ZyXEL Communications G-2000 Plus - Manual (Page 322)

ZyAIR G-2000 Plus User’s Guide
321 Chapter 29 Filter Configuration
29.3 Example Filter
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
FIELD DESCRIPTION OPTIONS