Packet Direction Examples; Figure 125 Default Block Traffic From Wan To Dmz Example - ZyXEL Communications ZyWALL 2 Plus User Manual

Packets have a source and a destination. The packet direction matrix in the lower part of the
screen sets what the ZyWALL does with packets traveling in a specific direction that do not
match any of the firewall rules.
From
A specific interface or any of the ZyWALL's VPN
connections
To set the ZyWALL to by default silently block traffic from the WAN from going to the DMZ
interfaces, you would find where the From WAN row and the To DMZ column intersect and
set the field to Drop as shown.

Figure 125 Default Block Traffic From WAN to DMZ Example

11.3 Packet Direction Examples

Firewall rules are grouped based on the direction of travel of packets to which they apply. This
section gives some examples of why you might configure firewall rules for specific
connection directions.
ZyWALL 2 Plus User's Guide
A specific interface or any of the ZyWALL's VPN
connections
Chapter 11 Firewall
To
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