![background image](/i/zyxel/144895/zyxel-zywall-2-ee/h/zyxel-zywall-2-ee-166.png)
ZyWALL 2 Series User’s Guide
11-10
Firewall
Screens
The following table describes the fields in this screen.
Table 11-2 Creating/Editing A Firewall Rule
LABEL
DESCRIPTION
Active
Check the
Active
check box to have the ZyWALL use this rule. Leave it unchecked
if you do not want the ZyWALL to use the rule after you apply it
Packet
Direction
Use the drop-down list box to select the direction of packet travel to which you want
to apply this firewall rule.
Source Address Click
SrcAdd
to add a new address,
SrcEdit
to edit an existing one or
SrcDelete
to delete one. Please see the next section for more information on adding and
editing source addresses.
Destination
Address
Click
DestAdd
to add a new address,
DestEdit
to edit an existing one or
DestDelete
to delete one. Please see the following section on adding and editing
destination addresses.
Available/
Selected
Services
Please see
Table 11-5
for more information on services available. Highlight a
service from the
Available Services
box on the left, then click
>>
to add it to the
Selected Services
box on the right. To remove a service, highlight it in the
Selected Services
box on the right, then click
<<
.
Custom Port
Add Click this button to bring up the screen that you use to configure a new custom
service that is not in the predefined list of services.
Edit Select a custom service (denoted by an “*”) from the
Available Services
list and
click this button to edit the service.
Delete Select a custom service (denoted by an “*”) from the
Available Services
list and
click this button to remove the service.
Block Services according to this schedule :
Day to Block Select everyday or the day(s) of the week to activate blocking.
Time of Day to
Block (24-Hour
Format)
Select
All Day
or enter the start and end times in the hour-minute format to activate
blocking.
Action for
Matched
Packets
Use the drop down list box to select whether to discard (
Block
) or allow the
passage of (
Forward
) packets that match this rule.