D-Link DSL-520B

47D-Link DSL-520B ADSL2+ Modem User Manual
Section 7 - Device Info
Incoming
Click Security > IP Filtering > Incoming.
Bydefault,allincomingIPtracfromtheWANisblockedwhentherewallisenabled.However,someIPtraccanbeaccepted
by setting up lters.
Click Add,thefollowingpageappears.Inthispage,youcancreatealterruletoidentifyincomingIPtracbyspecifyinga
new lter name and at least one condition. All specied conditions in this lter rule must comply with the rule. Click Save/
Apply to save and activate the lter.
You should select at least one WAN interface to apply this rule.