ZyXEL Communications 5 Series - Manual (Page 27)

ZyWALL 5/35/70 Series User’s Guide
Table of Contents 27
44.2 Configuring a Filter Set ..................................................................................636
44.2.1 Configuring a Filter Rule .......................................................................637
44.2.2 Configuring a TCP/IP Filter Rule ..........................................................638
44.2.3 Configuring a Generic Filter Rule .........................................................640
44.3 Example Filter ................................................................................................642
44.4 Filter Types and NAT ......................................................................................644
44.5 Firewall Versus Filters ....................................................................................644
44.5.1 Packet Filtering: ....................................................................................645
44.5.1.1 When To Use Filtering .................................................................645
44.5.2 Firewall .................................................................................................645
44.5.2.1 When To Use The Firewall ..........................................................645
44.6 Applying a Filter ............................................................................................646
44.6.1 Applying LAN Filters .............................................................................646
44.6.2 Applying DMZ Filters ............................................................................646
44.6.3 Applying Remote Node Filters ..............................................................647
Chapter 45
SNMP Configuration ............................................................................................ 649
45.1 SNMP Configuration ......................................................................................649
45.2 SNMP Traps ...................................................................................................650
Chapter 46
System Information & Diagnosis ........................................................................ 651
46.1 Introduction to System Status ........................................................................651
46.2 System Status ................................................................................................651
46.3 System Information and Console Port Speed ................................................653
46.3.1 System Information ...............................................................................653
46.3.2 Console Port Speed ..............................................................................654
46.4 Log and Trace ................................................................................................655
46.4.1 Viewing Error Log .................................................................................655
46.4.2 Syslog Logging .....................................................................................656
46.4.3 Call-Triggering Packet ..........................................................................659
46.5 Diagnostic ......................................................................................................659
46.5.1 WAN DHCP ..........................................................................................660
Chapter 47
Firmware and Configuration File Maintenance ................................................. 663
47.1 Introduction ....................................................................................................663
47.2 Filename Conventions ...................................................................................663
47.3 Backup Configuration .....................................................................................664
47.3.1 Backup Configuration ...........................................................................664
47.3.2 Using the FTP Command from the Command Line ..............................665
47.3.3 Example of FTP Commands from the Command Line .........................666