How to set a restriction on the Internet. How to limit Internet use in Internet Explorer. How to set up Internet access restriction on your tablet or smartphone

29.10.2023 -

Another pressing topic for caring parents is limiting the time a child spends on the Internet.

Simple and uncomplicated, no cost, the way I prefer to solve problems.

When looking for ways to restrict children from constantly being online, the Internet offered me measures from installing special programs or anti-virus packages with this function on the computer, pulling out the wires from the PC, to administrative measures “belt”.

Each option has its own advantages and disadvantages and each of them is not ideal. In the case of programs, these are material costs and setting up programs; in the case of administrative and physical influences, these are parental nerves because such methods do not bring pleasure.

A huge drawback of the proposed software is that it only works on the device on which it is installed. Those. on a device that belongs to a child and to which he has access more than his parents, including for attempts to change the software settings or remove it altogether, and sometimes the price asked for such software may be decisive.

A large number of devices with different operating systems, with support for Internet access, exceeds the capabilities provided by software developers (For example, simultaneous operation of software on Windows OS, Linux OS, Java, Android, iOS), as well as the desire of parents to set up “Internet restriction” to all devices on your home network.

Also inconvenience in the “age of consumerism and the victory of marketers” can be caused by the appearance of new devices on the home network, on which it will not be possible to install restrictive software, either due to the lack of desire of the parents themselves to understand, or due to the novelty of the device, blocking software on it may not to be.

On my home network, 12 devices have access to the Internet: phones, tablets, laptops, desktop PC, so the problem of ease of setup and management is very relevant. At the same time, it has been noticed that now a computer without an Internet connection is of little interest to children.

The method that I propose is to set up a home router, using the example of TP-Link routers, which have this function even in the cheapest versions.

Advantages of this method:

A router is often the only way to access the Internet for all devices on your home network without exception (with the exception of cases of connecting Internet tariffs from cellular operators to smartphones or tablets with this function). Those. by setting up just one router, you will control all devices at once
The router is working, it doesn’t care about the software installed on the devices
The router is indifferent to the appearance of new devices
The router does not care about “changing the clock” on the PC in order to delay the blocking
The router is configured once, with setting a complex password to log into the router. Also login and password for connecting to the Internet - worth keeping secret
After setting up the router, you can save your settings in a separate file -
Using complex password to the router, the router can only be reset, which will erase all settings for connecting to the Internet. Without knowing the login and password from the provider to connect to the Internet, the router will be just a piece of hardware
Logging into the router is only done to configure or change settings. This happens very rarely, the chance of snooping and remembering the password is minimal
The fact that the router settings have been reset and there is no Internet “everywhere” is hard to hide
Restoring the Internet settings and the parental control changes you made from the backup file takes about one minute, of which 50 seconds are the process of rebooting the router
If a child can still bypass all of these options unnoticed by his parents, then he has acquired not the most useless knowledge in his life. 🙂
Also, changing the standard login and password for the router will protect some Internet attackers who, using brute force methods, find routers with regular passwords from the Internet

Leveling out shortcomings is up to the parents themselves:

Knowing the login and password for the router, you can cancel the changes made (therefore, the password and login should be stored in a safe place)
Knowing the username and password for the Internet, you can reset the router and set up access to the Internet again (the router is accessed very rarely, the fact of the reset may not be noticed for a very long time)

Well, the most important thing in any defense is not to indicate how you did it.

TP-Link routers have an IP Address Filtering function, through the configuration of which we will restrict device access to the Internet.

Moreover, we will not create a large list of devices that need to be limited in Internet use. We will create a “white list” of 3 devices with 24-hour access allowed, and any other device not from this list will have time-limited access to the Internet.

The example will consider stopping children’s access to the Internet from 10 o’clock yesterday until 7 am, but based on this knowledge, you can add rules, for example, to stop access at lunchtime, which will encourage the child to “remember to eat” or do some household chores .

The example does not require a high level of computer literacy, is self-explanatory and is not complicated.

Before starting setup, complete the following steps:

Setting up a TP-Link router

Configuring DHCP and Address Reservation

MAC address is a unique identifier assigned to the device’s network card. The MAC address is permanent and individual for each device.

In this example, the MAC addresses 1,2,3 of the device are known to me and belong to devices whose access to the Internet should not be limited.

We will limit the time spent on the Internet for all other devices 4-10.

