ZyXEL P-660HN-F1 User Guide - Page 167

The Firewall General Screen

Page 167 highlights

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

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Chapter 10 Firewall
ADSL Router Series User’s Guide
167
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.
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
).
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.