Evil Limiter Next Generation
A tool to monitor, analyze and limit the bandwidth (upload/download) of devices on your local network without physical or administrative access.
evillimiter-ng employs ARP spoofing and traffic shaping to throttle the bandwidth of hosts on the network.
Requirements
- Linux distribution
- Python 3 or greater
Possibly missing python packages will be installed during the installation process.
Installation
# Using Pypi and Pip
pip install evillimiter-ng
# Without Pypi and Pip
git clone https://github.com/KevinCrrl/evillimiter-ng.git
cd evillimiter-ng
# Arch-based systems (or using the AUR: https://aur.archlinux.org/packages/evillimiter-ng)
cd pkgbuild
makepkg -si
# Other GNU/Linux distros using a virtual env
python -m build
python -m installer dist/*.whl
# or without pypi, just with pip
pip install .
Quick Start Example
After installation, you can start using the tool with the following basic workflow.
- Start the program and specify your network interface:
evillimiter-ng -i wlan0
- Scan the network for connected hosts:
scan
- Limit bandwidth of a device (example: device ID 3 to 200kbit):
limit 3 200kbit
Example of a single-use command in the shell
# Scan the network, list hosts, block everyone for 20 seconds, and then restore connection.
echo "scan && hosts && block all && sleep 20 && free all && exit" | evillimiter-ng
Command-Line Arguments
| Argument | Explanation |
|---|---|
-h |
Displays help message listing all command-line arguments |
-i [Interface Name] |
Specifies network interface (resolved if not specified) |
-g [Gateway IP Address] |
Specifies gateway IP address (resolved if not specified) |
-m [Gateway MAC Address] |
Specifies gateway MAC address (resolved if not specified) |
-n [Netmask Address] |
Specifies netmask (resolved if not specified) |
evillimiter-ng Commands
| Command | Explanation |
|---|---|
scan (--range [IP Range]) (--intensity [(1,2,3)]) |
Scans your network for online hosts. One of the first things to do after start.--range lets you specify a custom IP range.--intensity lets you specify the scan intensity / speed (1 = quick, 2 = normal (standard), 3 = intense).Example: scan --range 192.168.178.1-192.168.178.40 --intensity 1 or just scan. |
hosts |
Displays all scanned hosts and basic information. |
limit [ID1,ID2,...] [Rate] (--upload) (--download) |
Limits bandwidth of host(s) associated with specified ID. |
block [ID1,ID2,...] (--upload) (--download) |
Blocks internet connection of host(s). |
free [ID1,ID2,...] |
Removes bandwidth restrictions. |
add [IP] (--mac [MAC]) |
Adds custom host manually. |
monitor [ID1,ID2,...] (--interval [time in ms]) |
Monitor bandwidth usage of host(s). |
analyze [ID1,ID2,...] (--duration [time in s]) |
Analyze traffic usage. |
watch |
Shows current watch status. |
watch add [ID1,ID2,...] |
Adds host(s) to watchlist. |
watch remove [ID1,ID2,...] |
Removes host(s) from watchlist. |
watch set [Attribute] [Value] |
Changes watch settings. |
clear |
Clears terminal window. |
quit |
Quits the application. |
sleep |
Waits for seconds. |
?, help |
Displays command help. |
import-json, export-json [JSON_FILE_PATH] |
Import/Export a JSON file containing IP addresses and MAC addresses encoded in base64. |
Restrictions
- Limits IPv4 connections only, since ARP spoofing requires ARP packets which exist only in IPv4 networks.
Legal Disclaimer
Please read the full legal disclaimer here:
License
Copyright (c) 2026 by KevinCrrl.
Licensed under the GPLv2 License.
For a detailed list of original authors, dependencies, and their respective licenses, see the CREDITS file.
1 maintainer
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