Copy/write/remember the MAC addresses of devices with ID 1-3. These devices will have a permanent and fixed address on the home network.

The assigned IP address column shows us the address range of our home network - 192.168.0. N. Where N— a number in the range from 1 to 254; by default, DHCP starts issuing addresses starting from 100, i.e. starting addressing from IP: 192.168.0.100.

Image 1. List of devices that received an address from the DHCP service of the TP-Link router

Let's move on to the point below - Address reservation.

We are adding three devices to which we will not limit access by time.

Press the button Add and fill in the fields in Image 3. We reserve an IP address for a specific device.

Image 2. We reserve IP addresses for certain devices

Press the button Add and in the window that appears, enter the MAC address of the first device, in the example: 10-3B-59-8A-EE-0A, assign the address 192.168.0.10 to this device (we can select any one in the range from 192.168.0. 2 to 192.168.0. 254 , IP address 192.168.0.1 - already assigned to the TP Link router).

Choose State — Included for the reservation to work.

Image 3. Reserving an IP address for a specific device

Thus, we add to this list all devices that should have unlimited time on the Internet. ( see Image 2. We reserve IP addresses for certain devices).

In the example, 3 devices are added.

Enabling protection and setting up IP address filtering

Let's go to point Firewall and check the boxes opposite:

Turn on Firewall
Turn on IP address filtering
Prevent packets not specified in the filtering rule from passing through the router

Without enabling the first item, the router cannot use any types of filtering, even if they are checked.

The second point will use what we need in the lesson - IP filtering.

Image 4. Enabling Firewall and IP filtering

The third point allows us to use a “white list”, i.e. in my case, allow unlimited access only to specified devices, of which I have only 3 out of 12. If you have 12 devices and only one of them needs to restrict access, you should configure the option Allow access to the Internet to these computers specified in the enabled rules.
Click Save.

Image 5. Adding IP address filtering rules

Let's move on to point IP address filtering, press the button Add.

We create the first rule describing 3 allowed devices.

Working hours (rule validity time) from 00 hours 00 minutes to 24 hours 00 minutes, i.e. all day long
IP address on the LAN network. We indicate the reserved addresses of “white list” devices, because I assigned consecutive addresses, I can immediately specify the range 192.168.0.10 to 192.168.0.13 (in fact, it is necessary up to 192.168.0.12, since there are only 3 devices, typo in Image 6)
Action - Allow.

Specified time I I allow access For Specified range of IP addresses.

WITH 00 hours 00 minutes to 24 hours 00 minutes, devices with addresses 192.168.0.10, 192.168.0.11, 192.168.0.12, 192.168.0.13 - router Allowed access to the Internet.

Image 6. Adding a whitelist rule

We create a second rule that describes all other (children's) devices.

Working hours (rule validity time) from 07:00 to 22:00
IP address on the LAN network. We do not indicate this, this means that the entire possible range of addresses is used
Action - Allow.

A logically created rule sounds: in Specified time I I allow access for all IP addresses.

WITH 07:00 am to 22:00 pm, Any device - router Allowed access to the Internet.

Image 7. Adding a rule for limited Internet time for all devices

We check the correct creation of rules, compare addresses and time restrictions.

Logically the router checks:

If Any time, A device addresses match from 192.168.0.10 to 192.168.0.12, That We allow access without checking subsequent rules
If the addresses from the first point do not match the “white list”, then Let's allow access, Any device on our network if now is the time period from 7 am to 10 pm without checking the subsequent rule
If it turns out that the device is not from the “white list” (point 1) or the current time is from 22-00 pm to 7-00 am, we deny access to everyone.

Image 8. Checking the correctness of the rules

Congratulations, the hardest part - creating the rules - has been successfully completed!

Reboot the router to accept the changes

For the changes to take effect, reboot the router.

Select a section System Tools, paragraph Reboot.

Image 11. Restarting the router

The router reboots, you can check the operation of the filtering rules (if the time you specified has arrived), I also recommend rebooting (or reconnecting to the Internet) the devices from the “white list” so that the IP addresses are updated and the router assigns the addresses reserved for them to these devices.

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Parental control. How to limit your child's access to the Internet by time.. Last modified: 09/23/2018 Yun Sergey

The problem of safe Internet for children is very relevant these days. The child returns home after school and is completely left to his own devices. While his parents are at work, he can freely play on the computer and use the Internet. The games that a child plays can be controlled, the Internet is another matter - in two clicks a child can find himself on the “18+” website and see scenes that go beyond the understanding of even an adult, or worse, find pictures online with scenes of violence, beatings, etc. d. Which negatively affects the child’s psyche, which has not yet had time to fully form.

