ZyXEL Communications Internet Security Gateway ZyWALL 100 User Manual
Page 334

ZyWALL 100 Internet Security Gateway
R
Firewall
Commands
FUNCTION
COMMAND
DESCRIPTION
config edit firewall attack block
Set this command to
yes
to block new traffic after
the tcp-max-incomplete threshold is exceeded. Set 
it to 
no
to delete the oldest half-open session when
traffic exceeds the tcp-max-incomplete threshold.
config edit firewall attack block-
minute <0-255>
This command sets the number of minutes for new 
sessions to be blocked when the tcp-max-
incomplete threshold is reached. This command is 
only valid when 
block
is set to
yes
.
config edit firewall attack minute-
high <0-255>
This command sets the threshold rate of new half-
open sessions per minute where the ZyWALL starts 
deleting old half-opened sessions until it gets them 
down to the minute-low threshold. 
config edit firewall attack minute-
low <0-255>
This command sets the threshold of half-open 
sessions where the ZyWALL stops deleting half-
opened sessions. 
config edit firewall attack max-
incomplete-high <0-255>
This command sets the threshold of half-open 
sessions where the ZyWALL starts deleting old half-
opened sessions until it gets them down to the max-
incomplete-low. 
config edit firewall attack max-
incomplete-low <0-255>
This command sets the threshold where the 
ZyWALL stops deleting half-opened sessions. 
config edit firewall attack tcp-
max-incomplete <0-255>
This command sets the threshold of half-open TCP 
sessions with the same destination where the 
ZyWALL starts dropping half-open sessions to that 
destination. 
S
S
e
e
t
t
s
s
 config edit firewall set 
name 
This command sets a name to identify a specified 
set. 
Config edit firewall set 
default-permit 
This command sets whether a packet is dropped or 
allowed through, when it does not meet a rule within 
the set. 
