Tenda DH301 User Manual page 100

Wireless N300 ADSL2+ High Power Modem Router
Protocol: TCP/UDP, TCP, UDP and ICMP are available for your option.
Source IP address [/prefix length]: Enter the [LAN IP address/prefix length] to be filtered.
Source Port (port or port: port): Specify a port number or a range of ports used by LAN PCs to access the Internet. If
you are unsure, leave it blank.
Destination IP address [/prefix length]: Specify the external network IP address to be accessed by specified LAN PCs.
Destination Port (port or port:port): Specify a port number or a range of ports used by LAN PCs to access external
network.
Incoming IP Filtering Setup
When the firewall is enabled on a WAN or LAN interface, all incoming IP traffic is BLOCKED. However, some IP
traffic can be ACCEPTED by setting up filters.
Choose Add or Remove to configure incoming IP filters.
Click Add to enter the following screen:
This screen allows you to create a filter rule to identify incoming IP traffic by specifying a new filter name and at least
one condition below. All of the specified conditions in this filter rule must be satisfied for the rule to take effect. Click
Apply/Save to save and activate the filter.
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