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From "Boyle Owen" <Owen.Bo...@swx.com>
Subject RE: [users@httpd] Redirecting URL
Date Thu, 17 Aug 2006 06:45:30 GMT
> -----Original Message-----
> From: Dougie [mailto:dougie@bugstumper.com] 
> Sent: Wednesday, August 16, 2006 7:11 PM
> To: users@httpd.apache.org
> Subject: [users@httpd] Redirecting URL
> 
> Hi all,
> 
>      Fairly new to Apache.  Trying to do something pretty simple, but 
> have no clue what to do.
> 
>      I have a java server (that is using Jetty, internally) on my 
> machine. The server name is located on port 9090.  I would have just 
> installed Apache on this same machine at port 80.  If I type 
> in the url, 
> http://localhost:80, I get the message that the Apache works (a page 
> saying It works! is shown).  If I type in the url, 
> http://localhost:9090, I get the webpage for my java 
> server... which is 
> correct.
> 
>      I would like it, if I typed in http://localhost:80/, I would be 
> redirected to http://localhost:9090.
> 
>      How can I do this?

The simple answer is to redirect it (see
http://httpd.apache.org/docs/2.2/mod/mod_alias.html#redirect). Something
like:

	Redirect / http://localhost:9090

However, I'm not so sure that's really what you want. I suspect you
might want a proxy...  To explain the difference, consider the following
analogy:

A man walks into a baker's.
Man: I'd like a steak please.
Baker: Then you'll have to go next door to the butcher's.
Man: OK
(man walks out shop and into the butcher's).

That's redirecting.

Alternatively;

A man walks into a baker's.
Man: I'd like a steak please.
Baker: Certainly sir.
(Baker goes out the back door, goes into the butcher's, gets a steak and
comes back)
Baker: There you are sir.
Man. Thank you...

That's proxying.

The difference is that with a redirect you inform the client of the new
address and then the client makes a new request. With a proxy, the
front-end server makes a request to the back-end on behalf of the client
and the client is none the wiser.

Typically, you use a redirect when you just want to point someone to
another URL that you know they should be able to access, eg when
updating a site, you might redirect old URLs to new ones. You use a
proxy when the back-end is inaccessible to the client (eg, it's on your
intranet, like an application server) or when you want to hide the
source of the data from the client.

Rgds,
Owen Boyle
Disclaimer: Any disclaimer attached to this message may be ignored. 



> 
> Any help is greatly appreciated
> Doug
> 
> 
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