ADSL2/2+ Router
below to add filtering rules.
Filter Name: Enter the defined filtering name.
IP Version: Only Ipv4 is provided.
Protocol: TCP/UDP; TCP; UDP; ICMP available for your option.
Source IP address [/prefix length]: Enter the LAN IP address to be
filtered.
Source Port (port or port: port): The port number or range used by
LAN PCs in accessing Internet.
Destination IP address [/prefix length]: The external network IP
address to be accessed by LAN PC.
Destination Port: The port number or range used by LAN PCs in
accessing external network.
Note:
Packets filtered in this function are transferred from LAN to WAN.
If you are not familiar with all parameters to be configured, you
can just configure some of them and keep the left unchanged. And
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