ZyXEL Communications EMG5324-D10A User Manual

Chapter 13 Firewall

EMG5324-D10A User’s Guide

Click Add new ACL rule or the Edit icon next to an existing ACL rule in the Access Control 
screen. The following screen displays.

Access Control: Add/Edit

The following table describes the labels in this screen.

Access Control: Add/Edit

Filter Name

Enter a descriptive name of up to 16 alphanumeric characters, not including spaces, 
underscores, and dashes. 

Source Address 
Type

Select the type of source address. 

Source IP 
Address Start/
End

When the Source Address Type field is configured as Single, enter the IP address of the 
source. When the Source Address Type field is configured as Range, enter the range of 
source IP address.

Destination 
Address Type

Select the type of destination address. 

Source IP 
Address Start/
End

When the Destination Address Type field is configured as Single, enter the IP address of 
the source. When the Destination Address Type field is configured as Range, enter the 
range of source IP address.

Select Protocol

Select the transport layer protocol that defines your customized port from the drop-down 
list box. The specific protocol rule sets you add in the Security > Firewall > Service > 
Add screen display in this list. 

Protocol

This field is displayed only when you select Specific Protocol in Select Protocol.

Choose the IP port (TCP, UDP, ICMP, or Others) that defines your customized port from 
the drop-down list box.

Protocol 
Number

If you select Others in the Select Protocol field, enter a single port number or the range 
of port numbers of the source.