Figure 6.6. WAN Static IP Configuration .............................................................................................................. 38
Figure 6.7. WAN Statistics Page........................................................................................................................... 39
Figure 7.1. RIP Configuration............................................................................................................................... 42
Figure 7.2. Static Route Configuration................................................................................................................. 43
Figure 7.3. Routing Table..................................................................................................................................... 44
Figure 8.1. Network Diagram for RFC-2136 DDNS............................................................................................. 45
Figure 8.2. Network Diagram for HTTP DDNS .................................................................................................... 46
Figure 8.3. RFC-2136 DDNS Configuration ......................................................................................................... 47
Figure 8.4. HTTP DDNS Configuration ................................................................................................................ 48
Figure 8.5. Host Table Configuration.................................................................................................................... 49
Figure 8.6. Host Table ........................................................................................................................................... 49
Figure 9.1 Static NAT – Mapping Four Private IP Addresses to Four Globally Valid IP Addresses .................. 53
Figure 9.2 Dynamic NAT – Four Private IP addresses Mapped to Three Valid IP Addresses .......................... 53
Figure 9.3 Dynamic NAT – PC-A can get an NAT association after PC-B is disconnected............................... 53
Figure 9.4 NAPT – Map Any Internal PCs to a Single Global IP Address .......................................................... 54
Figure 9.5 Reverse Static NAT – Map a Global IP Address to An Internal PC................................................... 54
Figure 9.6 Reverse NAPT – Relayed Incoming Packets to the Internal Host Base on the Protocol, Port
Number or IP Address ................................................................................................................................... 54
Figure 9.7. Inbound ACL configuration Example ................................................................................................. 58
Figure 9.8. Inbound ACL List ................................................................................................................................ 58
Figure 9.9. Outbound ACL Configuration Example.............................................................................................. 60
Figure 9.10. Outbound ACL List ........................................................................................................................... 60
Figure 9.11. URL Filter Configuration Example.................................................................................................... 62
Figure 9.12. URL Filter List ................................................................................................................................... 62
Figure 9.13. Self Access Rule Configuration Example ........................................................................................ 63
Figure 9.14. Service List Configuration................................................................................................................. 65
Figure 9.15. Service List........................................................................................................................................ 65
Figure 9.16. DoS Attack Protection List................................................................................................................ 68
Figure 9.17. DoS Configuration Page................................................................................................................... 68
Figure 9.18 Network Diagram for FTP Filter Example – Blocking FTP Delete Command................................. 71
Figure 9.19. FTP Filter Example – Configuring FTP Filter Rule .......................................................................... 71
Figure 9.20 FTP Filter Example – Firewall Configuration Assistant .................................................................... 72
Figure 9.21 FTP Filter Example – Add an FTP Filter to Deny FTP Delete Command ....................................... 72
Figure 9.22. FTP Filter Example – Associate FTP Filter Rule to an ACL Rule................................................... 72
Figure 9.23. HTTP Filter Example – Configuring HTTP Filter Rule..................................................................... 73
Figure 9.24. HTTP Filter Example – Associate HTTP Filter Rule to an ACL Rule ............................................. 74
Figure 9.25. Modify an Application Filter............................................................................................................... 74
xi
