Different limit_req rules for different user agents

[Valentin V. Bartenev]

On Monday 18 June 2012 15:14:12 LexxTheFox wrote:
> Hello.
> 
> I need to check client's user agent and apply different limit_req rules
> for different UAs.
> I've been trying to do it this way:
> 
> http {
> limit_req_zone $binary_remote_addr zone=bots:10m rate=1r/m;
> server {
> ...
> location / {
> if ($http_user_agent ~* (google|bing|yandex|msnbot) )
> {
> limit_req zone=bots burst=5 nodelay;
> }
> include balancer.conf;
> }}}

  http {

      map $http_user_agent $limit_bots {
          default '';
          ~*(google|bing|yandex|msnbot) $binary_remote_addr;
      }

      limit_req_zone $limit_bots zone=bots:10m rate=1r/m;

      server {
          location / {
              limit_req zone=bots burst=5 nodelay;
          }
      }
  }

> But apparently I'm missing something as nginx -t says '[emerg]:
> "limit_req" directive is not allowed here'. Most likely due to poor
> understanding of configfile syntax.

http://nginx.org/r/limit_req
context: 	http, server, location

 wbr, Valentin V. Bartenev