ZyXEL Communications EMG5324-D10A IP Phone User Manual


 
Chapter 13 Firewall
EMG5324-D10A User’s Guide
179
Click Security > Firewall to display the General screen.
Figure 86 Security > Firewall > General
The following table describes the labels in this screen.
13.3 The Services 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 E on page 353 for some examples.
Table 52 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.