ZyXEL Communications Corporation VMG1312B10A Manuel D’Utilisation
Chapter 15 Firewall
VMG1312-B10A User’s Guide
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15.2 The Firewall Screen
Use this screen to set the security level of the firewall on the Device. Firewall rules are grouped
based on the direction of travel of packets to which they apply.
based on the direction of travel of packets to which they apply.
Click Security > Firewall to display the General screen.
Figure 99
Security > Firewall > General
The following table describes the labels in this screen.
15.3 The Service Screen
You can configure customized services and port numbers in the Service screen. For a
comprehensive list of port numbers and services, visit the IANA (Internet Assigned Number
Authority) website. See
comprehensive list of port numbers and services, visit the IANA (Internet Assigned Number
Authority) website. See
for some examples.
Table 72
Security > Firewall > General
LABEL
DESCRIPTION
Firewall
Select Enable to activate the firewall feature on the Device.
Easy
Select Easy to allow LAN to WAN and WAN to LAN packet directions.
Medium
Select Medium to allow LAN to WAN but deny WAN to LAN packet directions.
High
Select High to deny LAN to WAN and WAN to LAN packet directions.
Apply
Click Apply to save your changes.
Cancel
Click Cancel to restore your previously saved settings.