Draytek VIGOR2925 SERIES User Manual page 355

DNS Filter Local Setting
Administration Message
After finishing all the settings, please click OK to save the configuration.
DNS Filter Local Setting will be applied to DNS query
from clients on LAN when router's DNS server is used.
DNS Filter - Check Enable to enable such feature.
Syslog - 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.
Service (WCF)- Set the filtering conditions.
Service (UCF) - Set the filtering conditions.
Cache Time (hour) - Set the time for DNS query.
Enable Block Page - If such function is enabled, when
DNS packets are blocked by DNS filter, a web page
containing the description listed on Administration Message
will be shown on the screen.
Type the words or sentences which will be displayed when
a web page is blocked by Vigor router.
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Vigor2925 Series User's Guide