This article explains how to [url=http://www.howtoforge.com/rate-limiting-with-nginx]use the nginx HttpLimitReqModule to limit the number of requests for a given session[/url]. This is useful, for example, if your site is hammered by a bot doing multiple requests per second and thus increasing your server load. With the HttpLimitReqModule you can define a rate limit, and if a visitor exceeds this rate, he will get a 503 error. [url=http://www.howtoforge.com/rate-limiting-with-nginx]http://www.howtoforge.com/rate-limiting-with-nginx[/url] |
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