Nginx Rate Limiting by Referrer?

Posted by SteveEdson on Server Fault See other posts from Server Fault or by SteveEdson
Published on 2013-10-21T09:40:06Z Indexed on 2013/10/21 9:57 UTC
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Filed under:

nginx

|

rate-limiting

|

traffic-management

I've successfully set up rate limiting on IP addresses like so,

limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;

But I was wondering if its possible to do the same on referrers? For example, if a site gets placed in an iframe on a third party site, which generates too much traffic to handle.

I can't find any nginx variables for the referrer anywhere.

Is this possible? Or can the solution be achieved in a different way?

Thanks.

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