Chapter 12 Firewall Configuration

Figure 113 Firewall Rules

The following table describes the labels in this screen.

Table 65 Firewall Rules

LABEL

DESCRIPTION

Firewall Rules

This read-only bar shows how much of the ZyXEL Device's memory for

Storage Space in Use

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.

 

 

Create a new rule

Select an index number and click Add to add a new firewall rule after the

after rule number

selected index number. For example, if you select “6”, your new rule becomes

 

number 7 and the previous rule 7 (if there is one) becomes rule 8.

 

 

 

The following 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 in the

 

General screen.

 

 

#

This is your firewall rule number. The ordering of your rules is important as

 

rules are applied in turn.

 

 

Active

This field displays whether a firewall is turned on or not. Select the check box

 

to enable the rule. Clear the check box to disable the rule.

 

 

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.

 

See Section 12.8 on page 187 for more information.

 

 

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P-660HW-Tx v3 User’s Guide