Netopia Firmware 4000-Series - Manual (Page 8)

viii Firmware User Guide
Advanced Security Options ................................. 10-5
User access password ....................................... 10-7
User menu differences....................................... 10-8
User Accounts ........................................................... 10-15
Telnet Access ............................................................ 10-17
About Filters and Filter Sets........................................ 10-18
What’s a filter and what’s a filter set? ............... 10-18
How filter sets work ......................................... 10-18
How individual filters work ................................ 10-20
Design guidelines ............................................ 10-25
Working with IP Filters and Filter Sets .......................... 10-26
Adding a filter set............................................. 10-27
Deleting a filter set .......................................... 10-31
A sample filter set............................................ 10-31
Policy-based Routing using Filtersets ........................... 10-34
TOS field matching ........................................... 10-35
Firewall Tutorial ......................................................... 10-37
General firewall terms ...................................... 10-37
Basic IP packet components............................. 10-37
Basic protocol types......................................... 10-37
Firewall design rules ........................................ 10-38
Filter basics..................................................... 10-40
Example filters................................................. 10-41
Configuration Management ......................................... 10-44
TFTP and X-Modem........................................... 10-47
Call Filtering .............................................................. 10-48
Chapter 11 — Utilities and Diagnostics ................................... 11-1
Ping ............................................................................ 11-2
Trace Route................................................................. 11-4
Telnet Client ................................................................ 11-5
Factor y Defaults .......................................................... 11-6
Transferring Configuration and Firmware Files with TFTP.. 11-6