Chapter 11 Firewall
ZyWALL 5/35/70 Series User’s Guide
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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.
To set the ZyWALL to by default silently block traffic from WAN 1 from going to the DMZ
interfaces, you would find where the From WAN1 row and the To DMZ column intersect and
set the field to Drop as shown.
Figure 133 Default Block Traffic From WAN1 to DMZ Example
A specific interface or any of the ZyWALL’s VPN
connections
A specific interface or any of the ZyWALL’s VPN
connections
From To