By analyzing queries in search engines dedicated to blocking inappropriate content on the World Wide Web, we can identify a tendency that today users are increasingly interested in means and methods of blocking access to a particular resource on the Internet. How to restrict access to the site is an urgent issue both for system engineers and administrators of large companies, and for home users. The former block access to resources that reduce labor productivity, are third-party and do not belong to the scope of the enterprise. For the second, the priority is the restriction of access to certain sites to ensure the safety of their households (especially children of preschool and school age).
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In conclusion, we note that the choice of a functional solution, how to prohibit access to the site, of course, depends on the network administrator, user skills, audience, but in any case it is important to choose a system that will completely restrict access to the selected network resources.