History
The initial release of mod_qos was created in May 2007 and published on SourceForge.net as an open source software project. It was able to limit the number of concurrent HTTP requests for specified resources (path portion of request URLs) on the web server. Then, more and more features were added and some of them were useful to protect Apache servers against DoS attacks. In 2012, mod_qos was included to the Ubuntu Linux distribution.
Major releases:
- May 2007, Version 1: Limits concurrent requests on a per URL path basis.
- July 2007, Version 2.2: Introduction of support utilities.
- August 2007, Version 3: Introduces connection level controls as well as a status viewer.
- September 2007, Version 4: Request/response throttling and generic request filtering.
- December 2007, Version 5: Limiting by user defined events.
- March 2008, Version 6: Per client (IP) control mechanisms.
- May 2008, Version 7: Enforces minimum upload/download throughput a client must generate.
- September 2009, Version 9: Anomaly detection using client characteristic measurement.
- Februar 2012, Version 10: Adds geolocation features (ISO 3166 country codes).
Read more about this topic: Mod Qos
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