AntiSniff 1.021

5.18.2000 – AntiSniff 1.021 is released.

A potential security vulnerability has been fixed. We recommend that all users upgrade to release 1.021.

This is a 15 day fully functional trial version of AntiSniff 1.02. After the 15 trial period you must register AntiSniff to continue using it.

Win 95/98/NT Download Files

as-1021.exe – Self extracting Install

Unix Download Files

as-unix-research Version 1-1-2 – Nix Command Line Interface with source code.

Supported Platforms

The program will run on Windows 95 w/winsock 2 update, Windows 98, and Windows NT 4.0. We recommend Windows NT 4.0 for the best performance. Windows 2000 is not currently supported. Windows 2000 support will be available before Windows 2000 is released. Windows NT Terminal Server is not supported.

On Windows 95, the Winsock 2 update is required. If you get the message “A required .DLL file, WS2_32.dll was not found.” you need to download the winsock 2 update from Microsoft.

The Unix version that is available is only for use in non-commercial environments. It is intended to benefit personal curiosity. As such it comes with full source code. There is a LICENSE file associated with the package that goes in to more detail on acceptable use. Currently OpenBSD, Solaris and Linux are supported in the build.


Registered users are entitled to email support. If you have any problems running the software or any questions please send email to [email protected]

if you are experiencing problems please include your network card type and OS version.