ZyXEL P-660H-67 User Guide - Page 167
The Firewall General Screen
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Chapter 10 Firewall 10.3 The Firewall General Screen Use this screen to select the firewall protection level on the ZyXEL Device. Click Security > Firewall > General to display the following screen. Note: The firewall configuration screen shown in this section is specific to the following devices: P-660HNU-Tx, P-660HU-Tx. Figure 72 Security > Firewall > General The following table describes the labels in this screen. Table 50 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 or the management interfaces on your router (when configured in Remote MGMT). This would be used with Port Forwarding, Default Server. Custom This setting allows the customer to create and edit individual firewall rules. Off Apply Cancel Firewall rules can be created in the Default Action screen (Section 10.4 on page 168) and Rules screen (Section 10.5 on page 169). 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. Click this to save your changes. Click this to restore your previously saved settings. ADSL Router Series User's Guide 167