Free version of BinarySEC web application firewall
BinarySEC is a web application software firewall, that learns legitimate traffic of any website or web application running on Apache and blocks suspicious traffic.
BinarySEC software gets installed within 15 minutes and is immediately operational. According to the developer it blocks 99,9% malicious traffic after a 5-days learning period with no traffic slowdown.
BinarySEC 2.3 for Apache is now available free of charge. This version includes all features. It is valid for one website residing on one web server and protects a maximum of 5.000 transactions per day.