This small but effective tool allows you to set continuous programming for the times and days when Internet access is allowed during “forbidden” times it will not be possible to open any website, since the connection will be blocked. If instead of a generic block of websites we are looking for something that blocks the Internet connection in certain time slots (study, work, night etc.), we can rely on a completely free tool such as InternetOff. In order to fully exploit the potential of this tool, we will have to prevent changes to network settings (to change DNS) and the installation of new programs (such as DNS Jumper) to do this we can use local group policies, as seen in our guide on How to use the Windows Local Group Policy Editor (gpedit.msc). With this program we will be able to configure both a whitelist (all blocked sites except those useful for work) and a less effective blacklist (all allowed sites except those listed). With this advanced Internet traffic analysis and management tool (also based on DNS requests), we will be able to apply DNS blocks to all PCs present in our network or managed by a single administrator, which completely prevent the opening of sites we don’t want to open during business hours. If we are looking for something more oriented to use in business, to prevent employees from opening Facebook or other “distracting” sites, we can rely on the free program NxFilter. Other parental control programs similar to this can be seen in our guide Parental control and family filter on PC and internet: 5 ways to keep children safe. In the home it is probably the most powerful and effective solution, but it is not available for free: we can test its functionality for 14 days, then it is necessary to purchase a user license in order to continue using it. By accessing the program interface (via a master password) we can add the blocking profile to be implemented to our children and choose which sites can visit, which sites cannot visit (both with blacklist and using a whitelist), decide the time of use of the PC (dynamically excluding study hours and night hours) and monitor every activity carried out on the computer, including open programs (which can also be blocked). If the problem concerns our children’s PC, one of the most effective tools to monitor and block unsolicited websites or limit their use time is definitely Norton Family.īy installing the program on the PC it will hide from view and will be started as a system service, so that it cannot be easily deactivated (even when changing users). To make it truly effective, however, we will have to work alongside an app blocking system, so that anyone who uses that profile can only start Chrome as a system browser in this regard, we invite you to read our guide on How to block programs with passwords on Windows PC. The extension obviously also works incognito, to block sites for anyone trying to circumvent the bans in the anomalous mode. The settings can be protected with a master password, so that no one can circumvent the limits imposed and, for greater security, the extension is protected from uninstallation and replicates itself on all the profiles present (in fact it is not possible to circumvent it once installed on Chrome). block everything except) or a blacklist-based approach (allow everything except). By installing this extension we will be able to choose which sites to display and which to block instead, using a whitelist-based approach (i.e.
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