Yandex DNS is secure. Configuring and disabling the Yandex.DNS service on different devices. The PC received the router address as the DNS address

One of the key issues in organizing access to the Internet in educational institution is Content filtering. Namely, its organization.

According to

Federal Law of December 29, 2010 N 436-FZ (as amended on June 29, 2015) “On the protection of children from information harmful to their health and development”

An educational institution is obliged to protect students “from information that is harmful to their health and (or) development.” These obligations were also transferred to the shoulders of the provider providing Internet connection services to the educational institution.

But as practice shows, during a prosecutor’s audit, if the fact of access from local network schools to prohibited content, the school director, not the provider, is summoned to court. Thus, the task of organizing content filtering falls entirely on the shoulders of the school’s IT staff.

When analyzing the problem, we found out that the most effective solution to this problem is to organize the operation of a content filtering server using “white lists” (). But this filtering method is only suitable for students, and we also have employees - teachers, administration, technical staff. staff etc.

When setting up a server, we can lay down rules for distinguishing users either by IP or by login.

Yandex.DNS:

After users are divided into access categories, you need to set up content filtering for employees. Previously, we had already set up access for them using “black lists,” but constantly updating “black lists” is a task that requires a lot of time and effort. It would be logical to automate the process. And here you can use the service Yandex.DNS.

That is, instead of adding prohibited sites to the file ourselves, we will use a ready-made solution. Yandex.DNS has already compiled such a list.

Yandex.DNS offers three levels of filtering ():

Base.
Safe.
Family.

We need the most “severe” level - Family.

Content filtering. Setting:

In order to configure content filtering through Yandex.DNS, you need to enter Yandex.DNS IP addresses as DNS servers in the network settings of the content filtering server. In our case it is 77.88.8.7 And 77.88.8.3

We are all pleased when the browser works quickly, smoothly and immediately finds the necessary information.

This is exactly what resources were created for. What is DNS?

What are the benefits of using Yandex.DNS? Let's figure it out.

DNS - what is it?

The abbreviation DNS stands for Domain Name System, in Russian it is the Domain Name System.

Domains- these are, simply put, names or addresses by which sites, services, users, and so on are distinguished.

Each registered entity on the Internet has its own domain name.

The Domain Name System combines these addresses into a single database, which significantly speeds up the search.

The Yandex domain system has access to more than 80 DNS in various countries.

This system, when a request arrives, transfers the user to the nearest service, thanks to which the information is processed faster.

We get accelerated search and fast loading of sites.

This can be compared to many books neatly laid out and organized on countless shelves, and in a whole series of rooms.

And Yandex.DNS, as an experienced custodian who knows by what system everything is distributed, therefore, with lightning speed it decides which room a person needs to be directed to so that he can quickly find what he is looking for, then to which rack, row, and so on.

This, of course, is much more effective than looking for the right book in an ordinary book pile.

Advantages of Yandex.DNS

In addition to loading speed, Yandex.DNS performs protective functions. For example:

protects against malicious codes
protects against burglars
protects against financial fraud
blocks “adult” pages

Yandex.DNS has been operating since 2013. You can run this system in any of the three proposed modes. So there is:

Basic mode
Safe Mode
Family mode

Let's look at these points in more detail. First, let's talk about modes.

Basic mode

By choosing this mode, you will get accelerated access to sites and fast loading of pages without any filtering.

There will be no checking for viruses, hacking, harmful or obscene information.

This mode is suitable for those whose resources are already protected, but who are only interested in the speed of processing requests.

If your resource still needs additional protection, choose a different mode.

Safe Mode

In this mode, Yandex checks traffic for the presence of malicious encodings created to extort money, hacking sites that steal passwords and codes.

If something suspicious is detected when loading onto your resource, the service blocks the dangerous site and stops loading the page.

You will receive a warning and information about exactly why the connection was interrupted.

Family mode

This mode includes the functions "Safe", but in addition to protecting the system, it also protects the user’s family from various obscene and immoral information.

This is especially important for those who have children. It is not so easy to explain to children which sites are useful to visit and which are not and why.

IN "Family" mode, Yandex will block any content filled with information and materials of erotic and pornographic content.

Not only will your children not end up on an obscene page, but they will also not see obscene advertising.

You can simply visit innocent sites for handicrafts, tourism, or use them and pick up a viral code on your resource.

To protect the user's system from such attacks, Yandex. DNS blocks pages containing a potential threat to your system and warns about the threat.

Hacking threat

Some scammers can hack your resource and connect to it in order to access other services from it.

Such criminals create bots to steal keys, break security, break passwords, and send malicious codes.

Bots can remain in the shadows for a long time and the owner of the resource may not know anything about the fact that his system is being blatantly used.

As you can see, the connection for Android is made through the Wi-Fi settings.

Connections are made in a similar way from other mobile systems. The differences will only be in the nuances.

Is Yandex.DNS effective?

