Selfishnet V0.1 Beta Jun 2026

Every so often, an old piece of software resurfaces in a GitHub gist or a forgotten forum thread. is one of those relics.

To limit speed, click inside the or Upload column for that device and type a maximum speed value in kilobytes per second (KB/s).

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The original library SelfishNet was designed for (best for Windows 7/8).

SelfishNet's power doesn't come from magic; it comes from a well-known and often controversial networking technique called (or ARP Poisoning). selfishnet v0.1 beta

So, what makes Selfishnet v0.1 beta so special? Here are some of its key features:

While SelfishNet v0.1 Beta is highly effective, it should be used responsibly.

However, with great power comes great responsibility. While it can be a legitimate tool for managing your home network, its methods exist in a legal and ethical gray zone. Before you decide to download SelfishNet, ask yourself: Are you using it to be a responsible network administrator, or are you using it to become a digital bully? Use this knowledge wisely and ethically.

: SelfishNet sends "bogus" ARP requests that falsely claim the host computer is the gateway. The Interception Every so often, an old piece of software

: Users can manually set specific upload and download speed limits for each individual device in real-time. Access Management

For years, a controversial and powerful tool has been quietly circulating online that promises to solve this problem, giving its user absolute control over their local network. That tool is .

: Runs directly from an extracted folder without modifying system registries. Technical Architecture: How It Works

If you are seeking a more robust and legitimate solution for home network management, consider these alternatives: user wants a long article about "selfishnet v0

Click the orange button to apply the changes in real-time. Troubleshooting Common SelfishNet Errors

Historically, managing a network required complex router configurations or expensive enterprise software. SelfishNet changed that by providing a "plug-and-play" solution that allows a single machine to act as a traffic controller for every other device on the same connection.

The designation "beta" is important. Users in technical forums have consistently reported stability issues. The most common complaint is that the program has a tendency to freeze. When this happens, it can cut off internet access for all devices on the network, including your own, until you manually close the frozen application.

When you activate SelfishNet, the software sends forged ARP messages across the local network. It tricks the other connected devices into thinking your computer is the network router, and simultaneously tricks the router into thinking your computer is the target device.

SelfishNet's ability to control other devices' internet access relies on a technique known as ARP cache poisoning The Request

Upon launching, a small window will prompt you to select your Network Interface Card (NIC). Choose the active adapter you are currently using to connect to the internet (e.g., your wireless Wi-Fi card or your Realtek Ethernet controller) and click . Step 3: Discover Devices