The Protocol Screen - ZyXEL Communications VMG3925-B10A User Manual

Figure 108 Security > Firewall > General
The following table describes the labels in this screen.
Table 81 Security > Firewall > General
LABEL
IPv4 Firewall
IPv6 Firewall
Low
Medium
High
Apply
Cancel

17.3 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
Click Security > Firewall > Protocol to display the following screen.
Figure 109 Security > Firewall > Protocol
Chapter 17 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.
Appendix D on page 293
VMG3925-B10A User's Guide
for some examples.
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