The method of choice to limit access on the internet is to filter either by:-
a)Keyword blocking
The method uses a list of banned word or objects terms such as xxx ,sex and nude.As the page is downloading ,the filter searches for any these words.If found,it will blocked the page completely,stop downloading the page ,block the banned words an even shut down the browser.
b)Site blocking
This method use software to list the web sites that will be blocked by using software.The software also prevents users from being access the web sites on list.
c)web rating system
Web sites are rating in terms of nudity,sex,violence and language.The web sites rates can be done by setting the browser to only accept pages with certain level of ratings.
Tuesday, April 26, 2011
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