привет у меня проблема с nginx,nginx скачивает php файлы.у меня сервер под cent OS 6.3. я использую webmin.вот это config файл :
#user nginx nginx;
user apache;
worker_processes 3;
worker_rlimit_nofile 8192;

error_log /var/log/nginx/error_log info;

events {
worker_connections 2048;
use epoll;
}

http {
include /etc/nginx/mime.types;
default_type application/octet-stream;

log_format main
  '$remote_addr - $remote_user [$time_local] '
  '"$request" $status $bytes_sent '
  '"$http_referer" "$http_user_agent" '
  '"$gzip_ratio"';

log_format apache
  '$remote_addr - $remote_user [$time_local] '
  '"$request" $status $bytes_sent '
  '"$http_referer" "$http_user_agent"';

access_log /var/log/nginx/access_log apache; # buffer=32k;

client_header_timeout 10;
client_body_timeout 10;
send_timeout 30;
keepalive_timeout 40 20;

connection_pool_size 256; # 8192;
client_header_buffer_size 1k;
large_client_header_buffers 4 2k;
request_pool_size 4k;

## Compression ##
gzip on;
gzip_comp_level 4;
gzip_min_length 1100;
gzip_types      text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript; # text/plain
gzip_buffers    16 8k;

output_buffers 8 32k;

## Performance ##
sendfile off; # on;
tcp_nopush on;
tcp_nodelay on;
postpone_output 0; # 1460;

## Security ##
# server {
#  server_name _;
#  return 444;
# }
server_tokens off;
ignore_invalid_headers on;
server_name_in_redirect off;

limit_zone myzone $binary_remote_addr 10m;

proxy_cache_path /dev/shm/cache levels=1:2 keys_zone=pcache:500m max_size=550m inactive=600m;
proxy_temp_path  /dev/shm/tmp;

upstream backpool_g {
  server ww.my_site_name.com:80 max_fails=0;
}

server {
                
  limit_conn myzone 10;

  listen 8088;
  server_name default;

  client_max_body_size 3m;

  # Only allow
  if ($request_method !~ ^(GET|HEAD|POST)$ ) {
   return 444;
  }

  location /nginx_status {
   stub_status on;
   access_log off;
   allow 127.0.0.1;
   deny all;
  }

  ## Proxy setup
  proxy_ignore_headers Expires;
  proxy_ignore_headers Cache-Control;
  proxy_ignore_headers Set-Cookie;
  proxy_hide_header Set-Cookie;

  proxy_set_header        Host            $host;
  proxy_set_header        X-Real-IP $remote_addr;
  proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
  proxy_connect_timeout   5;
  proxy_send_timeout      10;
  proxy_read_timeout      15;
  proxy_redirect  off;
  proxy_cache_use_stale   error timeout updating;

#  proxy_cache_key "$scheme$proxy_host$request_uri$slangu";
  proxy_cache_min_uses 1;
  proxy_cache_valid 200 301 302 5m;
#  proxy_cache_valid 404  1m;
#

  root /home/my_site_name/public_html;
  index index.php index.html index.htm;

  # don't cache but all proxy cmsadmin files

#  location /cmsadmin {

#   client_max_body_size 16m;

#   proxy_pass http://backpool_g;
#   proxy_redirect     off;
#   proxy_set_header Host    $host;
#   proxy_set_header X-Real-IP  $remote_addr;
#   proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#  }

  # cache for a while jpg,png,etc..
  #
  location ~* \./(jpg|png|gif|css|js|swf|flv|ico)$ {
   expires 30d;
  }

  location / {
   try_files $uri $uri/ @handler;
   expires 30d;
  }

  # this will catch everything that is not acctually a file but is not ending with php i say cache it and serve it hot
  location @handler {

   proxy_pass http://backpool_g;
   proxy_cache pcache;
  }

  location  ~ ^/(index|psql)\.php {

#   rewrite ^/articleid/(.*)$ /article.php?id=$1;
#   rewrite ^/newsid/(.*)$ /index.php?newsid=$1;

#   if ($http_cookie ~*  "lang=(.*)" ) {
#    set $slangu $1;
#   }
   proxy_pass http://backpool_g;
   proxy_cache pcache;

  }

  location ~ \.php$ {

   if (!-e $request_filename) {
    rewrite / /index.php last;
   }

   proxy_pass http://backpool_g;
#   proxy_pass http://localhost:82;
  }
}
  

# server {
#  listen 127.0.0.1;
#  server_name localhost;

#  access_log /var/log/nginx/localhost.access_log main;
#  error_log /var/log/nginx/localhost.error_log info;

#  root /var/www/localhost/htdocs;
# }

# SSL example
#server {
# listen 127.0.0.1:443;
# server_name localhost;

# ssl on;
# ssl_certificate /etc/ssl/nginx/nginx.pem;
# ssl_certificate_key /etc/ssl/nginx/nginx.key;

# access_log /var/log/nginx/localhost.ssl_access_log main;
# error_log /var/log/nginx/localhost.ssl_error_log info;

# root /var/www/localhost/htdocs;
#}
server_names_hash_bucket_size 128;
server {
  server_name my_site_name.com www.my_site_name.com;
  listen 192.168.1.34;
  root /home/my_site_name/public_html;
  access_log /var/log/virtualmin/my_site_name.com_access_log;
  error_log /var/log/virtualmin/my_site_name.com_error_log;
  fastcgi_param GATEWAY_INTERFACE CGI/1.1;
  fastcgi_param SERVER_SOFTWARE nginx;
  fastcgi_param QUERY_STRING $query_string;
  fastcgi_param REQUEST_METHOD $request_method;
  fastcgi_param CONTENT_TYPE $content_type;
  fastcgi_param CONTENT_LENGTH $content_length;
  fastcgi_param SCRIPT_FILENAME /home/my_site_name/public_html$fastcgi_script_name;
  fastcgi_param SCRIPT_NAME $fastcgi_script_name;
  fastcgi_param REQUEST_URI $request_uri;
  fastcgi_param DOCUMENT_URI $document_uri;
  fastcgi_param DOCUMENT_ROOT /home/my_site_name/public_html;
  fastcgi_param SERVER_PROTOCOL $server_protocol;
  fastcgi_param REMOTE_ADDR $remote_addr;
  fastcgi_param REMOTE_PORT $remote_port;
  fastcgi_param SERVER_ADDR $server_addr;
  fastcgi_param SERVER_PORT $server_port;
  fastcgi_param SERVER_NAME $server_name;
                
  location = \.php$ {
   try_files $uri =404;
   fastcgi_pass localhost:9000;
   root /home/my_site_name/public_html/;
  }
}
}
help me plz