ZyXEL Communications Corporation P660HNT1AV2 User Manual
Chapter 14 Firewall
P-660HN-Tx(A) v2 User’s Guide
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14.2 The Firewall General Screen
Use this screen to select the firewall protection level on the ADSL Router. Click Security >
Firewall > General to display the following screen.
Firewall > General to display the following screen.
Figure 72
Security > Firewall > General
The following table describes the labels in this screen.
Table 54
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.
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.
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.
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 (
screen (
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.
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.