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From Charles W Buege <>
Subject [users@httpd] Proxy questions - part 2
Date Thu, 09 Jan 2014 21:47:46 GMT
Yehuda - 

I partially understand what you're saying, but I also want to make 100% 
sure my question is being answered.  Maybe this will make my question a 
bit clearer.

In the attached image (ProxyExample.jpg), I want to setup a proxy server 
(Physical Server 1).  What I want is if someone tries to access any of the 
following web sites, they pass through Physical Server 1 prior to getting 
to the actual system:

Now when someone from the outside world goes to '' (which 
I presume via DNS matches the IP address of Physical Server 1), I'd like 
the proxy server to pass along the request to Physical Server 2.

I'd also like it to happen where if Physical Server 4's Apache instance is 
down for maintenance (backups, year end processing, etc.), that the Proxy 
Server (Physical Server 1) can display a message saying that the site is 
down for maintenance.  I'm presuming this would be handled via the 
'ErrorDocument 503' that you mentioned in your last e-mail, yes?

I also presume that the DNS entries for,, and would all have the 
same IP address and then the Proxy Server (Physical Server 1) would play 
'traffic cop' and then forward the necessary traffic to the proper host 
behind the scenes.

Is what I am describing here what a proxy server can do for me?  Am I 
getting this concept correct or am I completely missing something?  As I 
said previously, proxy and such are completely new to me.

Also if anyone wants to point me towards somewhere where I can learn more 
about this (web site, books, etc.) so I'm not cluttering up this mailing 
list with newbie questions, please feel free to point me that way.

Thank you,

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