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 Chapter 22 Firewall

ZyWALL USG 50 User’s Guide

In the Firewall screen, click the Edit or Add icon to display the Firewall Rule 
Edit screen.

Figure 224   Configuration > Firewall > Add    

The following table describes the labels in this screen.    

Service

This displays the service object to which this firewall rule applies.

Access

This field displays whether the firewall silently discards packets (deny), 
discards packets and sends a TCP reset packet to the sender (reject) or 
permits the passage of packets (allow). 

Log

This field shows you whether a log (and alert) is created when packets 
match this rule or not.

Apply

Click Apply to save your changes back to the ZyWALL.

Reset

Click Reset to return the screen to its last-saved settings. 

Table 107   Configuration > Firewall (continued)

Table 108   Configuration > Firewall > Add

Create new 
Object

Use to configure any new settings objects that you need to use in this 
screen.

Enable 

Select this check box to activate the firewall rule. 

From

To

For through-ZyWALL rules, select the direction of travel of packets to 
which the rule applies.

any means all interfaces or VPN tunnels.

ZyWALL means packets destined for the ZyWALL itself.