DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports
User Manual
Configuring via Web-based Interface
Parameter Description
Source
The source host/subnet IP address.
If the IP address range checkbox is selected, specify the starting
IP address of the range in the Source (first) field and the ending IP
address in the Source (last) field.
If the IP address range checkbox is not selected, specify the IP
address of the host or subnet in the Source field. To specify an IP
address add /32.
To choose a device connected to the router's LAN at the moment,
select the relevant IP address from the drop-down list located to the
right of the field (the field will be filled in automatically).
Destination
The destination host/subnet IP address.
If the IP address range checkbox is selected, specify the starting
IP address of the range in the Destination (first) field and the
ending IP address in the Destination (last) field.
If the IP address range checkbox is not selected, specify the
starting IP address of the host or subnet in the Destination field. To
specify an IP address add /32.
To choose a device connected to the router's LAN at the moment,
select the relevant IP address from the drop-down list located to the
right of the field (the field will be filled in automatically).
Ports
Source
A port of the source IP address. You can specify one port, several
ports separated by a comma, or a range of ports separated by a
colon.
Destination
A port of the destination IP address. You can specify one port,
several ports separated by a comma, or a range of ports separated by
a colon.
Click the Change button.
To edit a rule for IP filtering, select the relevant rule in the table. On the opened page, change the
needed parameters and click the Change button.
To remove a rule for IP filtering, select the relevant rule in the table. On the opened page, click the
Delete button.
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