ZyXEL Communications 792H manual Predefined Services, Label Description

Prestige 792H G.SHDSL Router

	Table 10-2 Firewall Rules Summary: First Screen
LABEL	DESCRIPTION
The default action for	Use the drop-down list box to select whether to Block (silently discard) or
packets not matching	Forward (allow the passage of) packets that do not match the following rules.
following rules
Default Permit Log	Select this check box to log all matched rules in the default set.

The following fields summarize the rules you have created. Note that these fields are read only. Click the tab at the top of the box to order the rules according to that tab.

No.	This is your firewall rule number. The ordering of your rules is important as rules
	are applied in turn. The Move field below allows you to reorder your rules. Click a
	rule’s number to edit the rule.
Source IP	This is the source address of the packet. Please note that a blank source or
	destination address is equivalent to Any.
Destination IP	This is the destination address of the packet. Please note that a blank source or
	destination address is equivalent to Any.
Service	This is the service to which the rule applies. See Table 10-3for more information.
Action	This is the specified action for that rule, whether to Block (discard) or Forward
	(allow the passage of) packets.
Log	This field shows you if a log is created for packets that match the rule (Match),
	don't match the rule (Not Match), both (Both) or no log is created (None).
Rules Reorder	You may reorder your rules using this function. Use the drop-down list box to
	select the number of the rule you want to move. The ordering of your rules is
	important as rules are applied in turn.
To Rule Number	Use the drop-down list box to select to where you want to move the rule.
Move	Click Move to move the rule.
Back	Click Back to return to the previous screen.
Apply	Click Apply to save your changes back to the Prestige.
Cancel	Click Cancel to return to the previously saved settings.

10.6 Predefined Services

The Available Services list box in the Edit Rule screen (see Figure 10-5) displays all predefined services that the Prestige already supports. Next to the name of the service, two fields appear in brackets. The first field indicates the IP protocol type (TCP, UDP, or ICMP). The second field indicates the IP port number that

10-8 Creating Custom Rules