ZyXEL Prestige 660HW-D1 Wireless Router 91-004-593003B Manual Do Utilizador

Códigos do produto
91-004-593003B
Página de 358
P-660H/HW-D Series User’s Guide
Chapter 10 Firewall Configuration
176
Maximum 
Incomplete Low
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.
80 existing half-open sessions.
Maximum 
Incomplete High
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.
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.
TCP Maximum 
Incomplete 
This is the number of existing half-open TCP 
sessions with the same destination host IP 
address that causes the firewall to start 
dropping half-open sessions to that same 
destination host IP address. Enter a number 
between 1 and 256. As a general rule, you 
should choose a smaller number for a smaller 
network, a slower system or limited 
bandwidth.
30 existing half-open TCP 
sessions.
Action taken when the TCP Maximum Incomplete threshold is reached.
Delete the oldest 
half open session 
when new 
connection 
request comes
Select this radio button to clear the oldest half 
open session when a new connection request 
comes.
Deny new 
connection 
request for
Select this radio button and specify for how 
long the ZyXEL Device should block new 
connection requests when TCP Maximum 
Incomplete is reached. 
Enter the length of blocking time in minutes 
(between 1 and 256).
Apply
Click Apply to save your changes back to the ZyXEL Device.
Cancel
Click Cancel to begin configuring this screen afresh.
Table 63   Firewall: Threshold (continued)
LABEL
DESCRIPTION
DEFAULT VALUES