Packet Direction Examples; Figure 115 Default Block Traffic From Wan To Dmz Example - ZyXEL Communications ZYWALL 2 PLUS User Manual

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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.

By default, the ZyWALL allows packets traveling in the following directions.:

• LAN to LAN

• LAN to WAN These rules specify which computers on the LAN can access which

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These rules specify which computers on the LAN can manage the

ZyWALL (remote management) and communicate between networks or

subnets connected to the LAN interface (IP alias).

Note: You can also configure the remote management

settings to allow only a specific computer to manage

computers or services connected to the WAN. See

for an example.

Chapter 11 Firewall

Section 11.5 on page