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D-Link DSL-520B ADSL2+ Modem User Manual
Section 7 - Device Info
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.
Security
IP Filtering
Summary of Contents for DSL-520B
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