Clicking this ceases all ARP spoofing, instantly returning the network to its normal, unthrottled state. Allocating Bandwidth and Blocking Devices
: Completely disconnect unwanted guests or bandwidth hogs with a single checkbox.
Check the box labeled and click apply. Note: Without elevated administrative rights, the application will fail to send raw ARP packets across your interface.
Due to its utilization of packet manipulation and ARP spoofing techniques—mechanisms frequently mirrored by malicious "man-in-the-middle" tools—many anti-malware scanners will flag SelfishNet executables as a false positive. Only run versions sourced directly from reputable, transparent open-source code repositories.
Click the icon (the network/computer icon usually located on the far left of the toolbar). SelfishNet will scan the LAN and populate a list of all active devices, including smartphones, smart TVs, and other PCs. 3. Start Monitoring selfishnet v3.0.0 windows
Automatically scans your network to identify all connected PCs, smartphones, and tablets.
When you are done gaming or downloading your files, it is important to return the network to normal:
Click inside the Download Cap or Upload Cap column next to the target device and type a maximum speed in kilobytes per second (e.g., enter 50 to restrict a device to roughly 400 Kbps).
To run Selfishnet v3.0.0 effectively on modern versions like , you must have several dependencies installed: WinPcap : Essential driver for capturing network packets. Clicking this ceases all ARP spoofing, instantly returning
While SelfishNet is an effective tool for managing a home network, it relies on ARP spoofing—a technique also used in Man-in-the-Middle (MitM) cyberattacks.
Whether your PC connects via or a wired Ethernet cable? Share public link
It sends forged ARP replies to associate its MAC address with the IP of the gateway (router) and the target device, becoming a “man-in-the-middle.” From there, it can drop, throttle, or redirect traffic.
: Abruptly slowing or cutting off a roommate or family member's connection can cause significant friction. Security Risks Click the icon (the network/computer icon usually located
: Requires a Wi-Fi chipset compatible with monitor mode for wireless network management.
Right-click the SelfishNet.exe file, select Properties , and under the Compatibility tab, check Run this program as an administrator .
Now that you can see all the devices, you can start managing them. Click the Redirecting/Spoofing icon, which is usually the one just to the right of the Network Discovery icon. This activates the ARP spoofing engine. Once it is enabled, you can right-click on any device in the list to set its bandwidth limits.
SelfishNet is compatible with most versions of Windows, including . However, users should be aware that because it uses ARP spoofing—a technique also used by malicious actors—some antivirus programs may flag it as a threat. Always download from reputable sources to ensure the version is clean.
Concerns about SelfishNet's safety are common. The application has been tested by multiple users with major security suites, including Bitdefender, Avira Antivirus, and Windows Defender. In these tests, no suspicious activity or malware was detected, suggesting that a clean copy from a reputable source is safe to use. However, as with any software downloaded from the internet, it is crucial to ensure you are downloading it from a trusted repository, such as its official GitHub page, to avoid modified versions that could contain harmful code.