ZyXEL Communications Prestige 2602H Series - Manual (Page 185)

Prestige 2602H/HW Series User’s Guide
Chapter 14 Firewall Configuration 185
14.4.3 Alerts
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
Section 14.6.1 on page 188 ). 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).
14.5 Configuring Basic Firewall Settings
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
LABEL DESCRIPTION
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
Appendix F on page 489 for more on triangle
route topology and how to deal with this problem.