Hello!

On Fri, Nov 25, 2011 at 11:03:39AM +0800, Delta Yeh wrote:

> 2011/11/14 Igor Sysoev <igor@sysoev.ru>:
> > Changes with nginx 1.1.8                                         14 Nov 2011
> >
> >    *) Change: the ngx_http_limit_zone_module was renamed to the
> >       ngx_http_limit_conn_module.
> >
> >    *) Change: the "limit_zone" directive was superseded by the
> >       "limit_conn_zone" directive with a new syntax.
> >
> >    *) Feature: support for multiple "limit_conn" limits on the same level.
> >
>
> Usually we use limit_zone module like:
> http{
>
> limit_zone one $binary_remote_addr 10m;
> server
> {
> location /mypage{
> limit_conn one number_of connections;
> }
> }
>
> What is the scenario that we should use multiple limit_conn ?

E.g. if you want to limit number of connections per ip *and* total
number of connections per virtual host.

limit_conn_zone $binary_remote_addr zone=perip:10m;
limit_conn_zone $server_name zone=perserver:10m;

server {
...
limit_conn perip 10;
limit_conn perserver 100;
}

> Is there a way to limit total connections to one location ?

Yes.

Maxim Dounin

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