ZyXEL Communications P-660W-T1 v2, User Manual

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Chapter 11 Firewall Configuration
P-660W-Tx v2 User’s Guide
117
Figure 54 Firewall: Rule Summary
The following table describes the labels in this screen.
Table 39 Rule Summary
LABEL DESCRIPTION
Firewall Rules
Storage Space
in Use
This read-only bar shows how much of the ZyXEL Device's memory for recording
firewall rules it is currently using. When you are using 80% or less of the storage
space, the bar is green. When the amount of space used is over 80%, the bar is red.
Packet
Direction
Use the drop-down list box to select a direction of travel of packets for which you
want to configure firewall rules.
Default Policy This field displays the default action and log policy you selected in the Default Rule
screen for the packet direction shown in the field above.
The following read-only fields summarize the rules you have created that apply to
traffic traveling in the selected packet direction. The firewall rules that you configure
(summarized below) take priority over the general firewall action settings above.
Rule This is your firewall rule number. The ordering of your rules is important as rules are
applied in turn.
Click a rule’s number to go to the
Firewall Edit Rule screen to configure or edit a
firewall rule.
Active This field displays whether a firewall is turned on ( Y ) or not ( N ).
Source IP This drop-down list box displays the source addresses or ranges of addresses to
which this firewall rule applies. Please note that a blank source or destination
address is equivalent to Any .
Destination IP This drop-down list box displays the destination addresses or ranges of addresses to
which this firewall rule applies. Please note that a blank source or destination
address is equivalent to Any .
Service This drop-down list box displays the services to which this firewall rule applies.
Please note that a blank service type is equivalent to Any . See Section 11.4.2 on
page 121 for more information.
Action This is the specified action for that rule, either Block or Forward . Note that Block
means the firewall silently discards the packet.