Figure 78 Configuration > Firewall > Dos Settings; Table 65 Configuration > Firewall > Dos Settings - ZyXEL Communications VANTAGE CNM User Manual

Figure 78
The following table describes the labels in this screen.
Table 65 Configuration > Firewall > DoS Settings
LABEL
One Minute Low
One Minute High
Maximum
Incomplete Low
Maximum
Incomplete High
Chapter 12 Configuration > Firewall
Configuration > Firewall > DoS Settings
DESCRIPTION
This is the rate of new half-open sessions that
causes the firewall to stop deleting half-open
sessions. The ZyXEL device continues to delete
half-open sessions as necessary, until the rate
of new connection attempts drops below this
number.
This is the rate of new half-open sessions that
causes the firewall to start deleting half-open
sessions. When the rate of new connection
attempts rises above this number, the ZyXEL
device deletes half-open sessions as required
to accommodate new connection attempts.
This is the number of existing half-open
sessions that causes the firewall to stop
deleting half-open sessions. The ZyXEL device
continues to delete half-open requests as
necessary, until the number of existing half-
open sessions drops below this number.
This is the number of existing half-open
sessions that causes the firewall to start
deleting half-open sessions. When the number
of existing half-open sessions rises above this
number, the ZyXEL device deletes half-open
sessions as required to accommodate new
connection requests. Do not set Maximum
Incomplete High to lower than the current
Maximum Incomplete Low number.
Vantage CNM User's Guide
EXAMPLE VALUES
80 existing half-open
sessions.
100 half-open sessions per
minute. The above numbers
cause the ZyXEL device to
start deleting half-open
sessions when more than 100
session establishment
attempts have been detected
in the last minute, and to stop
deleting half-open sessions
when fewer than 80 session
establishment attempts have
been detected in the last
minute.
80 existing half-open
sessions.
100 existing half-open
sessions. The above values
causes the ZyXEL device to
start deleting half-open
sessions when the number of
existing half-open sessions
rises above 100, and to stop
deleting half-open sessions
with the number of existing
half-open sessions drops
below 80.
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