ZyXEL Communications G-2000 Plus User Manual

ZyAIR G-2000 Plus User’s Guide

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Chapter 29 Filter Configuration

Let’s look at an example to block outside users from accessing the ZyAIR via telnet. 

Figure 175   Telnet Filter Example

1 Enter 21 from the main menu to open Menu 21 - Filter and Firewall Setup.

2 Enter 1 to open Menu 21.1 - Filter Set Configuration.

3 Enter the index of the filter set you wish to configure (say 3) and press [ENTER]

.

4 Enter a descriptive name or comment in the Edit Comments field and press [ENTER].

More

If Yes, a matching packet is passed to the next filter rule before an 

action is taken; else the packet is disposed of according to the 

action fields.
If More is Yes, then Action Matched and Action Not Matched will be 

No.

Yes
No

Log

Select the logging option from the following:
None - No packets will be logged.
Action Matched - Only packets that match the rule parameters will 

be logged.
Action Not Matched - Only packets that do not match the rule 

parameters will be logged.
Both – All packets will be logged.

None
Action Matched
Action Not 

Matched
Both

Action 

Matched

Select the action for a packet matching the rule.

Check Next Rule
 Forward
Drop

Action Not 

Matched

Select the action for a packet not matching the rule.

Check Next Rule
Forward
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.

Table 109   Generic Filter Rule Menu Fields