An older child may be attracted by bright advertisements of various betting sites, online casinos, fortune telling and horoscopes that trick people into sending SMS and much more. We cannot prohibit a child from using the Internet all the time, but try to protect him from the negative influence of the World Wide Web. To do this you only need to devote a little time.

1. Standard Windows 7 tools for installing parental controls.

The first step is to go to the control panel and select “Parental Controls”.

The second step is if we do not have an account for the child, create one (regular user). The administrator (you) must have a password set, otherwise the child will quickly bypass the restrictions.

Options available: time limit, launch games, launch programs.

The third step is setting up the computer work time for each day of the week.

The fourth step is to set a limit for games. It is possible to block the launch of all games or select a category of games that corresponds to the child’s age. Classification is carried out according to the Entertainment Software Rating Board (ESRB). For children of primary school age, games of class “E” correspond to scenes of mischief, and for teenagers “T”, with moderate scenes of violence and swearing, are acceptable.

If the classification does not suit you, you can manually configure the settings for games.

The fifth step is to indicate the programs that the child can run.

To hide potentially harmful content from children while surfing the Internet, special browser add-ons are used. With their help, you can both block access to certain sites and hide advertising that is not intended for children's eyes.

The Opera browser has a website blocking mechanism, but you will have to configure it and add unwanted websites manually. Over time, the procedure will have to be repeated as new advertisements appear, which is not very convenient. For this purpose, there are complex automated solutions with ready-made databases of advertising links and advertisements. By installing such a plugin for your browser, not a trace of advertising will remain, and if something remains, you can always blacklist such advertising.

List of plugins for the most popular browsers.

Opera AdBlock- the plugin is on the website

Adblock Plus- for Mozilla Firefox download on the website

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Google Chrome- you can choose AdBlock or Adblock Plus in the app store

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Simple Adblock for Internet Explorer you will need to download from the official website.

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3. Blocking unwanted sites.

The above plugins allow you to get rid of advertising on pages, but they cannot block unwanted page content or prevent a child from accessing a particular site. To filter out unwanted sites based on their content, you will need additional browser tools.

Firefox - plugin FoxFilter, download it from

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Google Chrome - plugin WebFilter Pro

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WebFilter Pro has a large database of sites with dubious content, which has a very positive effect on filtering out and blocking sites with unpleasant images and texts.

In the plugin settings, you need to select categories (adult sites, gambling, weapons and bad habits) by which sites will be blocked. If you consider it necessary, you can additionally block social networks and browser games.

If a child goes online to a site that falls under the selected categories, he will only see the following message.

And to prevent a child from being able to unblock the site and make changes to the filter settings, access to it can be password protected. Moreover, you can specify your email address in the settings. To which notifications will be sent when a child tries to access one or another site from the blacklist.

In conclusion, I would like to say that, unfortunately, WebFilter Pro, no matter how well it works, sometimes still misses sites. Therefore, let's move on to the next steps.

4. Setting up parental controls in antivirus programs.

The parental control function in antiviruses is available only in paid versions. Let's look at setting up parental controls using an example Kaspersky Internet Security

We launch the antivirus by double-clicking on the icon and in the window that appears, select “Parental Control” and set a password to prevent the child from changing the program parameters without the knowledge of the parents. Select an account that belongs to the child. Click the enable button and configure the settings.

The following options are available:

Account settings - you can customize your appearance (avatar) and you can assign a nickname. You also need to make sure that the (enable user control) checkbox is checked.

Using a computer - you can configure the time spent on the computer; it is possible to strictly specify days and periods of time. In this case, the child is allowed to use the computer only from 12:00 to 14:00 and from 18:00 to 20:00. And on weekends it is allowed from 11 to 21 hours.

An additional parameter “limit use during the day” - allows you to set the time that the child can spend at the computer during the day. For example, you have set the possible operating time from 11-00 to 18-00, but it is additionally possible to limit the duration by setting the operating time, for example, 5 or 7 hours. And although the time range is 9 hours, the child will be able to spend no more time than this.
You can see your child’s time spent at the computer in reports.

