P312 Broadband Security Gateway

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.

7.3Example 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.

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Filters

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ZyXEL Communications P-312 manual Example Filter, Telnet Filter Example