Netcut: Kali Linux

By default, Kali Linux will not forward packets. If you run an ARP spoof without enabling forwarding, the target's internet will immediately cut off (which might be what you want to test). However, best practice for auditing requires you to enable forwarding first so you can intercept traffic without interrupting connectivity.

# Download Netcut for Linux (from official site or trusted mirror) wget https://www.arcai.com/netcut/downloads/netcut-linux-3.0-x86_64.run netcut kali linux

Exploring NetCut on Kali Linux: Functionality, Impact, and Security By default, Kali Linux will not forward packets