ZyXEL Communications Prestige 660W Series User Manual page 20

Prestige 660W/HW Series User's Guide
................................................................................................................................7-11
Figure 7-5 WAN Backup
Figure 7-6 Advanced WAN Backup..............................................................................................................7-14
Figure 7-7 ...............................................................................................................7-19
Advanced Modem Setup
Figure 8-1 How NAT Works...........................................................................................................................8-2
Figure 8-2 NAT Application With IP Alias .....................................................................................................8-3
Figure 8-3 Multiple Servers Behind NAT Example........................................................................................8-6
Figure 8-4 NAT Mode.....................................................................................................................................8-7
Figure 8-5 Edit SUA/NAT Server Set.............................................................................................................8-8
Figure 8-6 Address Mapping Rules ..............................................................................................................8-10
Figure 8-7 Address Mapping Rule Edit ........................................................................................................8-11
Figure 9-1 DDNS............................................................................................................................................9-2
Figure 10-1 Time and Date ...........................................................................................................................10-1
Figure 11-1 Prestige Firewall Application ....................................................................................................11-3
Figure 11-2 Three-Way Handshake ..............................................................................................................11-5
Figure 11-3 SYN Flood ................................................................................................................................11-5
Figure 11-4 Smurf Attack .............................................................................................................................11-6
Figure 11-5 Stateful Inspection.....................................................................................................................11-8
Figure 12-1 Enabling the Firewall ................................................................................................................12-1
Figure 12-2 Alert...........................................................................................................................................12-4
Figure 13-1 LAN to WAN Traffic.................................................................................................................13-3
Figure 13-2 WAN to LAN Traffic.................................................................................................................13-4
Figure 13-3 Firewall Rules Summary: First Screen......................................................................................13-5
Figure 13-4 Creating/Editing A Firewall Rule............................................................................................13-10
Figure 13-5 Adding/Editing Source and Destination Addresses.................................................................13-12
Figure 13-6 Timeout ...................................................................................................................................13-13
Figure 14-1 Customized Services .................................................................................................................14-1
Figure 14-2 Creating/Editing A Customized Service....................................................................................14-2
xviii List of Figures