The Firewall Screen; The Service Screen - ZyXEL Communications VMG4380-B10A User Manual

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.
Click Security > Firewall to display the General screen.
Figure 103 Security > Firewall > General
The following table describes the labels in this screen.
Table 75 Security > Firewall > General
LABEL
Firewall
Easy
Medium
High
Apply
Cancel

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
VMG4380-B10A / VMG4325-B10A User's Guide
DESCRIPTION
Select Enable to activate the firewall feature on the Device.
Select Easy to allow LAN to WAN and WAN to LAN packet directions.
Select Medium to allow LAN to WAN but deny WAN to LAN packet directions.
Select High to deny LAN to WAN and WAN to LAN packet directions.
Click Apply to save your changes.
Click Cancel to restore your previously saved settings.
Appendix F on page 353 for some examples.
Chapter 15 Firewall
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