Conflicting server name - i don't understand

[Igor Sysoev]

On Tue, Sep 01, 2009 at 05:51:19PM -0400, ktm wrote:

> This is my vhost file.Basically for every vhost i just copy this and change domain name. What i'm missing here, why if i add the second vhost it gives me that error ?
> 
> 
> 
>  server {
>             listen   80;
>             server_name  www.xxx.com;
> 			
> 			#redirect www to non-www
>             rewrite ^/(.*) http://xxx.com/$1 permanent;
>             
> 			
>        }
> 
> 
> server {
> 			listen   80;
> 			server_name xxx.com;
>             access_log /home/xxx/log/access.log;
>             error_log /home/xxx/log/error.log;
> 			
> 			
> 			
>             location /  {
> 				root   /home/xxx/public_html/;
> 				index  index.php index.html;      
> 				expires 30d;
> 						
> 				#stop image and files hotlinking
> 				location ~* ^.+\.(gif|jpg|png|swf|flv|rar|zip|jpeg|css)$ {
> 				valid_referers none blocked xxx.com www.xxx.com *.google.com *.yahoo.com;
> 				if ($invalid_referer) {
> 				return 444;
> 				}
> 				}
> 						
> 				#joomla sef url's
> 				if (!-e $request_filename) {
> 					rewrite  ^(.*)$  /index.php?q=$1  last;
> 					break;
> 								}
> 					}
> 						
> 				if ( $args ~ "mosConfig_{1,21}(=|\%3d)" ) {
> 				set $args "";
> 				rewrite ^.*$ http://$host/index.php last;
> 				return 403;
> 				}
> 
> 				if ( $args ~ "base64_encode.*\(.*\)" ) {
> 				set $args "";
> 				rewrite ^.*$ http://$host/index.php last;
> 				return 403;
> 				}
> 
> 				if ( $args ~ "(\<|%3C).*script.*(\>|%3E)" ) {
> 				set $args "";
> 				rewrite ^.*$ http://$host/index.php last;
> 				return 403;
> 				}
> 			
> 				if ( $args ~ "GLOBALS(=|\[|\%[0-9A-Z]{0,2})" ) {
> 				set $args "";
> 				rewrite ^.*$ http://$host/index.php last;
> 				return 403;
> 				}
> 
> 				if ( $args ~ "_REQUEST(=|\[|\%[0-9A-Z]{0,2})" ) {
> 				set $args "";
> 				rewrite ^.*$ http://$host/index.php last;
> 				return 403;
> 				}
> 			
> 			
>             # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
>             location ~ \.php$ 
>             			{
>             fastcgi_pass 127.0.0.1:9000;
>             fastcgi_index index.php;
>             include /usr/local/nginx/conf/fastcgi_params;
>             fastcgi_param SCRIPT_FILENAME /home/xxx/public_html/$fastcgi_script_name;
>                         }
>        }
> 
> 	   
> server {

This server has no server_name, it will be "hostname" byt default.

> 			## Only allow GET and HEAD request methods
> 			if ($request_method !~ ^(GET|HEAD)$ ) {
> 			return 444;
> 			}
> 			## Deny illegal Host headers
> 			if ($host !~* ^(xxx.com|www.xxx.com)$ ) {
> 			return 444;
> 			}

Instead of "if ($host !~* ^(xxx.com|www.xxx.com)$ )" you should set all
server's {} with server_names and add yet another default one:

server {
     server_name _; return 444;
}

> 			## Deny certain User-Agents (case insensitive)
> 			## The ~* makes it case insensitive as opposed to just a ~
> 			if ($http_user_agent ~* (Baiduspider) ) {
> 			return 444;
> 			}
> 
> 			## Deny certain Referers (case insensitive)
> 			## The ~* makes it case insensitive as opposed to just a ~
> 			if ($http_referer ~* (babes|click|diamond|forsale|girl|jewelry|love|nudit|organic|poker|porn|poweroversoftware|sex|teen|video|webcam|zippo) ) {
> 			return 444;
> 			}
> 	  
> 			## Serve an empty 1x1 gif _OR_ an error 204 for favicon.ico
> 			location = /favicon.ico {
> 			#empty_gif;
> 			return 204;
> 			}
> 
> 
> 			## All other errors get the generic error page
> 			error_page 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417
>                  500 501 502 503 504 505 /error_page.html;
> 			location  /error_page.html {
> 			internal;
> 		  
> 		 }
> 		  
> 	}
> 
> 
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,5464,5465#msg-5465
> 

-- 
Igor Sysoev
http://sysoev.ru/en/