Utility Problems ...........................................................................................194
Appendix A Pop-up Windows, JavaScript and Java Permissions ...................................................197
Appendix B IP Addresses and Subnetting.......................................................................................209
Appendix C Setting Up Your Computer’s IP Address......................................................................219
Appendix D Wireless LANs..............................................................................................................247
Appendix E Common Services........................................................................................................261
Appendix F Legal Information..........................................................................................................265
Index ..................................................................................................................................................273