ZyXEL Communications 35 Series, 70 Series Chapter, Chapter, Chapter, Chapter, SNMP Configuration, Introducing the ZyWALL Firewall

	ZyWALL 5/35/70 Series User’s Guide
42.2	NAT Setup ......................................................................................................	564
42.2.1 Address Mapping Sets ..........................................................................		565
	42.2.1.1 SUA Address Mapping Set .........................................................	565
	42.2.1.2 User-Defined Address Mapping Sets ..........................................	566
	42.2.1.3 Ordering Your Rules ....................................................................	567
42.3	Configuring a Server behind NAT ..................................................................	569
42.4	General NAT Examples ..................................................................................	572
42.4.1 Internet Access Only .............................................................................		572
42.4.2 Example 2: Internet Access with an Default Server ..............................		574
42.4.3 Example 3: Multiple Public IP Addresses With Inside Servers .............		574
42.4.4 Example 4: NAT Unfriendly Application Programs ...............................		578
42.5	Trigger Port Forwarding .................................................................................	579
42.5.1 Two Points To Remember About Trigger Ports .....................................		579
Chapter 43
Introducing the ZyWALL Firewall .......................................................................		582
43.1 Using ZyWALL SMT Menus ...........................................................................		582
43.1.1 Activating the Firewall ...........................................................................		582
Chapter 44
Filter Configuration..............................................................................................		584
44.1	Introduction to Filters ......................................................................................	584
44.1.1 The Filter Structure of the ZyWALL ......................................................		585
44.2	Configuring a Filter Set ..................................................................................	587
44.2.1 Configuring a Filter Rule .......................................................................		588
44.2.2 Configuring a TCP/IP Filter Rule ..........................................................		589
44.2.3 Configuring a Generic Filter Rule .........................................................		591
44.3	Example Filter ................................................................................................	593
44.4	Filter Types and NAT ......................................................................................	595
44.5	Firewall Versus Filters ....................................................................................	595
44.6	Applying a Filter ............................................................................................	596
44.6.1 Applying LAN Filters .............................................................................		596
44.6.2 Applying DMZ Filters ............................................................................		596
44.6.3 Applying Remote Node Filters ..............................................................		597
Chapter 45
SNMP Configuration ............................................................................................		598
45.1	SNMP Configuration ......................................................................................	598
45.2 SNMP Traps ...................................................................................................		599
Chapter 46
System Information & Diagnosis........................................................................		600
46.1	Introduction to System Status ........................................................................	600

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