netsed
Network packet-altering stream editor
uncategorizedRed Team
TooluncategorizedredLinuxKali LinuxPlatforms: Linux · Last verified September 6, 2026
NetSED is a small and handy utility designed to alter, in real time, the contents of packets forwarded through your network. It is really useful for network packet alteration, forging, or manipulation. NetSED supports:
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
See the official Kali tool page and upstream homepage linked above for installation and usage details.
