Effectiveness of multiple locations and less if directives

[Anto]

I am sorry for being a bit pushy, but it would be great if I could get 
an answer for my question.

On 10/01/11 01:09, Anto wrote:
> Hello everybody,
>
> I would like to restrict the direct access for instance, to *.txt 
> files except sitemap.txt and robots.txt. And no direct access also to 
> any *.php files except index.php and upgrade.php. I also would like to 
> prevent the "try_files" to discover and serve any *.php files as they 
> should be passed on to fastcgi backend. According to the 
> recommendation, I should use as less "if" directive inside "location" 
> as possible. So I ended up with the settings similar like below. My 
> actual settings are longer than that.
>
> If I would combine some "location" directives into one, but use more 
> "if" directives and regular expressions, would that make nginx 
> performs the processing ineffectively which in the end makes it slower?
>
> Kind regards,
>
> Anto
>
> =================================================================
>    server {
>
>       server_name mysite.eu;
>       root /home/www/mycms;
>       access_log /home/www/mycms/myvhost1/logs/nginx_access.log;
>       valid_referers mysite.eu *.mysite.eu;
>
>       if ( $request_method !~ ^(GET|HEAD|POST)$ ) {
>          return 410;
>       }
>
>       location = /favicon.ico {
>          rewrite /favicon.ico /myvhost1/favicon.ico break;
>          expires max;
>          log_not_found off;
>          access_log off;
>       }
>
>       location = /sitemap.txt {
>          rewrite /sitemap.txt /myvhost1/sitemap.txt break;
>          log_not_found off;
>          access_log off;
>       }
>
>       location = /robots.txt {
>          log_not_found off;
>          access_log off;
>       }
>
>       location = / {
>          rewrite ^ /index.php?arg=page/0 last;
>       }
>
>       location ~* \.(txt|log|php|inc|sh|pl|py)$ {
>          return 410;
>          log_not_found off;
>       }
>
>       location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
>          if ($invalid_referer) {
>             return 410;
>          }
>          expires max;
>          log_not_found off;
>          access_log off;
>       }
>
>       location / {
>          try_files $uri @mod_uri;
>       }
>
>       location @mod_uri {
>          rewrite ^/(.*)$ /index.php?arg=$1 last;
>       }
>
>       location = /upgrade.php {
>          if ($invalid_referer) {
>             return 410;
>          }
>          include fastcgi_params;
>          fastcgi_pass unix:/tmp/fastcgi.sock;
>       }
>
>       location = /index.php {
>          include fastcgi_params;
>          fastcgi_pass unix:/tmp/fastcgi.sock;
>       }
>    }
> =================================================================
>
>
>
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