ZyXEL Communications P-2602 manual Firewall Configuration, General screen

P-2602H(W)(L)-DxA Series User’s Guide

Figure 104 Firewall Rules

The following table describes the labels in this screen.

Table 71 Firewall Rules

LABEL	DESCRIPTION
Firewall Rules	This read-only bar shows how much of the ZyXEL Device's memory for recording
Storage Space	firewall rules it is currently using. When you are using 80% or less of the storage
in Use	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	Select an index number and click Add to add a new firewall rule after the selected
rule after rule	index number. For example, if you select “6”, your new rule becomes number 7 and
number	the previous rule 7 (if there is one) becomes rule 8.
	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 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
	Appendix 31 on page 371 for more information.
Action	This field displays whether the firewall silently discards packets (Drop), discards
	packets and sends a TCP reset packet or an ICMP destination-unreachable
	message to the sender (Reject) or allows the passage of packets (Permit).
Schedule	This field tells you whether a schedule is specified (Yes) or not (No).

198 Chapter 14 Firewall Configuration