Is your mạng internet sluggish? If you suspect a neighbor is stealing your Wi-Fi, here's how lớn identify devices using your connection và boot them off.

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Windows users can download a miễn phí, portable program calledWireless Network Watcher(scroll down lớn the Zip tải về liên kết below "Feedback" lớn get it), which will provide a danh mục of every device currently connected khổng lồ your network, so you can identify the ones that belong to you.

To use Wireless Network Watcher, just launch the program, & it will immediately begin scanning your network. This will take a minute or two—you"ll know it"s working if the bottom-left corner reads "Scanning..." Once it"s done, that message will disappear, và you"ll be presented with a full list of connected devices.


The resulting list may look a little cryptic, especially if you aren"t super tech-savvy, but don"t worry. You can ignore theIP addressand MAC address listings for now. If you"re using Wireless Network Watcher, just focus on the Device Name and Network Adapter Company columns.

For example, I see an sản phẩm named "Dulce" in Wireless Network Watcher, which is the name of my wife"s MacBook. I see another with no name, but with "Philips Lighting BV" as the network adapter manufacturer, it"s probably the hub for myPhilips Hue lights. You can double-click on a device to add "User Text" that helps you identify each device & narrow down all the items in this list.

Mac users don"t have as many great options—LanScanis a decent piông chồng, though it costs $6 for the full functionality. Most other apps are either expensive, or have sầu caveats that make them less than ideal. If you"re on a Mac, your router"s settings page may have the info you need.Or, if you have an iPhone, you can giveFinga try.

Consult Your Router Settings


If you"re lucky, you"ll be able to lớn recognize all the items on that các mục, but there may be a few that don"t have enough information. After going through my danh sách, for example, I was left with a couple devices that listed no name và no manufacturer. However, I was able to get a little more information from my router"s web interface.

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You can open your router"s management page by typing its IPhường. address in your browser"s address bar. Once there, look for an option that sounds lượt thích "Attached Devices" or "Client List." This will present you with a similar menu as Wireless Network Watcher, but the information may be slightly different. After cross-referencing the unknown devices between the two, I found one of them was listed as "AzureWave Technology, Inc" in my router"s interface, but not Wireless Network Watcher. A little Googling revealed that this was myRachio sprinkler system, so I was able khổng lồ mark that down và move sầu on.

If you see any other unlabeled devices in the list, kiểm tra around your house for any internet-connected gadgets you might have missed. I realized that my Amazon Emang đến wasn’t listed, so after checking the Alexa phầm mềm on my phone, I was able to match its MAC address khổng lồ one of the unlabeled items in Wireless Network Watcher.

If all goes well, you should be able lớn identify every device on your network. If there are any left over, & you’ve sầu combed your house looking for other internet-connected devices and found nothing, there’s a chance someone nearby may be using your Wi-Fi.

Beef Up Your Network Security


Even if you discover that a neighbor is stealing your Wi-Fi, you don"t need khổng lồ hunt them down and start a fuss—you can just kiông chồng them off with a change in router security. Head baông chồng lớn your router"s website interface & find the option lớn change your password (usually under the "Wireless" section somewhere). If you don"t have sầu a password, you absolutely need lớn start using one, andit needs lớn be strong. Without a password, your personal information is up for grabs to any amateur hacker that drives by. Choose WPA2 for the password type, since it"s far more difficult lớn crachồng than the now-outdated WEP.

If WPS is turned on, you should turn it off, since this feature makes it easier for people tocrachồng your Wi-Fi password. If you want lớn let guests on your Wi-Fi without giving them access lớn your devices và information, you can alwaysenable your router"s guest network, or simply share the password wirelessly.

If you already had a password—maybe it was weak và easy for your neighbors to guess—changing it khổng lồ something new should be sufficient khổng lồ kiông chồng them off. Of course, you"ll also have to lớn re-authenticate all of your devices, but you should be able to lớn rest a little easier knowing that all the devices on your network belong to lớn you.

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