nginx rewrite help

Igor Sysoev is at rambler-co.ru
Thu Jun 18 18:51:34 MSD 2009


On Thu, Jun 18, 2009 at 07:44:55AM -0700, Kevin Castiglione wrote:

> 2009/6/18 Igor Sysoev <is at rambler-co.ru>
> 
> > On Thu, Jun 18, 2009 at 07:21:33AM -0700, Kevin Castiglione wrote:
> >
> > > 2009/6/18 Igor Sysoev <is at rambler-co.ru>
> > >
> > > > On Thu, Jun 18, 2009 at 06:38:54AM -0700, Kevin Castiglione wrote:
> > > >
> > > > > 2009/6/18 Igor Sysoev <is at rambler-co.ru>
> > > > >
> > > > > > On Wed, Jun 17, 2009 at 09:22:46PM -0700, Kevin Castiglione wrote:
> > > > > >
> > > > > > > hei guys
> > > > > > > i want all urls to be re-written as follows:
> > > > > > >
> > > > > > > xx /host/xx
> > > > > > >
> > > > > > > xx is the url full path, it should be written as /domain/xx where
> > > > host is
> > > > > > > the hostname.
> > > > > > >
> > > > > > > for example www.ABCD.COM <http://www.abcd.com/>
> > > > > > >
> > > > > > > /test?1 ---> /ABCD.COM/test?1 <http://abcd.com/test?1>
> > > > > > > is it possible to do this with nginx?
> > > > > > > thank you!
> > > > > >
> > > > > > Should it be redirect or what ?
> > > > > >
> > > > >
> > > > > i dont want it to be a permanent redirect. i just want the url to be
> > > > > rewritten for application processing. i want different domains to be
> > > > handled
> > > > > by same web app an dmy webframe work supports only url-level
> > application
> > > > > mapping. that is why i need this rewrite.
> > > > > thank you
> > > >
> > > > If you use proxing, then
> > > >
> > > > server {
> > > >
> > > >   location / {
> > > >       proxy_pass  http://backend/$host$request_uri;
> > > >    }
> > > >
> > > > }
> > > >
> > > im using fastcgi backend.
> >
> > Then
> >
> >   location / {
> >       ...
> >       fastcgi_param  SCRIPT_FILENAME
> >                      /path/to/scripts/$host$fastcgi_script_name;
> >       ...
> >    }
> >
> igor:
> does this mean the backend fastcgi processes have to be in the same machine?
> i have my backends running on different machine like this

No, this path
       /path/to/scripts/$host$fastcgi_script_name;
may be on any host.

In your case you need probably this:

      fastcgi_param SCRIPT_FILENAME /$host$fastcgi_script_name;

> 
> 
>     upstream backend_flock{
>         server app1.YYY.com:8491 fail_timeout=1s;
>         server app2.YYY.com:8491 fail_timeout=1s;
>     }
>     server {
>         server_name  .XXX.com;
>         listen 80;
>         access_log   logs/access.log;
> 
>         client_max_body_size 10m;
>         location / {
>             root   /home/app/flock;
> 
>             fastcgi_pass backend_flock;
>             set  $addr  $remote_addr;
> 
>             if ($http_x_forwarded_for ~
> "(?:^|,)\s*(\d+\.\d+\.\d+\.\d+)\s*$") {
>                set  $addr  $1;
>             }
> 
>             fastcgi_param SCRIPT_FILENAME $fastcgi_script_name;
>             fastcgi_param PATH_INFO       $fastcgi_script_name;
>             fastcgi_param QUERY_STRING    $query_string;
>             fastcgi_param CONTENT_TYPE    $content_type;
>             fastcgi_param CONTENT_LENGTH  $content_length;
>             fastcgi_param REQUEST_METHOD  $request_method;
>             fastcgi_param REMOTE_ADDR     $addr;
>             fastcgi_param REMOTE_PORT     $remote_port;
>             fastcgi_param SERVER_PROTOCOL $server_protocol;
>             fastcgi_param SERVER_ADDR     $server_addr;
>             fastcgi_param SERVER_PORT     $server_port;
>             fastcgi_param SERVER_NAME     $server_name;
>         }
> 
>     }

Also, this

       if ($http_x_forwarded_for ~ "(?:^|,)\s*(\d+\.\d+\.\d+\.\d+)\s*$") {
           set  $addr  $1;
       }

       fastcgi_param REMOTE_ADDR     $addr;

means that anyone may forge his address.


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





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