ZyXEL Communications 2602H Series User Manual

Prestige 2602H/HW Series User’s Guide

Chapter 14 Firewall Configuration

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Alerts are reports on events, such as attacks, that you may want to know about right away. You 
can choose to generate an alert when an attack is detected in the Edit Rule screen (select the 
Send Alert Message to Administrator When Matched check box) or when a rule is matched 
in the Edit Rule screen (see 

 

When an event generates an alert, a 

message can be immediately sent to an e-mail account that you specify in the Log Settings 
screen (see the chapter on logs).

Click Firewall and then Default Policy to display the following screen. Activate the firewall 
by selecting the Firewall Enabled check box as seen in the following screen.

Figure 73   Firewall: Default Policy

The following table describes the labels in this screen. 

Table 54   Firewall: Default Policy

Enable Firewall

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

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

Allow 

Asymmetrical 

Route

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

topology on the network. 

Note: Allowing asymmetrical routes may let traffic from the WAN go 

directly to a LAN computer without passing through the 
Prestige. See 

 for more on triangle 

route topology and how to deal with this problem.