Reference Manual for the ProSafe VPN Firewall FVS318v3
4-8 Firewall Protection and Content Filtering
January 2005

Order of Precedence for Rules

As you define new rules, they are added to the tables in the Rules table, as shown below:
Figure 4-6: Rules table with examples
For any traffic attempting to pass through the firewall, the packet information is subjected to the
rules in the order shown in the Ru les table, beginnin g at the top and pr oceeding to the d efault rules
at the bottom. In some cases, the order of precedence of two or more rules may be important in
determining the disposition of a packet. The Move button allows you to relocate a defined rule to a
new position in the table.

Default DMZ Server

Incoming traffic from the Internet is normally discarded by the firewall unless the traffic is a
response to one of your local computers or a service for which you have configured an inbound
rule. Instead of discarding this traffic, you can have it forwarded to one computer on your network.
This computer is called the Default DMZ Server.