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ZyXEL Communications ZyXEL ZyWALL 2WE User Manual

Page 182

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ZyWALL 2 and ZyWALL 2WE

16-12

Creating Custom Rules

Table 16-3 Creating/Editing A Firewall Rule

FIELD

DESCRIPTION

OPTIONS

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.

SrcAdd

SrcEdit

SrcDelete

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.

DestAdd

DestEdit

DestDelete

Services

Available/Selected
Services

Please see Table 16-2 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.

Action for
Matched Packets

Should packets that match this rule be blocked or
forwarded? Make your choice from the drop down list box.
Note that Block means the firewall silently discards the
packet.

Block

Forward

Log

This field determines if a log is created for packets that
match the rule, don’t match the rule, both or no log is
created.

Match

Not Match

Both

None

Alert

Check the Alert check box to determine that this rule
generates an alert when the rule is matched.

When you have finished, click Apply to save your customized settings and exit this screen, Cancel to exit
this screen without saving, or Help for online HTML help on fields in this screen.