ZyAIR G-2000 Plus User’s Guide

Figure 81 Default Rule

The following table describes the labels in this screen.

Table 60 Default Rule

LABEL

DESCRIPTION

 

 

Enable Firewall

Select this check box to activate the firewall. The ZyAIR performs access control and

 

protects against Denial of Service (DoS) attacks when the firewall is activated.

Allow

Select this check box to have the ZyAIR firewall permit the use of triangle route

Asymmetrical

topology on the network. See the Appendix for more on triangle route topology.

Route

 

Packet Direction

This is the direction of travel of packets ((W)LAN to (W)LAN/ZyAIR, (W)LAN to

 

WAN, WAN to (W)LAN, WAN to WAN/ZyAIR).

 

Firewall rules are grouped based on the direction of travel of packets to which they

 

apply. For example, (W)LAN to (W)LAN/ZyAIR means packets traveling from a

 

computer/subnet on the LAN to either another computer/subnet on the LAN interface

 

of the ZyAIR or the ZyAIR itself.

Default Action

Use the drop-down list boxes to select whether to Block (silently discard) or

 

Forward (allow the passage of) packets that are traveling in the selected direction.

Log

Select the check box to create a log (when the above action is taken) for packets

 

that are traveling in the selected direction and do not match any of the rules below.

Apply

Click Apply to save your changes back to the ZyAIR.

 

 

Reset

Click Reset to begin configuring this screen afresh.

 

 

15.6.1 Rule Summary

Note: The ordering of your rules is very important as rules are applied in turn.

Click FIREWALL, then the Rule Summary tab to open the screen.

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Chapter 15 Firewall Screens