: The application must be "Run as Administrator" to perform network-level tasks.
: Because all internet traffic from other devices is routed through your machine first, you can choose to "choke" their speed or cut them off entirely. Key Features of V3
By following this guide, you should be able to effectively use Selfishnet V3 to manage and optimize your network traffic. If you encounter any issues or have further questions, refer to the official documentation or seek support from the Selfishnet V3 community.
Using Selfishnet on public Wi-Fi networks, corporate environments, or academic campuses without explicit authorization is highly unethical and frequently violates acceptable use policies or local cyber-security laws. Modern enterprise networks utilize security measures like and Dynamic ARP Inspection (DAI) , which will instantly flag, isolate, and block any machine attempting to run Selfishnet. Selfishnet V3
For most users, the wiser long-term strategy is to invest time in learning how to use their router's settings or to use a more modern, open-source alternative like elmoCut . But for those who accept the risks and understand the tech, SelfishNet V3 remains a small, powerful, and remarkably effective application for controlling a local network from a Windows PC.
Scans the network to identify all connected devices, displaying their IP and MAC addresses.
Manually set maximum Download and Upload speeds for specific devices. : The application must be "Run as Administrator"
A standard driver for packet capturing that allows the software to interact with network traffic.
Selfishnet V3 is a portable application, meaning it doesn't require a traditional installation. However, it requires a supporting driver to function.
Control your internet bandwidth with SelfishNet v3. - GitHub If you encounter any issues or have further
The software operates through . By sending spoofed ARP messages, it tricks other devices on the network into routing their traffic through your computer instead of the router, allowing the software to throttle or block that traffic. Usage Requirements
Your Wi-Fi card must support monitor/injection modes for some advanced features, though basic control works on most standard hardware. Important Considerations
To limit speed: Click into the or Upload Cap columns, type a numeric value (e.g., 20 for 20 KB/s), and press Enter.
: If the host computer crashes, sleeps, or disconnects while Selfishnet is active, the ARP tables remain corrupted, causing the entire network to lose internet access until the router is rebooted.
A user-editable field to enter a maximum download cap (in KB/s). Empty means unthrottled.