Example Filter; Figure 7-12 Telnet Filter Example - ZyXEL Communications ZyWALL 10 User Manual

ZyWALL 10 Internet Security Gateway
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
ZyWALL.
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.
7-14

Figure 7-12 Telnet Filter Example

Drop
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Filters