By positioning your computer as the gateway between the router and other connected devices, SelfishNet allows you to monitor network activity in real time. Once the traffic passes through your machine, you can assign strict download and upload speed limits to any device on the network, or disconnect them entirely with a single click. Key Features of SelfishNet v3.0.0
: Restrict your testing of SelfishNet strictly to private home subnets or authorized enterprise networks you personally own or manage.
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If you want to entirely restrict a device from accessing the web, look at the final column labeled Block and check the corresponding box for that device. selfishnet v3.0.0 windows
Click the "Network Discovery" button (often a folder icon) to find devices.
If the application opens but fails to list any devices except your own computer and the gateway:
SelfishNet v3.0.0 for Windows provides a simple, desktop-based solution. This lightweight network management tool gives you direct control over your local area network (LAN) by allowing you to limit or completely block internet access for specific devices. What is SelfishNet v3.0.0? By positioning your computer as the gateway between
: All traffic between the target and the router passes through the SelfishNet user’s computer. From there, the software can:
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).
Displays the exact download and upload speeds currently being used by every machine on your network. This public link is valid for 7 days
ARP spoofing can be unstable. Using it for long periods can cause network lag or "crash" the connection for everyone, including the host. Better Alternatives
| Tool | Platform | Purpose | |------|----------|---------| | | Windows | Simpler ARP spoofing with on/off cut-off feature. | | Wireshark | Windows/Linux | Passive monitoring only (no spoofing). Legal and safe. | | Ettercap | Windows/Linux | Professional-grade MitM framework. More control but steeper learning curve. | | BetterCAP | Windows/Linux/macOS | Modern, modular replacement for Ettercap. Supports SSL stripping. | | Cain & Abel | Windows (legacy) | Older but feature-rich sniffer. Less compatible with Windows 11. |
SelfishNet v3.0.0, while built on this core technology, offers a set of practical features that make it a powerful tool for personal network management. Its key features include:
You must right-click the executable and select "Run as administrator" for the ARP spoofing to work. How to Use Selfishnet v3.0.0 Safely