tcpnice(8)

tcpnice8

Slow down tcp connections on a lan

Usage

tcpnice [-A] [-I] [-M] [-i interface] expression

Overview

tcpnice slows down specified TCP connections on a LAN via "active" traffic shaping.

Options

-A

Inject TCP tiny window advertisements.

-I

Inject ICMP source quench replies.

-M

Inject ICMP fragmentation-needed replies with tiny next-hop MTUs.

-i interface

Specify the interface to listen on.

expression

Specify a tcpdump(8) filter expression to select the connections to slow down.

If no attack type is given, all attacks will be enabled.

Releases

Unchanged in 12 releases since Debian 3.1 (Sarge).

  1. 3.1–Arch

Author

Dug Song <[email protected]>

From dsniff 2.4b1-34 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.