My choice for testing blocking software was Net Nanny because of its ironic name. With few steps I was able to start using it.
Firstly I was testing it with the factory default settings by inserting some forbidden keywords to google. Like expected the search engine gave no results. But there where still some drawbacks. E.g when I googled for "guns" it allowed to go on a site to learn more about grenade launchers or rifles even thoght the hate/violence category was blocked. Keywords "feminism" turned out to be blocked by the content of Adult/Matur and Hate/Violence. So it`s bit controversial if these keyword should be filtered or not.
Now I turned my search keywords to Estonian. In some occasion like "kaardimäng"contenct was blocked but then again search for "viin", "tulistama" gave information needed. So there needs to be done some improvement there.
Major drawback was was that the Net Nanny program administrator interface have just categorised topics. The key words related to the topic where not shown or editable at least I could find a way to do it. This lead some forbidden keywords through filter or blocked contect that should have been visible.
This software seems to be quite useful on having emplyees do their work, student not reach forbidden contect and it also helps to prevent getting hooked by spyware. Just the administrator have to make sure that it does not block some content that should be accessed.
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