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From "Rosado, Rodolfo CTR MDA/IOM" <Rodolfo.Rosado....@mda.mil>
Subject RE: [users@httpd] Apache 2.055 Best Practices
Date Tue, 07 Feb 2006 14:55:16 GMT
Sorry about the shyness, although even if I wasn't, the access is ip restricted. I appreciate
your looking at the file and thanks for the advice, I'll continue to investigate the backend.
The thing that strikes me as odd, is that the links on the returned page are that of the proxy
i.e. http://xyz2:port/xyz.  

This may sound like a dumb question, but from my point of view (network engineering) please
forgive.  Which would you recommend using, mod_proxy or mod_rewrite for doinf this type of
traffic manipulation?

  

-----Original Message-----
From: Boyle Owen [mailto:Owen.Boyle@swx.com] 
Sent: Tuesday, February 07, 2006 9:30 AM
To: users@httpd.apache.org
Subject: RE: [users@httpd] Apache 2.055 Best Practices


 

> -----Original Message-----
> From: Rosado, Rodolfo CTR MDA/IOM [mailto:Rodolfo.Rosado.CTR@mda.mil]
> Sent: Dienstag, 7. Februar 2006 15:16
> To: users@httpd.apache.org
> Subject: RE: [users@httpd] Apache 2.055 Best Practices
> 
> Mr. Boyle,
> 
> Thanks for the reply, sorry about the inadvertant post.  I
> hit send befor typing....not enough coffee yet.
> 
> Anyway, you were correct about the typo. There are only the 
> two directives.   
> 
> I'm attaching my httpd.conf file.

I don't normally like ploughing throw other people's config... but I had a look at yours since
it wasn't too long... There are no obvious redirects (unless in .htaccess files) so my guess
is that it is the back-end server that is issuing the redirects. Something like:

client (request) -> apache,
apache (proxy request) -> backend,
backend (redirect to backend) -> apache
apache ( " " " ) -> client
client (reads redirect, new request) -> backend

NB the client must have a path to the backend...

So check out the backend's config. 

BTW, if you weren't so coy about your domain names etc., we could check it out directly.

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


> This one is for the Apache
> server that's listening on port 80 only, but exhibits the 
> same behavior. 
> 
> The access log does show lots of 304's & 302's, but I'm
> seeing a lot of 200's for the imagemachine requests as well.  
> 
> R2
> 
> 
> 
> 
> 
> 
>   
> 
> -----Original Message-----
> From: Boyle Owen [mailto:Owen.Boyle@swx.com]
> Sent: Tuesday, February 07, 2006 2:38 AM
> To: users@httpd.apache.org
> Subject: RE: [users@httpd] Apache 2.055 Best Practices
> 
> 
> > -----Original Message-----
> > From: Rosado, Rodolfo CTR MDA/IOM
> [mailto:Rodolfo.Rosado.CTR@mda.mil]
> > Sent: Montag, 6. Februar 2006 16:37
> > To: users@httpd.apache.org
> > Subject: [users@httpd] Apache 2.055 Best Practices
> > 
> > All,
> > 
> >   I am attempting to redirect traffic incoming to an Apache server 
> > located in a DMZ to two machines behind my firewall.
> > My Apache server listens on both ports 443 and 80.  The 
> > traffic on port 443 is redirected via a JK2 connector to a 
> > Tomact 4.1.30 server and has no issues.  The traffic on port 
> > 80 is redirected to another machine running IIS using a 
> > reverse proxy.  I also have a third machine serving images.  
> > All of the traffic from my DMZ to my backend servers must do 
> > so over 1 port. 
> 
> "redirected"????
> 
> A redirection is an alternative to proxying - the server
> responds to the client with a 301 or 302 and the client makes 
> a new request directly to the new server. To do this you use 
> Redirect directives or mod_rewrite with the [R] flag. Is this 
> what you are doing (you don't have any directives like this 
> in the config below)?
> 
> > 
> > 
> > <VirtualHost _default_:80>
> > DocumentRoot "e:/apache2/htdocs2"
> > ServerName portal.mda.mil 
> > ServerAdmin joe.paluka@sumplace.com 
> > ErrorLog logs/error.log 
> > TransferLog logs/access.log 
> > ProxyRequests Off 
> > <Proxy *> 
> > Order deny,allow 
> > Allow from all 
> > </Proxy> 
> > ProxyPass /xyz http://xyzmachine:9030/xyz 
> > <http://xyzmachine:9030/xyz>  
> > ProxyPassReverse /xyz http://xyzmachine:9030/xyz 
> > <http://xyzmachine:9030/xyz>  
> > ProxyPass /imagerequest http://imagemachine:9030/imagerequest 
> > <http://imagemachine:9030/imagerequest>  
> > ProxyPassReverse /imagerequest 
> > http://imagemachine:9030/imagerequest 
> > <http://imagemachine:9030/imagerequest>  
> 
> Why have you got *three* arguments to the Proxy directives?
> You can only have [path] [url] - I assume this is a typo...
> 
> > 
> > My challenges are:
> > The pages are served correctly by the URL's are not being
> > preserved, and the links on the served pages are also not 
> > being preserved.  
> > 
> > i.e.:
> > 
> > An inbound request may look like:
> > 
> > http://www.sumplace.com/xyz/somefunction.htm
> > <http://www.sumplace.com/xyz/somefunction.htm>
> > 
> > The page returned to the browser will have the url:
> > 
> > http://xyzmachine:9030/xyz/somefunction.htm
> > <http://xyzmachine:9030/xyz/somefunction.htm>
> 
> Pages don't have URLs. The client requests a URL and the
> server returns a page (with no indication of what was 
> originally requested). The URL you see in the browser is a 
> record of what the browser requested to get the page you see. 
> If this changes from what you typed in, it's because the 
> original server sent a 301 or 302 redirect to a new URL. The 
> browser then requested this page and changed the URL in the 
> address bar.
> 
> Your results look exactly like you are redirecting instead of
> proxying. My guess is that you have some other directives 
> somewhere that we don't know about (further up the config, 
> outside the VH, in a .htaccess file)? These are being hit 
> before we get to the Proxy directives and causing the redirect. 
> 
> Look in the access log and see what HTTP-status you are
> getting for these requests (I bet it's 301/302 - it should be 200).
> 
> Rgds,
> Owen Boyle
> Disclaimer: Any disclaimer attached to this message may be ignored.
> 
> > 
> > And the links on the page will also have the issue.
> > 
> > I've tried using the ProxyPreserverHost directive, which really 
> > didn't help.
> > 
> > Question:  How can I forward the URL to the backend and have all of 
> > the URL's return to the browser with the proper URL's?
> > 
> > Thanks for any assistance.
> > 
> > R2
> >   
> > 
> > 
> >   
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> Diese E-mail ist eine private und persönliche Kommunikation.
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