You can see in source/auto/options by default

HTTP_LIMIT_CONN=YES
HTTP_LIMIT_REQ=YES


2016-05-12 0:12 GMT+03:00 tom.b <nginx-forum@forum.nginx.org>:

> Greetings fellow nginx users,
>
> Is the limit_req_zone module included in the core version ? I't doesn't
> show
> up when I list the modules via nginx -V although when I add the directive
> into my nginx configuration it appears works fine and limit requests
>
> I am using 1.8.1-1.el6.ngx installed from official nginx repositories
> http://nginx.org/packages/centos/6/$basearch/ and was surprised that the
> directive works fine with out needing a custom build.
>
> Is the limit_req_zone directive officially part of nginx core functionality
> ?
>
> Cheers,
>
> Tom.
>
> Posted at Nginx Forum:
> https://forum.nginx.org/read.php?2,266845,266845#msg-266845
>
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