How many people, so many opinions. Some people are delighted with the Yandex address directory and describe it as super-fast, while others think it is slow and oversaturated with advertising.

It is important to understand that the speed of processing information and responding to requests in a network of addresses depends not only on the correct operation of the system itself that you have chosen, for example, Yandex.DNS, but also on the remoteness of this resource from you.

It is always better to use the closest DNS database.

If the territory where you are located is within the immediate coverage area of Yandex.DNS, then most likely the speed will please you.

Here's how one of the Yandex users suggests doing it:

The Yandex company has more than 80 DNS addresses, which are located in Russia, the CIS countries and Europe. All requests from users are processed in the nearest servers, which allows you to increase the speed of opening pages. In addition, Yandex DNS servers allow you to filter traffic to protect your computer and users.

Let's take a closer look at the Yandex DNS server.

Yandex offers to use its DNS addresses for free, while guaranteeing high and stable Internet speed. All you need to do is set up your router or connection on your personal computer.

Yandex DNS server modes

Depending on your goals, you can choose three operating modes of the DNS server - Basic, Secure and Family. Each of these modes has its own address.

Basic is the simplest mode that guarantees high speed connections and no traffic restrictions.

Safe - a mode that will not allow malicious programs to install on your computer. To block virus software, an antivirus based on Yandex algorithms using Sophos signatures is used. As soon as an unwanted program tries to enter the computer, the user will receive a notification that it has been blocked.

Moreover, safe mode also includes protection against bots. A computer, even without your knowledge, can be part of networks of attackers who, using special software, can send spam, crack passwords and attack servers. Safe mode blocks the operation of these programs, preventing them from connecting to control servers.

Family mode has all the safe properties, while recognizing and blocking sites and advertisements with pornography, fulfilling the need of many parents to protect themselves and their children from sites with erotic content.

Setting up a Yandex DNS server on a computer

To use the Yandex DNS server, you need to specify the DNS address according to the mode in the connection settings.

1. Go to the control panel, select “View network status and tasks” in the “Network and Internet” section.

2. Click on a valid connection and click Properties.

3. Select “Internet Protocol Version 4 (TCP/IPv4)” and click on the “Properties” button.

4. Go to the website and select the mode that suits you. The numbers under the mode names are the preferred and alternative DNS servers. Enter these numbers in the Internet Protocol properties. Click OK.

Setting up a Yandex DNS server on a router

The Yandex DNS server supports work with Asus, D-Link, Zyxel, Netis and Upvel routers. You will find instructions for setting up each of these routers at the bottom of the main DNS server page by clicking on the router name. There you will also find information on how to set up a server on a router of another brand.

Setting up a Yandex DNS server on a smartphone and tablet

Detailed instructions on setting up devices on Android and iOS can be found at home page. Click on “Device” and select the type of device and its operating system. Follow the instructions.

How to remove DNS Unlocker adware virus? Are you having problems with a virus that changes your home page, displays ads in your browser and changes the DNS address of your Internet connection? We'll show you how to remove it manually, step by step.

DNS Unlocker is an extremely annoying Adware-type program; not only does it display ads and make using the browser much more difficult, but it also changes the Internet connection settings and DNS addresses in the network card settings. It is difficult to ignore, and it is unsafe to leave it on the computer, as it can cause harm Windows system. So, how to get rid of it and where to look for it on the disk.

Attention! We recommend that you complete all the steps, because if even one message about DNS Unlocker remains, then after restarting the computer, the virus will spread again in the Windows system. Even if it does not appear in some places described in the following steps, you should definitely double-check its presence with the MalwareBytes AntiMalware program. Skipping some steps will cause the virus to spread quickly, so before restarting your computer you need to make sure that all links to it have been removed.

Before starting treatment, you should close all browsers.

Step 1: Uninstall DNS Unlocker from Control Panel

Let's start from the very beginning simple way– removing DNS Unlocker from the Control Panel. Go to the Start menu and launch Control Panel (if you have Windows 8.1 / 10, you can find it through the search bar). Then go to Programs>Uninstall programs.

Wait a bit until a list of all programs installed on your computer opens. Find the line with DNS Unlocker in the list, highlight it and click the “Delete” button.

Step 2: Removing the DNS address in the network adapter settings

DNS Unlocker is not such a simple malware that only changes the home page in the browser. This virus also makes adjustments to the Internet connection parameters, namely, in the network card settings, it changes the addresses of DNS servers. They must be removed manually.

Open Control Panel, then go to Network and Sharing Center. In this section, select “Change adapter settings” from the side menu on the left side. All network connections installed on the computer are displayed here. Usually in this window you will find two shortcuts - Ethernet (connection via network cable) and Wi-Fi card.

Right-click on the network card that connects your computer to the Internet and select “Properties.” In the list of network card protocols, look for the item “Internet Protocol version 4 TCP/IPv4”. Select it and click on the “Properties” button.

