ZyXEL Communications ZyXEL ZyAIR 100 - Manual (Page 180)

ZyWALL 10~100 Series Internet Security Gateway
12-22 Firewall Screens
Figure 12-12 Attack Alert
The following table describes the fields in this screen.
Table 12-6 Attack Alert
LABEL DESCRIPTION DEFAULT VALUES
Generate alert
when attack
detected A detected attack automatically generates a
log entry. Check this box to generate an alert
(as well as a log) whenever an attack is
detected. See the chapter on logs for more
information on logs and alerts.
Denial of Service Thresholds
One Minute Low This is the rate of new half-open sessions that
causes the firewall to stop deleting half-open
sessions. The ZyWALL continues to delete
half-open sessions as necessary, until the rate
of new connection attempts drops below this
number.
80 existing half-open sessions.