ZyXEL Communications 650 manual 13

Prestige 650 ADSL Router

Figure 7-1 How NAT Works ..........................................................................................................................	7-3
Figure 7-2 NAT Application With IP Alias ....................................................................................................	7-4
Figure 7-3 Menu 4 — Applying NAT for Internet Access .............................................................................	7-6
Figure 7-4 Menu 11.3 — Applying NAT to the Remote Node ......................................................................	7-8
Figure 7-5 Menu 15 — NAT Setup................................................................................................................	7-9
Figure 7-6 Menu 15.1 — Address Mapping Sets...........................................................................................	7-9
Figure 7-7 Menu 15.1.255 — SUA Address Mapping Rules.......................................................................	7-10
Figure 7-8 Menu 15.1.1 — First Set .............................................................................................................	7-11
Figure 7-9 Menu 15.1.1.1 — Editing/Configuring an Individual Rule in a Set ...........................................	7-13
Figure 7-10 Menu 15.2 — NAT Server Setup..............................................................................................	7-16
Figure 7-11 Menu 15.2.1 — NAT Server Setup...........................................................................................	7-16
Figure 7-12 Multiple Servers Behind NAT Example ...................................................................................	7-17
Figure 7-13 NAT Example 1 ........................................................................................................................	7-18
Figure 7-14 Menu 4 — Internet Access & NAT Example ...........................................................................	7-18
Figure 7-15 NAT Example 2 ........................................................................................................................	7-19
Figure 7-16 Menu 15.2.1 — Specifying an Inside Server............................................................................	7-20
Figure 7-17 NAT Example 3 ........................................................................................................................	7-21
Figure 7-18 Example 3: Menu 11.3..............................................................................................................	7-22
Figure 7-19 Example 3: Menu 15.1.1.1 .......................................................................................................	7-22
Figure 7-20 Example 3: Final Menu 15.1.1 .................................................................................................	7-23
Figure 7-21 NAT Example 4 ........................................................................................................................	7-24
Figure 7-22 Example 4: Menu 15.1.1.1 — Address Mapping Rule.............................................................	7-25
Figure 7-23 Example 4: Menu 15.1.1 — Address Mapping Rules .............................................................	7-26
Figure 8-1 Outgoing Packet Filtering Process ...............................................................................................	8-2
Figure 8-2 Filter Rule Process........................................................................................................................	8-3
Figure 8-3 Menu 21 — Filter Set Configuration............................................................................................	8-4
Figure 8-4 NetBIOS_WAN Filter Rules Summary........................................................................................	8-5
Figure 8-5 NetBIOS_LAN Filter Rules Summary.........................................................................................	8-5
Figure 8-6 Telnet_WAN Filter Rules Summary ............................................................................................	8-6
Figure 8-7 PPPoE Filter Rules Summary ......................................................................................................	8-6
Figure 8-8 FTP_WAN Filter Rules Summary................................................................................................	8-7
Figure 8-9 WebSet Filter Rules Summary .....................................................................................................	8-7
Figure 8-10 Menu 21.1.1 — TCP/IP Filter Rule..........................................................................................	8-10
Figure 8-11 Executing an IP Filter ...............................................................................................................	8-13
Figure 8-12 Menu 21.5.1 — Generic Filter Rule ........................................................................................	8-14
Figure 8-13 Protocol and Device Filter Sets ................................................................................................	8-16
Figure 8-14 Sample Telnet Filter .................................................................................................................	8-17
Figure 8-15 Sample Filter — Menu 21.3.1 ..................................................................................................	8-18
Figure 8-16 Sample Filter Rules Summary — Menu 21.1...........................................................................	8-19
Figure 8-17 Filtering Ethernet Traffic..........................................................................................................	8-20
Figure 8-18 Filtering Remote Node Traffic .................................................................................................	8-21

List of Figures xiii