ZyXEL Communications P-791R, Руководство пользователя

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Chapter 25 Filter Configuration
P-791R v2 User’s Guide
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25.3 Example Filter
Let’s look at an example to block outside users from accessing the ZyXEL Device via telnet.
Please see our included disk for more example filters.
Figure 142 Telnet Filter Example
1 Enter 21 from the main menu to open Menu 21 - Filter Set Configuration .
2 Enter the index of the filter set you wish to configure (say 3) and press [ENTER]
.
3 Enter a descriptive name or comment in the Edit Comments field and press [ENTER].
4 Press [ENTER] at the message [Press ENTER to confirm] to open Menu 21.1 - Filter
Rules Summary .
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.
Action
Matched
Select the action for a packet matching the rule.
Options are
Check Next Rule , Forward and Drop .
Action Not
Matched
Select the action for a packet not matching the rule.
Options are
Check Next Rule , Forward and Drop .
Once you have completed filling in Menu 21.1.1 - 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 - Filter Rules Summary .
Table 78 Menu 21.1.1: Generic Filter Rule (continued)
FIELD DESCRIPTION