ZyXEL Communications 2002 Series Guia do Utilizador descarregar pdf (Página 138)

Prestige 650HW ADSL Router User’s Guide

Filter Configuration 8-19

Figure 8-16 Sample Filter Rules Summary — Menu 21.1

After you have created the filter set, you must apply it.

Step 1. Enter 11 in the main menu to display menu 11 and type the remote node number to edit.

Step 2. Go to the Edit Filter Sets field, press [SPACE BAR] to choose Yes and press [ENTER].

Step 3. This brings you to menu 11.5. Apply the example filter set (for example, filter set 3) in this

menu as shown in the next section.

8.6 Applying Filters and Factory Defaults

This section shows you where to apply the filter(s) after you design it (them). Sets of factory default filter

rules have been configured in menu 21 (but have not been applied) to filter traffic.

Menu 21.1 - Filter Rules Summary

# A Type Filter Rules M m n

- - ---- --------------------------------------------------------------- - - -

1 Y IP Pr=6, SA=0.0.0.0, DA=0.0.0.0, DP=23 N D F

2 N

3 N

4 N

5 N

6 N

Enter Filter Rule Number (1-6) to Configure: 1

M = N means an action can be taken immediately.

The action is to drop the packet (m = D) if the

action is matched and to forward the packet

immediately (n = F) if the action is not matched no

matter whether there are more rules to be

checked

(

there aren’t in this exam

)

This shows you that you have

configured and activated (A = Y) a

TCP/IP filter rule (Type = IP, Pr = 6)

for destination telnet ports (DP =

23).

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ZyXEL Communications 2002 Series Guia do Utilizador Página 138