Draytek VIGOR2860 series User Manual page 456

DNS Filter Local Setting
Administration Message
After finishing all the settings, please click OK to save the configuration.
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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. You can type the
message manually for your necessity or click Default
Message button to get the default text displayed on the field
of Administration Message.
Preview – A dialog will appear to display the message typed
in the Administration Message.
Vigor2860 Series User's Guide