User guide

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4.7.4 URL filter
 Enable: Selecting this checkbox enables the URL Filter function.
 URL: Enter an Internet address you wish to restrict from your network. You may enter
multiple addresses and save them one at a time. Example: sample.com, will not only block
www.sample.com, it will also block access to other domains of sample.com.
4.7.5 Firewall
 Firewall: Most of the firewall settings prevent certain types of attacks on the network. It
may be left disabled (default setting) unless a greater level of security is desired. It is not
recommended that you implement any of the Firewall options without an understanding of
what they do and how they might affect normal network operation.