limit-req and greedy UAs

[lists at lazygranch.com]

‎Since this limit is per IP, is the scenario you stated really a problem? Only that IP is effected. Or as is often the case, did I miss something?

http://nginx.org/en/docs/http/ngx_http_limit_req_module.html

  Original Message  
From: Grant
Sent: Thursday, September 8, 2016 6:24 PM
To: nginx at nginx.org
Reply To: nginx at nginx.org
Subject: limit-req and greedy UAs

Has anyone considered the problem of legitimate UAs which request a
series of files which don't necessarily exist when they access your
site? Requests for files like robots.txt, sitemap.xml,
crossdomain.xml, apple-touch-icon.png, etc could quickly cause the UA
to exceed the limit-req burst value. What is the right way to deal
with this?

- Grant

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