The Protocol Screen - ZyXEL Communications VMG3312-T20A User Manual

Figure 107 Security > Firewall > General
The following table describes the labels in this screen.
Table 78 Security > Firewall > General
LABEL
Firewall
Low
Medium
High
Apply
Cancel

15.3 The Protocol Screen

You can configure customized services and port numbers in the Protocol screen. For a comprehensive
list of port numbers and services, visit the IANA (Internet Assigned Number Authority) website. See
Appendix D on page 287
Click Security > Firewall > Protocol to display the following screen.
Figure 108 Security > Firewall > Protocol
Chapter 15 Firewall
DESCRIPTION
Select Enable to activate the firewall feature on the VMG.
Select Low 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.
for some examples.
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