The situation when a stranger connects to your wireless network is familiar to many subscribers RostelecomThis not only slows down your internet speed but also puts your personal information at risk. Users often notice their router is operating at its maximum capacity, even though no one is downloading large files at home.
In this article, we'll detail how to disconnect someone from Rostelecom WiFi via a computer using the router's default settings. You'll learn how to identify uninvited guests and permanently block their access to your network.
Signs of unauthorized users connecting
Before taking any decisive action, you need to be sure that there is a problem. Decrease in speed Internet connection is the first and most obvious symptom. If you're paying for a 100 Mbps plan and the video is loading with buffering, it's worth checking your connected devices.
Pay attention to the indicators on the router body. If the light WLAN or WiFi If the light is actively blinking when your devices (phone, laptop, TV) are in sleep mode or turned off, this is a sure sign of network activity. You should also sound the alarm if your computer's antivirus software reports suspicious network activity.
Modern Rostelecom routers, be it models Sagemcom, Sercomm or Eltex, allow detailed monitoring of all connections. Ignoring these signals could result in an attacker accessing your personal data or using your connection for illegal activities.
Login to the router control panel
To manage your network, you'll need access to your router's administrative panel. This can be done from any computer or laptop connected to the Rostelecom network, preferably via cable to avoid connection interruptions during setup.
Open any browser and enter your router's IP address in the address bar. Most often, this is 192.168.1.1 or 192.168.0.1The exact address, as well as the default login and password, are indicated on a sticker located on the bottom of the device. Default credentials often look like this: admin / admin or admin / unique code from the sticker.
If you changed your admin password and forgot it, you'll need to perform a factory reset (hard reset). To do this, press the button with a thin object. Reset on the switched off router and hold it for about 10-15 seconds until the indicators reboot.
⚠️ Note: After performing a hard reset, you'll need to reconfigure your connection to your ISP (PPPoE, VLAN) and set up a WiFi network name. Make sure you have your Rostelecom contract handy to enter your internet login and password.
After successfully entering the data, you'll be taken to the main menu. The interface may vary depending on the model, but the operating logic is the same. We're interested in the section related to the wireless network or connected clients.
Analyzing the list of connected devices
In the menu of Rostelecom routers, look for a tab with the name WLAN, Wireless, Status or ClientsThis displays a table of all devices currently connected to your access point. Each device has a unique identifier— MAC address.
A MAC address looks like a set of characters separated by colons, for example: A1:B2:C3:D4:E5:F6To figure out who's who, you need to check these addresses against the addresses of your devices. On your phone, this information can be found in the Settings -> About phone -> General information.
Often routers display the device name (eg. iPhone-Alex or Samsung-TV). If you see a name you don't recognize, or the number of devices exceeds the actual number of gadgets in your home, it's time to take action.
| Device | IP address | MAC address | Status |
|---|---|---|---|
| Laptop | 192.168.1.10 | AA:BB:CC:11:22:33 | Actively |
| Smartphone | 192.168.1.15 | DD:EE:FF:44:55:66 | Actively |
| Unknown | 192.168.1.20 | 12:34:56:78:90:AB | Suspicious |
| TV | 192.168.1.25 | CD:EF:01:23:45:67 | Expectation |
Review the list carefully. Sometimes network card manufacturers use standard MAC address prefixes that can be used to identify the device type. If you see a device named Android, but you don't have phones on this system, this is a clear candidate for blocking.
MAC filtering blocking method
The most reliable way to disconnect someone from WiFi is to use MAC filteringThis method allows you to create a "whitelist" of devices that are allowed to connect. All others, even with the password, will be unable to connect.
To implement this method, go to your wireless network settings (WLAN or Wireless Settings). Find the section MAC Filter or MAC address filteringHere you need to switch the filter operating mode to the state Allow (Allow) or White List.
After enabling the mode, add the MAC addresses of all yours Add devices to the list. This can be done manually by entering numbers, or selected from the list of already connected devices (if this feature is available in the Rostelecom router interface).
☑️ Setting up MAC filtering
After saving the settings and rebooting the router, any device not on the list will be immediately disconnected and will be unable to reconnect. This is a hardened protection that is extremely difficult for the average user to bypass.
⚠️ Important: Be extremely careful when setting up the White List. If you forget to add your computer or phone's MAC address, you will lose WiFi access and be unable to manage the router without a cable or a factory reset.
Changing your wireless network password
If the filtering method seems too complicated, there is a more radical but effective solution: changing your WiFi password. This will forcefully disable All devices, and you will have to re-enter the new password on each gadget.
Go to security settings (Security or WLAN Security). Find the field Pre-Shared Key or PasswordCome up with a complex combination using mixed-case letters and numbers. Avoid simple sequences like 12345678 or date of birth.
It is recommended to select the encryption type WPA2-PSK or WPA3, if your equipment supports the new standards. This will ensure maximum protection against brute-force attacks.
How to create a password that is easy to remember?
Use a mnemonic phrase. For example, "I like to drink coffee at 7 a.m." becomes "Ylpkv7u!" It's hard to crack, but easy to remember.
After changing the password, the router will terminate all current connections. An attacker, even if they know the old password, will no longer be able to access the network. This is the fastest way to "kick out" a neighbor right now.
Disabling via mobile app
Many modern Rostelecom routers (especially branded ones) RT-IX or new models Sagemcom) support control via a mobile application, for example, Rostelecom WiFi or My Sagemcom.
This allows you to disconnect users directly from your phone, without having to go to your computer. The app typically has a "Clients" or "Devices" section. Next to each connected device, there may be a "Block" button or access switch.
The app's interface is more user-friendly. You see clear device names and can restrict their internet access or completely block WiFi with a single tap.
However, the apps' functionality is often limited compared to the full web version. For example, fine-tuning MAC filters or access scheduling may be unavailable.
Additional network security measures
Simply disabling someone isn't enough—reintrusion must be prevented. Attackers can use password recovery software if they're weak. Therefore, a comprehensive approach to security is essential.
First of all, disable the function WPS (Wi-Fi Protected Setup). This technology allows you to connect to a network without entering a password (by pressing a button), but it has critical vulnerabilities. In the router interface, find the section WPS and select Disable or Turn off.
It's also recommended to hide your network name (SSID). This will prevent your WiFi from appearing in your neighbors' list of available networks. You'll only be able to connect by manually entering the network name and password.
Update your router firmware regularly. Manufacturer Rostelecom periodically releases updates that patch security holes. You can check for a new version in the section System tools -> Software update.
Following these simple rules will make your network virtually invulnerable to ordinary users trying to steal your internet connection. Remember, security is a process, not a one-time action.
What should I do if the Internet doesn't work after changing my password?
Check that you entered the new password correctly on your device. Pay attention to the case. If the problem persists, try forgetting the network in the WiFi settings and reconnecting. If that doesn't help, the router may be frozen—restart it using the power button.
Can my neighbor find out my new password?
If the password is complex and you've disabled WPS, it's virtually impossible to find it out remotely. However, if you gave the password to guests who later visited, they could theoretically remember it or write it down. In this case, changing the password is the only solution.
Does blocking devices affect internet speed?
Yes, directly. The fewer devices consuming traffic, the higher the speed for each remaining user. Blocking rogue connections is the most effective way to speed up your internet without changing your plan.