: Some users may be prompted to install .NET Framework 3.0 or higher to launch the application.

: Click the Network Discovery icon (resembling a network/computer symbol) at the top left. The software will populate a list of active IPs and MAC addresses. Assign Restrictions :

Finding a safe and reliable download source is crucial. While many third-party websites offer the tool, the safest and most recommended source is the official repository of the project.

: Integrates MAC spoofing capabilities within its updated developer branches.

Some versions may require .NET Framework 3.0 or higher .

Completely block a device from accessing the internet. The Reality of "SelfishNet v3" Downloads

There is some confusion online about versions. Some sources claim the last version of SelfishNet was v0.2 from 2007. However, the SelfishNet project on GitHub is an active, modern rewrite in C# with recent updates as of 2025. For the best experience, always download SelfishNet V3 from the GitHub repository.

SelfishNet requires an underlying network analysis driver to interact with your network card.

[!IMPORTANT] Some antivirus software may flag SelfishNet as a "risk" because it uses ARP Spoofing, a technique often associated with network attacks. Only download from reputable developers to ensure the file is clean .

: Because the tool is distributed as a compact portable archive, you will need a compression utility like WinRAR or 7-Zip to unpack the system directory.

To get SelfishNet v3 running, follow these steps to ensure all dependencies are met.

Use a tool like WinRAR or 7-Zip to unzip the downloaded folder .

By sending tailored ARP packets to the local network, SelfishNet positions your computer as the intermediary gateway between the router and all other connected devices. This allows the software to intercept, monitor, and regulate the data flowing to and from every smartphone, laptop, smart TV, and gaming console on the same Wi-Fi or Ethernet network.

Type a number (e.g., 50 ) in the "Download" or "Upload" column for a device and press Enter .