how to set expection when using limit_conn?

[coolforce127]

i want to use limit_conn to let all remote address user maximum 1
connection. I also want to let list of private port have unlimit
connection. how do i do that?

here is my sample conf:
[code]
      limit_zone		remote_addr		$binary_remote_addr		10m;
 
     location / {
       listen       80;
       server_name  download.example.com;

       root  /var/www/html1/;

		# limit connection
		limit_conn		remote_addr		2;
		limit_rate		10k;
     }
[/code]

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,164243,164243#msg-164243