ZyXEL Communications P-334 - Manual (Page 17)

Prestige 334 User’s Guide
Table of Contents 16
25.5 General NAT Examples ..................................................................................244
25.5.1 Example 1: Internet Access Only ..........................................................245
25.5.2 Example 2: Internet Access with an Inside Server ...............................245
25.5.3 Example 3: Multiple Public IP Addresses With Inside Servers .............246
25.5.4 Example 4: NAT Unfriendly Application Programs ...............................250
25.6 Configuring Trigger Port Forwarding .............................................................252
Chapter 26
Enabling the Firewall ........................................................................................... 254
26.1 Remote Management and the Firewall ..........................................................254
26.2 Access Methods .............................................................................................254
26.3 Enabling the Firewall ......................................................................................254
Chapter 27
Filter Configuration.............................................................................................. 256
27.1 Introduction to Filters ......................................................................................256
27.1.1 The Filter Structure of the Prestige .......................................................257
27.2 Configuring a Filter Set ..................................................................................258
27.2.1 Configuring a Filter Rule .......................................................................260
27.2.2 Configuring a TCP/IP Filter Rule ..........................................................260
27.2.3 Configuring a Generic Filter Rule .........................................................263
27.3 Example Filter ................................................................................................265
27.4 Filter Types and NAT ......................................................................................267
27.5 Firewall Versus Filters ....................................................................................268
27.6 Applying a Filter ............................................................................................268
27.6.1 Applying LAN Filters .............................................................................268
27.6.2 Applying Remote Node Filters ..............................................................269
Chapter 28
SNMP Configuration ............................................................................................ 270
28.1 About SNMP ..................................................................................................270
28.2 Supported MIBs ............................................................................................271
28.3 SNMP Configuration ......................................................................................271
28.4 SNMP Traps ...................................................................................................272
Chapter 29
System Information and Diagnosis .................................................................... 274
29.1 System Status ................................................................................................274
29.2 System Information ........................................................................................276
29.2.1 System Information ...............................................................................276
29.2.2 Console Port Speed ..............................................................................277
29.3 Log and Trace ................................................................................................278
29.3.1 Syslog Logging .....................................................................................278