404 error on WPMU

[dika]

Hai Teams,

I've installed NginX to host my Wordpress MU.
Everything running well, but one thing didn't works properly.

When I use this : http://202.158.66.216/wp-admin/
I got *Error 404 - Not Found.

*But if I use : http://202.158.66.216/wp-admin/index.php
everything's running well.

What should I do to make this run without adding /index.php ?

here are my nginx.conf :

-------
server {
listen       80;
server_name  202.158.66.216 ;
error_log /var/log/nginx/error.lo;
location ~* 
^.+\.(html|jpg|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|doc|xls|exe|pdf|ppt|txt|tar|mid|midi|wav|bmp|rtf|js)$
{
root /data/blog/wp;
expires 30d;
break;
}

location / {
root   /data/blog/wp;
index  index.html index.htm index.php;
rewrite ^.*/files/(.*) /wp-content/blogs.php?file=$1;

if (!-e $request_filename) {
rewrite ^.+?(/wp-.*) $1 last;
rewrite ^.+?(/.*\.php)$ $1 last;
}

if ($query_string !~ ".*s=.*") {
rewrite ^(.*) /wp-content/cache/supercache/$http_host/$1index.html;
}

if ($http_cookie !~ "^.*comment_author_.*$" ) {
rewrite ^(.*) /wp-content/cache/supercache/$http_host/$1index.html;
}

if ($http_cookie !~ "^.*wordpressuser.*$" ) {
rewrite ^(.*) /wp-content/cache/supercache/$http_host/$1index.html;
}

if ($http_cookie !~ "^.*wp-postpass_.*$" ) {
rewrite ^(.*) /wp-content/cache/supercache/$http_host/$1index.html
break;
}

error_page    404  =  @tricky;
}
error_page   500 502 503 504  /50x.html;
location = /50x.html {
root   html;
}

location @tricky {
rewrite ^ /index.php last;
fastcgi_pass   127.0.0.1:9000;
fastcgi_index  index.php;
fastcgi_param  SCRIPT_FILENAME /data/blog/wp$fastcgi_script_name;
include        /opt/nginx/conf/fastcgi_params;
}

location ~ \.php$ {
fastcgi_pass   127.0.0.1:9000;
fastcgi_index  index.php;
fastcgi_param  SCRIPT_FILENAME /data/blog/wp$fastcgi_script_name;
include        /opt/nginx/conf/fastcgi_params;
}
}

--

Thanks for advice.

*Andika*
Indonesian
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