limit_req_zone: How to apply only to some requests containing some string in the URL?

Payam Chychi pchychi at
Fri Oct 25 21:01:53 UTC 2013

Maybe ive misunderstood but cant you very simply do this by injecting a cookie on the origina req page and then have nginx match, count it and apply rates? Or maybe im comicating it... If even possible 

Payam Chychi
Network Engineer / Security Specialist

On Tuesday, October 22, 2013 at 8:42 PM, Brian08275660 wrote:

> Hi,
> I'm using the limit_req_zone module. I would like it to act only on some
> requests that have a certain string in one variable in the query string of
> the URL.For example, lets say that I'm providing a IP geolocation service,
> and that in the URL there is a query string like this:
> I would like the rule to detect when the "key" parameter ends with "2X", and
> in such case to apply the limitation. 
> What I really need is to give NGINX a secret message. The "key" parameter
> would end in "01X", "02X", "03X" (etc). This would indicate Nginx the
> limitation of queries per minute, and Nginx would apply a different rate for
> each request, depending on the "message".
> Is there a way to do that? 
> Thanks in advance!
> Posted at Nginx Forum:,244015,244015#msg-244015
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