Draytek Vigor2920 Series User Manual page 264

Available settings are explained as follows:
Item
DNS Filter
Syslog
Service
Cache Time (hour)
Enable Block Page
Vigor2920 Series User's Guide
Description
Check Enable to enable such feature.
The filtering result can be recorded according to the setting
selected for Syslog.
None – There is no log file will be recorded for this profile.
Pass – Only the log about Pass will be recorded in Syslog.
Block – Only the log about Block will be recorded in
Syslog.
All – All the actions (Pass and Block) will be recorded in
Syslog.
Set the filtering conditions. Specify one of the WCF
profiles as Service.
Choose the WCF profiles to apply DNS filter.
Set the time for DNS query.
Check the box to enable such function.
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