Launch programs - allows you to create a list of programs that will be blocked from launching. The program can also be blocked by time, for example, allowing the use of Skype or some toy only from 17-00 to 20-00

Click on the “Add” button and in the window that appears, select the program we need from the list or indicate the path to its location on the hard drive.

Using the Internet - the function is similar to "Using a computer", we set the time according to which the child can turn on the Internet. You can limit your time, for example, spend no more than 3 hours a day.

Website visits - limit visits to sites that fall under selected categories. Using these settings, your child can be protected from a whole range of negative information on the Internet.

This menu item also allows you to “Block visiting all websites except those allowed in the exclusion list.” In other words, the child can open only those sites that you indicated in the list; others will not be available to him. These sites need to be added to the list by clicking on the "Exceptions" button.

Downloading files - you can prevent downloading of certain types of files. In order to protect against viruses and Trojans, it is recommended to prohibit (programs and archives). Video and music are at your discretion if the Internet is unlimited.

IM correspondence - blocking unwanted contacts in popular chat programs (ICQ, QIP, Mail.Ru, Skype and others).

Social networks - permission to correspond with certain contacts. It will be possible to add a contact only after the child is active on one or another social network. In the reports, you can view correspondence with the selected contact. Social networks contain a lot of information that is not intended for children.

Personal information - a child, due to inexperience, can send personal information to other people: home address, phone numbers, credit cards and much more. By entering the necessary information into the register, you can prevent its transfer to third parties.
To do this, first generate them and click the “Add” button and add them to the list.

Keywords - by making a list of words, for example vodka, gambling, etc. You will be able to track what your child searched for and on what sites.

Parental controls are configured in a similar way on other antiviruses.

5. Gogul - children's web browser.

For primary schoolchildren, I would like to highlight the wonderful federal program for safe children's Internet - Gogul. (

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). Having downloaded and installed a component for Mozilla Firefox? You will turn your usual browser into a cute children's Internet browser. But the main feature of this project allows the child to use useful Internet resources for learning and development. To do this, set the website as the home page

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. "The Internet and Children" is a directory of sites intended for children, which are carefully selected and grouped by topic.

First of all, we go to the Gogul website. (gogul.tv) and register to create a personal account. In your personal account, you can set up Internet use schedules, set up a list of allowed sites, view statistics on visited websites, etc.

The second step is to add children's accounts and set up Internet use.

Installing the “Gogul” add-on - download the add-on for the Mozilla Firefox browser from the official website. (Please download and install this browser first if you do not have it). During downloading, a request for permission to install the add-on will appear - we agree.

After the Gogul installation process is completed, a shortcut to launch the program will appear on your desktop. When you first start, you will need to enter the email address and password specified during registration, and then click the “Activate” button

When the Gogul children's web browser is launched, a list of children's accounts will be clearly displayed and how much time is left available for using the Internet today.

We also recommend downloading a small program from this site that prevents the launch of other web browsers except Gogul, and also has other useful functions (restricting access to folders, files and removable media) to limit a child’s access to the computer.

Let's summarize.

1. To introduce restrictions for a child to work on a computer, you must create a separate account.
2. Use browser add-ons if you do not have a paid version of the antivirus.
3. Use a comprehensive solution by setting up your own antivirus.
4. For children of primary school age, set up children's Internet Gogul.

All this will take you a little time, but you can to some extent protect your child from the negativity of the Internet, as well as control the time spent on the computer while you are at work.

Unfortunately, sooner or later the child will still encounter this problem - friends on the computer, children at school can be “enlightened” using a tablet or smartphone. It all depends on the parents’ approach to this issue and methods of education. It is necessary to have time to instill the correct moral principles in a child before the “street” teaches him to perceive everything completely differently.

Almost every child has their own smartphone or tablet, which is a window into a huge, attractive and inviting, but far from harmless, virtual world. Parental control tools will help protect minors from harmful information, as well as limit the time they spend on the Internet and playing games. Today they are being developed not only for desktop computers, but also for Android-based mobile devices.

I suggest you get acquainted with several programs that allow you to filter and block unwanted content, and also have other functions useful for parents.

Google Play Features

The simplest parental control tool is present in Android by default - this is one of the Google Play functions. With its help, you can prevent the installation of applications that are not suitable for the child’s age.

For this:

The “Content filtering settings” list has 3 sections: “Applications and games”, “Movies” and “Music”. As for music with explicit lyrics, access to it can be either completely allowed or prohibited.

