Selfishnet V3 Fixed May 2026

SelfishNet V3 is a network management and bandwidth monitoring tool primarily used on Windows systems to control or limit the internet speed of other devices on a local network.

While there isn't a traditional "scientific paper" specifically titled "SelfishNet V3," the software is widely discussed in technical communities and open-source repositories regarding its implementation and impact on network behavior. Key Features of SelfishNet V3 Bandwidth Control

: Allows users to manually set download and upload speed limits for any device connected to the same Ethernet or Wi-Fi network. Device Management

: Users can discover all connected devices (IP and MAC addresses) and completely block specific ones from internet access. No Credentials Required

: It functions without needing the administrative password or username for the router. Portability

: The tool is often distributed as a portable application that does not require standard installation, though it does rely on the driver to function. Technical Mechanism: ARP Spoofing SelfishNet operates by exploiting a technique called ARP cache poisoning Selfishnet V3

(or ARP spoofing). It sends forged ARP messages to the local area network to trick other devices into believing your computer is the default gateway. This routes their traffic through your machine, allowing you to throttle or block their connection. Related Academic Research If you are looking for formal research on the

of network selfishness (the behavior SelfishNet facilitates), you may find these academic areas relevant: Selfish Behavior in IEEE 802.11ah

: Research explores how "selfish nodes" maximize their own throughput at the expense of network fairness. Selfish Routing

: Studies using game-theoretic approaches analyze how host-based routing decisions designed to optimize individual metrics can lead to suboptimal system behavior. Detection Algorithms : Papers like those found via Semantic Scholar

propose algorithms to detect and mitigate these behaviors in wireless networks. ACM Digital Library SelfishNet V3 is a network management and bandwidth

For the software itself, you can find the source code and documentation on Are you interested in how to install the tool, or are you looking for a security analysis of its ARP spoofing method? AI responses may include mistakes. Learn more

Control your internet bandwidth with SelfishNet v3. - GitHub

Easily control the internet bandwidth of each device connected to your network. Block devices from your network. SelfishNet V3, Releases · abelmez/SelfishNet - GitHub

Selfishnet V3 vs. Competitors

How does Selfishnet V3 stack up against other network tools?

| Feature | Selfishnet V3 | Netcut (Windows) | Evil Limiter | Router QoS | | :--- | :--- | :--- | :--- | :--- | | OS Support | Linux only | Windows | Linux (CLI) | Router firmware | | GUI | Yes (Basic GTK) | Yes (Professional) | No | Yes | | ARP Spoofing | Yes | Yes | Yes | No | | Requires root/admin | Yes (sudo) | Yes (Admin rights) | Yes | No (Passphrase only) | | Legality | Gray area | Commercial tool (Terms forbid abuse) | Gray area | Fully legal | Traffic Control : Control and prioritize network traffic

Netcut is often cited as the Windows equivalent, but users prefer Selfishnet V3 for its open-source transparency and lower resource usage.

What is Selfishnet V3?

Selfishnet V3 is an open-source network manipulation tool designed for Linux-based operating systems. Unlike standard Quality of Service (QoS) settings configured on a router, Selfishnet V3 operates directly from your PC. Its primary function is to detect all active devices on your local network (Wi-Fi or Ethernet) and selectively limit their upload and download speeds.

The "V3" designation signifies the third major iteration of the original Selfishnet script. While earlier versions were crude command-line tools, Selfishnet V3 introduced a more user-friendly Graphical User Interface (GUI) , real-time traffic visualization, and more sophisticated ARP (Address Resolution Protocol) spoofing techniques.

In layman's terms, Selfishnet V3 allows you to "steal" bandwidth from your roommates, family members, or colleagues. If someone is streaming 4K Netflix and consuming 50 Mbps, you can use Selfishnet V3 to cut their connection down to 1 Mbps, ensuring your gaming or browsing remains flawless.

Features

• Traffic Control: Control and prioritize network traffic based on IP addresses, ports, and protocols.
• Traffic Shaping: Limit the bandwidth usage of specific devices or applications to prevent network congestion.
• Traffic Blocking: Block unwanted traffic from specific IP addresses, ports, or protocols.
• Quality of Service (QoS): Ensure a smooth online experience by prioritizing critical applications such as video streaming, online gaming, or VoIP.

Alternatives and safer options

• Router-based QoS: Use quality-of-service features built into modern routers to prioritize traffic without MITM.
• Network monitoring appliances: Deploy dedicated, authorized monitoring tools (NetFlow, SNMP, managed switches) for accurate accounting and control.
• Parental control solutions: Use router or ISP-provided parental filters for device-level restrictions.
• Enterprise tools: In business settings, use sanctioned network-management platforms that include logging, access control, and policy enforcement with legal compliance.

Step 1: Install WinPcap or Npcap

Selfishnet cannot function without a packet driver. If you are on Windows 10 or 11, it is highly recommended to install Npcap (in WinPcap API-compatible mode) rather than the older WinPcap, as it is more stable with modern OS updates.