Stockade (software)

Stockade
Original authorCentre for Advanced Internet Architectures (CAIA) at Swinburne University of Technology
DevelopersMalcolm Robb, Grenville Armitage, Adam Black
Stable release
0.2 / March 16, 2007 (2007-03-16)
Operating systemFreeBSD
TypeSpam mitigation
LicenseGPL v2
Website"STOCKADE - A network-level spam mitigation tool". Archived from the original on 1 March 2011.

Stockade is a TCP-layer blocking tool written in C++. It denies TCP/IP access to registered IP addresses by using the ipfw packet filter. It targets spam prevention, but may also be used against other attackers (e.g. brute force password crackers.)