Asus RT-AC66U - Manual (Page 81)

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4.6.3 Keyword filter
Keyword filter blocks access to webpages containing specified
keywords.
To set up a keyword filter:
1. From the navigation panel, go to Advanced Settings >
Firewall > Keyword Filter tab.
2. On the Enable Keyword Filter field, select Enabled.
3. Enter a word or phrase and click the Add button.
4. Click Apply.
NOTES:
• The Keyword Filter is based on a DNS query. If a network client has
already accessed a website such as http://www.abcxxx.com, then
the website will not be blocked (a DNS cache in the system stores
previously visited websites). To resolve this issue, clear the DNS cache
before setting up the Keyword Filter.
• Web pages compressed using HTTP compression cannot be filtered.
HTTPS pages also cannot be blocked using a keyword filter.