I'm running nginx as a reverse proxy. From time to time, I notice annoying DoS style attacks coming from specific IP addresses - probably nessus or something similar checking out my server. Is there an easy way to block the offensive IPs in nginx.conf?

http://www.cyberciti.biz/faq/linux-unix-nginx-access-control-howto/
http://nginx.com/resources/admin-guide/restricting-access/

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nginx for Windows http://nginx-win.ecsds.eu/

Solved...I don't know how I missed this in the documentation :-)