Having an unauthorized user connect to your home network is one of the most common problems in the era of ubiquitous wireless technology. If you notice slow internet speeds or unknown devices appearing on your router's client list, you should immediately restrict access. Routers Xiaomi provide fairly flexible tools for managing connected clients, making it easy to kick out uninvited guests.
In this article, we'll cover all available blocking methods in detail, from using a mobile app to configuring them through a web interface. You'll learn how to create a blacklist, change encryption settings, and secure your network from repeated intrusions. Wi-Fi Security It starts with control over every connected gadget, and ignoring this aspect can lead to the leakage of personal data.
Before taking active steps to disable the network, it's worth conducting a quick diagnostic. Users often confuse their own devices (for example, a forgotten smart vacuum cleaner or a tablet in sleep mode) with those of others. However, if you're certain there's an intruder on the network, you need to act quickly and decisively, using built-in protection mechanisms. MiWiFi.
Identifying the offender and checking the client list
The first step should always be a thorough check of the list of connected devices. Don't blindly block everything that seems suspicious, as you could accidentally disable an important one. smart home or TV. Log into the router's management interface to see the MAC addresses and names of all active clients.
Pay attention to the device type and data transfer speed. If an unknown device is actively consuming data, it will immediately become apparent. Modern routers Xiaomi They often display a device icon, making it easier to identify. If you see a device named "Android" or "iPhone" but can't match it to any of your other devices, this is cause for concern.
For accurate identification, you can use the following features:
- 📱 Device name: often contains the model or owner's name (e.g., "Ivan's Phone").
- 🔢 MAC address: a unique identifier that cannot be changed programmatically on most devices.
- 📶 Connection type: 2.4 GHz or 5 GHz, which may indicate the age of the device.
If, after checking, you're absolutely certain that a neighbor or hacker is lurking on your network, proceed to the next steps. Remember that the presence of an intruder on your network reduces overall bandwidth, which is especially critical when watching 4K video or playing online games.
Blocking via the official Mi Home app
The easiest and fastest way to disable a user is to use a mobile app. Mi Home (or Xiaomi Home). This method is ideal for those who prefer to manage their network from their smartphone. The app's interface is intuitive and allows you to perform actions with just a few taps, anywhere in the world with internet access.
To get started, open the app and select your router from the list of devices. Go to the Manage Connected Clients section. Here you'll see a list of all active devices. Click on the name of the suspicious subscriber to open the management menu.
Mi Home Blocking Algorithm
The menu that opens will show the option to block. Once you confirm the action, the router will immediately disconnect from the selected device and add its MAC address to blacklistEven if the intruder tries to connect again, knowing the password, the router will reject their request.
⚠️ Note: Changes in the app may take a slight delay (up to 1-2 minutes) to take effect. If your device doesn't disconnect immediately, try refreshing your client list or refreshing the app page.
It is important to note that the application requires authorization through an account. Mi AccountIf you haven't previously linked your router to the cloud, you'll need to do so for remote management. Local management is also possible, but functionality may be limited depending on the firmware version.
Access control via web interface (192.168.31.1)
For deeper configuration and detailed control, we recommend using the router's web interface. This is the "classic" method, which works even without an internet connection, directly on the local network. The login address is usually 192.168.31.1 or miwifi.com.
After entering the administrator password (which you set during the first setup), go to the section Settings (Settings) and find the tab Connected Devices (Connected devices) or Access Control (Access Control). Here is a complete list of all clients with detailed information.
To disable a user:
- Find the device in the list by MAC address or name.
- Click on the settings button next to the device (usually a gear icon or an arrow).
- Activate the switch Block (Block) or Deny (Refuse).
The web interface also allows you to set an access schedule or limit the speed for specific clients, which can be a useful alternative to a complete block. For example, you might not kick a guest outright, but significantly reduce their bandwidth so they don't interfere with your work.
| Function | Description | Where to find |
|---|---|---|
| Blacklist | Completely block access for a MAC address | Settings → Access Control |
| Speed Limit | Download/upload speed limitation | Settings → Traffic Management |
| Guest Wi-Fi | A separate network for guests without access to local files | Settings → Wi-Fi → Guest Network |
| Schedule | Restricting access by time of day | Parental Controls / Timers |
Using the web interface provides a more stable result, as changes are applied directly to the router configuration, bypassing possible delays from the cloud service.