In the other two sections there is a gradation by age (rating) - from 0 to 18 years. Choose something that is age appropriate for your child.

Unfortunately, the Russian version of Google Play parental controls does not filter all the content that is in the store. For example, it will not prevent a child from downloading a comic or book that contains non-childish information. In addition, this option is ineffective if the child knows how to use a browser, so parents of children over 7-8 years old are better off installing a separate security application - one of those that I will talk about later.

Parental controls from antivirus vendors

Parental control on Android can be organized using an antivirus, which may already be installed on your child’s phone or tablet. Such products include, for example, F-Secure SAFE and Quick Heal Total Security.

There are also separate programs of this class from antivirus manufacturers. They can be used either as a supplement to the main product or on their own. Let's take a closer look at some of them.

Safe Kids is available in paid and free versions.

Among its functions:

Web content filtering.
Search filtering (allows you to exclude sites with unwanted content from search results).
Lock the device at a set time (except for calls).
Determining geographic location (the parent can find out where the child is).
Monitor device usage and send reports to the parent's phone or email.

The app is easy to set up and easy to use. All the main ways to protect children's safety are present in it. It is suitable for monitoring both teenagers and young children. But it can only be used by mutual agreement, since it has no protection against uninstallation: if the child objects to the restrictions, he will delete the program without any problems.

Norton Family parental control (Symantec)

Norton Family has almost the same set of features as the Kaspersky product. And it is also available in paid and free versions.

Available in the free version:

Function for monitoring website visits (logging).
Web content filtering.
Immediate warning of parents about unwanted actions of the child.

The paid version additionally includes the ability to selectively control access to applications, create a report on device usage for 90 days, and receive weekly or monthly summaries by email about the time your child spends on the device and the activities on it.

Unlike SafeKids, Norton Family has deletion protection, but some particularly cunning teenagers still manage to disable it.

The range of possibilities is somewhat wider. Available in the free version:

Additional functionality is more suitable for parents of primary schoolchildren who are away from home for a long time.

Standalone parental control apps

Perhaps one of the most functional and flexible parental control tools, but paid (from $5.95 per quarter).

Among its features:

Safe search in all popular browsers.
Individual settings for blocking sites (black and white lists).
Limit web surfing by time (you can create a schedule for every day of the week).
Remote control of settings and rules (from an adult’s smartphone).
Limiting the time you can use the device.
Reports on the child’s online activity (time and content of sites visited, search queries).
The ability to allow or deny a child access to certain content in real time.
Hiding applications not intended for use by children (customizable individually).
Blocking applications based on operating time.

Despite the abundance of features, SafeKiddo is quite simple to use. In addition, it can be used to control several children, using separate rules for each.

Kids Zone Parental Controls

Kids Zone Parental Controls are useful for creating separate profiles for children on a device used by an adult. The program is intended mainly for children. Available in free and paid versions.

With Kids Zone you can:

Create an individual profile on your phone or tablet for each child, set their personal wallpaper on their desktop. Children's profiles will only display apps that you allow.
Protect program settings from changes using a PIN code.
Limit the time you use the device.
Block outgoing calls and SMS.
Deny Internet access.
Prohibit downloading and installation of programs from Google Play and other sources.
Block access to device settings and personal data of the parent's account.
Monitor children's use of the device.
Remove the lock by pressing one button (when you need to answer a call).

The only inconvenience of Kids Zone is that it is not translated into Russian. But in all other respects it’s quite good.

Almost every child between the ages of seven and fourteen has a device that allows them to freely “travel” the World Wide Web. And their first contact with a laptop occurs at an early age.

Parents understand that the Internet is not only a way to quickly get the necessary information or an opportunity to communicate with people on another continent. The Internet is full of content that is not suitable for children. But how can you limit your children's access to the Internet so that they can still do their studies? There are several ways to block inappropriate content on different devices.

How to restrict children's access to the Internet?

First, parents need to understand what the essence of parental restrictions on access to the Internet and applications is. This protective measure is a control over the impact of the Internet and personal computer on a child. Parental controls are activated either using software built into the operating system or using third-party applications.

To understand how to restrict children's access to the Internet, you need to understand the types of parental controls. Access restriction can be divided into two main subtypes:

Active parental controls.
Passive parental control.

Active control consists of total monitoring of all the child’s actions. The software sends the parent a list of sites visited by the child. An adult can also impose a ban on loading sites containing inappropriate content.

