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3 example filter – ZyXEL Communications Broadband Security Gateway P-312 User Manual

Page 109

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P312 Broadband Security Gateway

7-14

Filters

Drop

Once you have completed filling in Menu 21.4.1.1 - Generic Filter Rule, press [Enter] at the message
[Press Enter to Confirm] to save your configuration, or press [Esc] to cancel. This data will now be
displayed on Menu 21.1.1 - Filter Rules Summary.

7.3 Example

Filter

Let’s look at the third default ZyXEL filter, TELNET_WAN (see Figure 7-8) as an example. Please see our
included disk for more example filters. This filter is designed to block outside users telnetting into the
Prestige.

Figure 7-12

Telnet Filter Example

Step 1.

Enter 21 from the Main Menu to open Menu 21.1 - Filter Set Configuration.

Step 2.

Enter the index of the filter set you wish to configure (in this case, 3) and press [Enter]

.

Step 3.

Enter a descriptive name or comment in the Edit Comments field (in this case TELNET_WAN)
and press [Enter].

Step 4.

Press [Enter] at the message: [Press ENTER to confirm] to open Menu 21.1.1 - Filter Rules
Summary
.

Step 5.

Enter 1 to configure the first filter rule (the only filter rule of this set). Make the entries in this
menu as shown in the following figure.