ZyWALL 2 and ZyWALL 2WE

Table 16-3 Creating/Editing A Firewall Rule

FIELD

DESCRIPTION

OPTIONS

 

 

 

Source Address

Click SrcAdd to add a new address, SrcEdit to edit an

SrcAdd

 

existing one or SrcDelete to delete one. Please see the

SrcEdit

 

next section for more information on adding and editing

 

 

 

source addresses.

SrcDelete

 

 

 

Destination

Click DestAdd to add a new address, DestEdit to edit an

DestAdd

Address

existing one or DestDelete to delete one. Please see the

DestEdit

 

following section on adding and editing destination

 

 

 

addresses.

DestDelete

 

 

 

Services

Please see Table 16-2for more information on services

>>

Available/Selected

available. Highlight a service from the Available Services

<<

box on the left, then click >> to add it to the Selected

Services

 

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

Should packets that match this rule be blocked or

Block

Matched Packets

forwarded? Make your choice from the drop down list box.

Forward

 

Note that Block means the firewall silently discards the

 

 

 

packet.

 

 

 

 

Log

This field determines if a log is created for packets that

Match

 

match the rule, don’t match the rule, both or no log is

Not Match

 

created.

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.

16-12

Creating Custom Rules