Passive parental control allows you to introduce a time limit for using a personal computer or smartphone. The parent can also prohibit the downloading, installation or launch of certain applications, for example, games. Children can only have access to a certain list of sites, and so on. It’s easy to figure out how to restrict children’s access to the Internet. No special skills or knowledge required. The menu of specialized applications is intuitive.

Parental controls on a computer or laptop

Many parents wonder how to limit their child's access to the computer. Setup in the Windows operating system does not take much time.

First you need to go through the following path: “Start” - “Settings” - “Accounts” - “Family”. Next, you need to create a new profile by clicking on the “Add family member” button. The system will then prompt you to “Add a child account.” After entering the basic data, you must indicate the age of the child. If you put a date that says it will be less than eight years old, the operating system will automatically set the maximum security level.

Parental controls in action

After installing parental controls, questions about how to restrict your child’s access to the Internet do not arise. Windows will automatically block unwanted content. But parents themselves can make some changes.

For example, a parent can set a timer. By setting the exact operating time of the device, adults can be sure that the child will not spend the whole day playing games. Parental controls allow you to block certain applications. The program also allows you to track how much time your child spent on specific applications.

In addition, every week the parent will receive complete information about the activity of the child who used this device.

Setting up Internet access restrictions on a smartphone or tablet

There are several options for limiting your child's Internet access. Android devices allow you not only to use the built-in functions, but also to download a special children's launcher from the Play Market.

"PlayPad Children's Launcher" after a simple installation will allow parents to strictly limit the list of applications that can be launched. The program will also ensure that the child does not wander into online stores and make purchases. In addition, exiting “children’s mode” will be available only to parents.

The launcher gives parents the ability to control the device remotely, set time limits for using the gadget, and will also help track the child’s location.

Devices running Android version 5.0 and below have a built-in “Pin to Screen” function that allows you to limit access to one pinned program. In order to configure this function, you need to go to “Settings” - “Security” - “Attach to Screen”. In the window that opens, you must select one of the proposed programs and secure it. The child will not be able to exit the application without the parent's permission.

Just as parents first teach their child to speak and then to remain silent, so computer users first look for the possibility of free access to the Internet, and then for the opportunity to close access to it. What are the reasons that force you to give up the Internet, and what simple methods can this be achieved, we will try to consider in this article.

The desire to “cut off the oxygen” to your computer may arise if you do not want to pay for traffic that will be consumed in your absence, or you are concerned about uncontrolled access to the network for your children, relatives, or work colleagues. Also, it is quite understandable to fear information leakage when working with specialized programs and confidential information. Alternatively, it may be necessary to block access to the network for gaming or other programs, without restricting access to the network individually, but completely blocking access to the Internet.

We dare to offer you several more or less radical ways to block the Internet on a computer running Windows 7:

Disabling a network adapter on the system
Setting the wrong proxy in system settings
Block outgoing connections using the built-in firewall
Blocking connections using third-party firewalls
Installing parental controls in specialized programs and antiviruses
Contact specialists to set up Internet access blocking

1. Disabling the network adapter in the system

This radical method completely deprives the computer of communication with the outside world, be it the Internet or a local network. You need to open “Device Manager” (following the path Control Panel / System and Security / System),

where, having found your network card, right-click on its name and select “Disable”:

The network card will be disabled for all computer accounts and it will only be possible for a user with administrator rights to return it to work by going all the way from the beginning and selecting “Enable”.

2. Setting the wrong proxy in system settings

This method forces programs to use false proxy server settings (for example, you can specify the address of your own computer, 127.0.0.1) and is good because it can be set for each account separately. However, one downside is that it can be easily disabled if the user knows where to do it - there are no user rights restrictions for this setting.

Having launched Internet Explorer, and opening “Internet Options” on the “Connections” tab, click the “Network Settings” button:

In the window that opens, set the proxy server address to 127.0.0.1 - and if a proxy server is not installed on your computer, programs that use the system proxy will be severely deceived.

Unfortunately, not every program uses the system proxy address, so this method may not be applicable in every case.

3. Block outgoing connections using the built-in firewall

Using this method, you can prevent outgoing connections using the TCP protocol, blocking access to the Internet to programs trying to gain access there.
Open your firewall settings (Control Panel / System and Security / Windows Firewall) and select “Advanced settings”:

Next, you need to create a new rule in “Rules for outgoing connections”: