Proxy questions - part 2

[Charles W Buege <cbuege@xxxxxxxxxxxxx>]

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:
www.mycompany.com
anothersite.mycompany.com
thirdsite.mycompany.com

Now when someone from the outside world
goes to 'www.mycompany.com' (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 www.mycompany.com,
anothersite.mycompany.com, and thirdsite.mycompany.com 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,
Charles










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Attachment: ProxyExample.jpg
Description: JPEG image

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