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From Melanie Pfefer <melanie_pfe...@yahoo.co.uk>
Subject Re: [users@httpd] alias using Virtual host
Date Tue, 28 Apr 2009 09:13:08 GMT

Hi Andre,

Thanks for the clarification.
Before proceeding with this, what is the other alternative that you mentionned?

thank you,

--- On Tue, 28/4/09, André Warnier <aw@ice-sa.com> wrote:

> From: André Warnier <aw@ice-sa.com>
> Subject: Re: [users@httpd] alias using Virtual host
> To: users@httpd.apache.org
> Date: Tuesday, 28 April, 2009, 11:25 AM
> Melanie Pfefer wrote:
> > Hi,
> > 
> > Let me clarify more:
> > 
> > I have the main http.conf file and created another
> http.conf to run another apache instance on port 8094.
> 
> That is a welcome clarification indeed.
> Why t.h. did you do that for ? ;-)
> 
> You could also do that with a single Apache.
> So, before we go any further, which solution do you prefer
> ? one or two Apaches ?
> 
> Then, if you choose to have two, for further clarification
> I suggest that in future messages, you name them like "A" or
> "B".
> 
> > 
> > I then created a DNS alias (let’s say called alias2)
> and put these lines
> > 
> 
> Where ? in which of your Apache's ?
> 
> > NameVirtualHost *:80
> > 
> > <VirtualHost *:80>
> >         ServerName
> alias2
> >         ProxyPass / http://localhost:
> 8094/
> >         ProxyPassReverse
> / http://localhost: 8094/
> > </VirtualHost>
> > 
> 
> Independently of what happens in the future
> (and I am now talking about "Apache A") :
> 
> If the above <VirtualHost> section is *the only
> one*  (or the first one) you have in that particular
> Apache instance, then it acts as the "default host" (and yes
> it will also catch all calls to "http://host").
> If you don't want that, then do as follows :
> 
> NameVirtualHost *:80
> 
> <VirtualHost *:80>
>   ServerName whatever
>   DocumentRoot /wherever
>   .. other configuration lines belonging to what you
> want http://host to
> be like
> ...
> </VirtualHost>
> 
> <VirtualHost *:80>
>          ServerName alias2
>          ProxyPass / http://localhost:
> 8094/
>          ProxyPassReverse /
> http://localhost: 8094/
> </VirtualHost>
> 
> In other words, now the first <VirtualHost> section
> above (because it is the first) becomes your default
> VirtualHost.
> Only requests that specifically name "alias2" will be
> handled by the second <VirtualHost> section (and thus
> proxied to the other server on port 8094).
> All other requests (including the ones addressed to "http://host" will be
> handled by the first section, which does not proxy.
> That is because it is now the default VirtualHost. 
> That is also why the "ServerName" you put in that one, does
> not matter, because it will catch all requests that are not
> for "alias2" anyway, as long as they arrive to your server.
> 
> 
> Next if you want, we will see how you can combine these two
> Apache's into a single one, using the same logic.
> 
> 
> > 
> > This previously worked like a charm on a server where
> apache was running on port 80.
> > 
> With respect, I kind of doubt that.
> 
> > I suspect that this time, the aliasing is not working
> perhaps because apache has:
> > 
> > Listen 8088 and
> > Listen 80
> > 
> > In the config file.
> > 
> 
> No. It has nothing to do with that.
> 
> 
> > This is the only difference.
> > 
> > 
> > With the configuration above, on the current system,
> http://host and http://alias2 go to
> http://host:8094 while I want only http://alias2 to go
> to http://host:8094.
> > 
> 
> Yes, and do you now understand why ?
> If not, go ahead and re-read http://httpd.apache.org/docs/2.2/vhosts/name-based.html
> 
> 
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> 


      

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