74D-Link M30 AX3000 Dual-Band Wi-Fi 6 Router User Manual
Section 3 - Conguration
Firewall Settings - IPv4/IPv6 Rules
Name: Enter a name for the rule.
Source IP Address 
Range:
Enter the source IP address range (e.g. 1.1.1.1-1.1.1.2 for IPv4
or 2001::1-2001::2 for IPv6) that the rule will apply to, and using the 
drop-down menu to specify whether it is a WAN or LAN IP address. 
Both a single IP address and a range of IP addresses
can be entered.
Destination IP 
Address Range:
Enter the destination IP address range (e.g. 1.1.1.1-1.1.1.2
for IPv4 or 2001::1-2001::2 for IPv6) that the rule will apply to, and 
using the drop-down menu to specify whether it is a WAN or LAN 
IP address. Both a single IP address and a range of IP addresses can 
be entered.
Protocol & Port 
Range:
Select a  trac protocol to allow or deny (Any, TCP, or UDP) and then 
enter a range of ports (e.g. 21-23) that the rule will apply to. Select 
Any to allow/deny all types of trac regardless of the port number.
Schedule: Use the drop-down menu to select a time schedule that the rule will 
be enabled on. The schedule may be set to Always Enable, or you 
can create your own schedules in the Schedule section. Refer to 
Time & Schedule - Schedule on page 84 for more information.
Click Apply when you are done.
To create a new rule, click on the Add Rule button. Click Save when you are done. A maximum of 24 rules can be dened. If 
you edit or create a rule, the following options will appear: