Nginx Can't get the request port when doing proxy

such as :
Client(192.168.1.101) want visit http://192.168.1.201:9000/myfile
example,and need visit other ports.
but client must use proxy to visit. Nginx is the proxyer!

Nginx proxy running on 192.168.1.202 and listen at  port 8080 .
    I use '''proxy_pass $scheme://$host$request_uri;''' to make

proxy,but I get http-502 when I use this proxy-server.
Becase nginx use the default port 80 to proxy:
| request = http://192.168.1.201:9000/myfile
| proxy-server = 192.168.1.202 8080
| proxy-to = http://192.168.1.201:80/myfile
There are only $remote_port and $server_port on nginx-variables:
http://wiki.nginx.org/HttpCoreModule#Variables

If I just want visit port 9000 on 192.168.1.201,I can write by

‘’‘proxy_pass $scheme://$host:9000$request_uri;’’’
But it’s not a good idea ,and there are some other port to use.

How can I do ?

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,218934,218934#msg-218934

Hello!

On Thu, Nov 24, 2011 at 05:16:04AM -0500, higkoo wrote:

    | proxy-server = 192.168.1.202 8080
    | proxy-to  = http://192.168.1.201:80/myfile
There are only $remote_port and $server_port on nginx-variables:

http://wiki.nginx.org/HttpCoreModule#Variables

If I just want visit port 9000 on 192.168.1.201,I can write by

‘’‘proxy_pass $scheme://$host:9000$request_uri;’’’
But it’s not a good idea ,and there are some other port to use.

How can I do ?

Just a side note:

nginx isn’t forward proxy, it’s reverse proxy. By using nginx as
a forward proxy you are looking for problems, including security
ones.

Maxim D.

Thanks , Maxim D…

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,218934,218999#msg-218999

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