In the new window, find the section responsible for DNS server addresses (at the bottom). Typically, DNS Unlocker changes DNS addresses to the following:

82.163.143.172
82.163.142.174

If these addresses are listed here, you need to delete them. Let's not close this window. Click on the “Advanced” button and go to the DNS tab.
You also need to check whether any other DNS addresses are registered. There may be, among others, the address of the provider, so before deleting, write them down in a notepad if you are not sure which of them is responsible for the connection to the Internet. If there are no DNS addresses, return to the previous window and check the “Obtain DNS server address automatically” checkbox and confirm the change with the “OK” button.

Step 3: Remove DNS Unlocker entries in Registry Editor

DNS Unlocker can add its entries to the Windows system registry. Therefore, it must be checked. To do this, press the Windows + R key combination, then in the window that opens, enter the regedit command to enter the registry editor.

In the main editor menu, go to the "Edit" tab and then "Find". Enter “dns unlocker” or just part of this combination of words, for example, “unlocker” into the search box. If the search results in records that clearly point to DNS Unlocker, delete them. Continue searching to the end using F3 or “Find Next.” Then close the Registry Editor.

Step 4: Check your browser shortcuts

Most often, adware-type malware modifies browser shortcuts. In this case, DNS Unlocker doesn't do anything like that, but it's still worth checking before launching the browser. There are cases that with the help of this virus, in addition to ads by DNS Unlocker, another “pest” can infiltrate.

Right-click on the browser shortcut on your desktop, and then go to properties. If the shortcut is pinned to the Windows Taskbar, hold down the Shift key on your keyboard before right-clicking.

In the browser shortcut properties, pay attention to the “Object” field. The entry must end with a ".exe" file. If, however, something is added there (for example, the address of a web page or some kind of code), then it must be deleted. To confirm the changes, click on “OK”. Do not launch the browser until you have completed all the steps.

Step 5: Clear your browser of DNS Unlocker remnants

Its presence in the browser can be determined by the signature in the Ads by DNS Unlocker advertising blocks.
In this step, you need to clear all changes that DNS Unlocker may have made to your browser settings. We'll show you how to do this in Chrome browsers, Firefox and Internet Explorer.

Chrome

Launch your browser and then enter:

chrome://net-internals/#dns

A page with DNS settings will appear on the screen. Opposite the “Host resolver cache” item, click on “Clear host cache”. Then press CTRL + H to go to your browsing history. Click on the “Clear browsing history” button and delete it for all time (only uncheck the “Passwords” option so as not to delete saved passwords).

Firefox

In the Firefox browser, click on the button with three lines, and then go to Settings. In settings, go to the "Privacy" tab and click the "clear your recent history" button. In the time range, select All, and then in Details, check all items.

Internet Explorer

Launch the IE browser, and then from the Tools menu in the top right corner, select Internet Options. On the General tab, find the Browsing History section, then click Delete and check all but Password and Web Form Data. Confirm the deletion by clicking the "Delete" button.

After cleaning your browsers manually, everything should be fine and ads by DNS Unlocker will no longer appear on your computer. If you want to make sure that the virus is completely removed, run the MalwareBytes AntiMalware program to scan your computer.

Good day. As you might guess from the title, today we will look at a fairly simple but effective protection against pornographic and fraudulent sites. Why DNS? Because it’s very simple, and if you have a router installed, you can extend its action to your entire home network at once. But first, let's figure out what kind of beast this is and how it works.

We find the desired item in the menu and enter the following addresses, depending on the selected work profile:

Basic: 77.88.8.8 and 77.88.8.1
Secure: 77.88.8.88 and 77.88.8.2
Family: 77.88.8.7 and 77.88.8.3

I will show an example on the basic profile, but for most users I recommend using “Safe”, and if you have children at home, “Family”.

Setting up Yandex DNS on a TP-Link router

It's best to set this up on your router.

If you want to set up only one computer or you don’t yet have a router and a home local network, then let’s take a different path. In the tray, right-click on the “Network” icon and select “Network and Sharing Center.”

Setting up Yandex DNS on a DOCSIS 3.0 C7000 router

I have an Akado provider, who provided me with a DOCSIS 3.0 C7000 router, I will give an example of how to configure “Yandex DNS” in it. As you can see from my example, my network settings and DNS servers come from the router. DNS servers are external providers.

To fix this you need to go to the "Network - WAN" section. Select in " WAN Connection Type" option "Static IP", then enter the static data that you need to obtain from your provider.

Configuring Yandex DNS on the network interface in Windows

This method Suitable for absolutely all users, especially those who do not have the ability and knowledge to configure everything at the router level. This example will be relevant for any Windows versions. Open the Run window (by simultaneously pressing the WIN and R keys) and enter the command there:

or through the Windows notification area by selecting the network icon there.

Click on the main network adapter, this will open the current status and statistics page.

Opening properties