SPIP

server {
    server_name emeagwali.net www.emeagwali.net;
    client_max_body_size 10m;
    root /var/www/spip;
    index index.php;
 
    location / {
        try_files $uri $uri/ /spip.php?q=$uri&$args;
    }
 
    location ~^/(tmp|config)/{
        return 403;
    }
 
    location ~ \.php$ {
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php ;
        fastcgi_buffers 16 16k;
        fastcgi_buffer_size 32k;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }
}

[edit] deny access to /tmp and /local

SPIP was made to be used with Apache. So when you deploy a SPIP on a web server that don't use htaccess you must not permit visitors to access to tmp nor config (the database dumps are stored in /tmp so a visitor can discover admin password by a brut force attack).

Another way to prevent this kind of attack is

1. put these dir outside the spip root path
2. redefine _DIR_TMP & _DIR_CONNECT constants in mes_options.php

[edit] fastcgi buffer

fastcgi_buffers and fastcgi_buffers_size is to prevent "upstream sent too big header while reading response header from upstream" error