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

Chapter 15 Firewall
VMG4380-B10A / VMG4325-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.
Click Security > Firewall to display the General screen.
Figure 103 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 Appendix F on page 353 for some examples.
Table 75 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.