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Chapter 15 Firewall
AMG1312-T Series User’s Guide
171
The following table describes the labels in this screen.
15.3 The Default Action Screen
Use this screen to set the default action that the firewall takes on packets that do not match any of
the firewall rules. Click Security > Firewall > Default Action to display the following screen.
Figure 86 Security > Firewall > Default Action
Table 64 Security > Firewall > General
LABEL DESCRIPTION
High This setting blocks all traffic to and from the Internet. Only local network traffic and LAN to WAN
service (Telnet, FTP, HTTP, HTTPS, DNS, POP3, SMTP) is permitted.
Medium This is the recommended setting. It allows traffic to the Internet but blocks anyone from the
Internet from accessing any services on your local network.
Low This setting allows traffic to the Internet and also allows someone from the Internet to access
services on your local network. This would be used with Port Forwarding, Default Server.
Custom This setting allows the customer to create and edit individual firewall rules.
Firewall rules can be created in the Default Action screen (Section 15.3 on page 171) and Rules
screen (Section 15.4 on page 173).
Off This setting is not recommended. It disables firewall protection for your network and could
potentially expose your network to significant security risks. This option should only be used for
troubleshooting or if you intend using another firewall in conjunction with your ZyXEL router.
Apply Click this to save your changes.
Cancel Click this to restore your previously saved settings.