Configure nginx with Apache

<code php> server {
		listen       80;

        location / {
            proxy_pass         http://123.45.67.89:85/;
			proxy_redirect     off;


			proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
			proxy_set_header   Host             $host;
			proxy_set_header   X-Real-IP        $remote_addr;


	    }
}</code>

Configure nginx without Apache

<code php>server {

		listen       123.45.67.89:80; 

		root /home/user/public_html;

		server_name  example.com;

	
#######################################################################

#RewriteCond %{REQUEST_URI} !^/index\.php
#RewriteCond %{REQUEST_URI} !/ow_updates/index\.php
#RewriteCond %{REQUEST_URI} !/ow_updates/
#RewriteCond %{REQUEST_URI} !/ow_cron/run\.php
#RewriteCond %{REQUEST_URI} (/|\.php|\.html|\.htm|\.xml|\.feed|robots\.txt|\.raw|/[^.]*)$  [NC]
#RewriteRule (.*) index.php

	if ($uri !~ "^/index.php"){
		set $rule 1$rule;
	}
	if ($uri !~ "/ow_updates/index.php"){
		set $rule 2$rule;
	}
	if ($uri !~ "/ow_updates/"){
		set $rule 3$rule;
	}
	if ($uri !~ "/ow_cron/run.php"){
		set $rule 4$rule;
	}
	if ($uri ~ "(/|.php|.html|.htm|.xml|.feed|robots.txt|.raw|/[^.]*)$"){
		set $rule 5$rule;
	}
	if ($rule = "54321"){
		rewrite /(.*) /index.php last;
	}


	location / {
		index index.php;
	}
	
	location ~ \.php$ {
		include        fastcgi_params;
		try_files $uri $uri/ /index.php;
#		fastcgi_pass   127.0.0.1:9000;
		fastcgi_pass unix:/var/run/php5-fpm.sock;
		fastcgi_index  index.php;
		fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
		fastcgi_param  HTTP_HOST  $host;
	}

	# Cache static content
	location ~* ^.+\.(jpg|jpeg|gif|png|ico|css|mp3|zip|tgz|rar|bz2|doc|xls|exe|pdf|ppt|txt|tar|mid|midi|flv|bmp|rtf|js|swf)$ {
		access_log off;
		root /home/user/public_html;
		expires 720h;
		add_header  Last-Modified: $date_gmt;
	}
	
	location ~ \.(js.gz|js.gzip)$
	{
		access_log off;
		add_header Content-Type ‘text/javascript’;
		add_header Content-Encoding ‘gzip’;
		expires	max;
	}

	location ~ \.(css.gz|css.gzip)$
	{
		access_log off;
		add_header Content-Type ‘text/css’;
		expires	max;
	}
} </code>