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15.2 The Firewall Screen
Use this screen to set the security level of the firewall on the VMG. 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 83 Security > Firewall > General
The following table describes the labels in this screen.
Table 59 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
Click Security > Firewall > Protocol to display the following screen.
Figure 84 Security > Firewall > Protocol
VMG5313-B10A/-B30A Series User's Guide
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 G on page 343
for some examples.
Chapter 15 Firewall
183
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