On Fri, Jul 20, 2012 at 09:48:04PM +0800, fhal wrote:

Hi there,

> I got a problem with NGINX limit_req_zone. Anyone can help? The problem is that, I want to limit user access to some specific URL, for example:
>
> /forum.php?mod=forumdisplay?
> /forum.php?mod=viewthread&***
>
> But, I do want to add an exception for below URL,
>
> /forum.php?mod=image&*

For nginx "location" matches, these three are all the same, and are all
exactly "/forum.php". The "location" goes from the first / to just before
the first ? or #.

That is why your configuration is not doing what you want.

> location ~*^/(home|forum|portal).php$ {
> root /web/www;
> limit_conn addr 5;
> limit_req zone=refresh burst=5 nodelay;
> fastcgi_pass unix:/tmp/nginx.socket;
> fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
> include fastcgi_params;
> }

I do not know what the solution is, but I expect it will involve doing
something different based on the value of $arg_mod, within that location
block.

How is limit_req_zone zone=refresh defined? Would using "map" to set
the relevant $variable to empty if $arg_mod is "image" be appropriate?

Good luck with it,

f
--
Francis Daly francis@daoine.org

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