Security; Ip Filtering - D-Link DSL-520B User Manual

Section 7 - Device Info

Security

IP Filtering

Click Security > IP Filtering and the following interface appears. By default, the firewall is enabled. The firewall is used to block
document transmissions between the Internet and your PC. It serves as a security gate and permits only authorized traffic to
be sent to the LAN.
Note: If the modem is configured to bridge mode only, IP filtering is disabled and the IP filtering interface does not appear.
If the modem does not configure a PVC of Bridge mode, MAC filtering is disabled and the MAC Filtering interface does not
appear.
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