ZyXEL 2WG Guía Del Usuario

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 Chapter 12 Firewall Screens
ZyWALL 2WG User’s Guide
261
Figure 164   My Service Firewall Rule Example: Rule Summary: Completed 
12.9  Firewall Technical Reference
This technical reference contains the the following sections:
Packet Direction Examples
Asymmetrical Routes
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
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 the ZyWALL.
• LAN to WAN 
1
These rules specify which computers on the LAN can access which 
computers or services connected to WAN 1. See 
 for an example.