dynamic rate limiting per ip

[Yichun Zhang (agentzh)]

Hello!

On Thu, Jan 2, 2014 at 12:54 PM, theotow wrote:
>
> Any Ideas if this is possible with the limit_rate of the http core module
> and lua?
>

You can use ngx_lua alone to do this.

> If it would be possible to make 2 zone dicts where the ips of the the slow
> and fast connections are in. And if someone ratelimit is dropped his ip gets
> removed from the slow dict and added to the fast dict.
>
> https://github.com/chaoslawful/lua-nginx-module#ngxshareddict
>

Yes, you can surely do that. You can use ngx.sleep() to hold back the
exceeding clients without blocking other requests served by the same
nginx worker.

Regards,
-agentzh