Radical Method: Changing Your Wi-Fi Password
If you suspect your password has been compromised or shared too widely, the best way to kick everyone out at once is to change your Wi-Fi network password. This will disable all devices, including your own, and force them to log in again.
To change the password, go to the Wi-Fi settings in the app or web interface. In the field Wi-Fi Password Enter a new, complex code. It is recommended to use a combination of mixed-case letters, numbers, and special characters. The password must be at least 12 characters long.
Why might others know the old password?
Passwords are often written on stickers, sent via instant messaging, or used in combinations that are too simple and easy to crack using brute-force programs.
After changing your password:
- 🔐 All devices will lose connection to the network.
- 📵 Other devices will not be able to connect automatically.
- ✅ You will have to reconnect your phones, laptops, and smart devices.
This method is most effective if you can't pinpoint which connected devices are "foreign," or if there are too many of them. This ensures a clean slate for your network.
Be sure to update the password on all your devices immediately after changing it to avoid losing access to your router if you plan to configure it remotely.
Setting up a Blacklist and Whitelist
Routers Xiaomi Supports two main filtering modes: blacklist and whitelist. Blacklist blocks only specific devices you select, allowing others to connect freely. Whitelist works the opposite way: it allows access only to trusted devices, while all others are blocked by default.
Whitelist mode is the highest level of protection. If you enable it, you'll have to manually add the MAC addresses of all your devices (TVs, phones, consoles) to the whitelist. Any new device, even if it knows the password, will be unable to access the network.
⚠️ Caution: Be extremely careful when enabling the whitelist. If you accidentally forget to enter the MAC address of the device you're using to configure the router, you may lose access to it and need to perform a factory reset.
To set up filtering:
- Go to the section
Access Control(Access control). - Select operating mode: Blacklist (disable selected) or Whitelist (allow only selected).
- Add the required MAC addresses manually or select from the list of connected ones.
Using a whitelist is recommended for offices or homes where high security is essential and the device set is static. For regular apartments with frequent guests, it's more convenient to use a blacklist in conjunction with a guest network.
Creating a guest network for visitors
To avoid the problem of "how to disconnect a guest" in the future, it is advisable to set up a guest network (Guest Wi-Fi). This is a separate access point with its own name and password, which is isolated from your main network.
By connecting guests to this Wi-Fi, you only provide them with internet access. They won't be able to see your computers, network printers, NAS storage, or security cameras. This is critical for the security of your personal data.
Benefits of a guest network:
- 🚀 The main channel is not overloaded with guest torrents.
- 🔒 Your files are hidden from prying eyes.
- ⏱ You can set a work timer (for example, the network is turned off at night).
You can set up a guest network in the section Guest Wi-Fi In the router settings, you can set any name (SSID) and password. When guests leave, you can simply disable this network with one click, without changing the main password.
This solution is the gold standard of etiquette and security in modern homes. It eliminates the need to dictate a complex master password and worry about whether a guest's phone will remember the network forever.
FAQ: Frequently Asked Questions
Can a blocked user reconnect?
If you've blacklisted a device or changed the Wi-Fi password, it won't be able to reconnect. However, if a hacker uses advanced techniques and spoofs their device's MAC address to match that of one of your authorized devices, access is theoretically possible, but in practice, this is difficult to achieve on a home network.
What should I do if I blocked myself?
If you have enabled the whitelist and have not added your device, or have blocked the current gadget, a physical button will help you Reset on the router body. Press and hold it for 5-10 seconds (while the router is on) to reset the settings to factory defaults. After this, the router will create an open network without a password, and you can set it up again.
Does a blocked user see that they have been kicked?
From the user's perspective, the network simply stops working. The device will show the status "Connected, no internet access" or will constantly try to obtain an IP address and then disconnect. There is no specific notification that "You have been blocked by the administrator."
Does a large number of blocked devices affect the router's performance?
The block list itself (blacklist) takes up negligible router memory and doesn't affect speed. However, if blocked devices constantly attempt to reconnect, they create background radio noise and strain the router's processor, which can slightly reduce overall network performance.
How can I find out the exact MAC address of the device I want to block?
On Android, you can find this in Settings → About phone → General informationOn iPhone: Settings → General → About (Wi-Fi address). The MAC address is also always displayed in the client list directly in the Xiaomi router interface, which is the easiest way to find it.