[clug] Apache internal n/w Redirect/proxy clues

[Ben Coughlan]

On 30/07/2010, at 4:00 PM, A Gupta wrote:

> You can use Apache mod_alias to redirect the pages on the Linux
> machine to internal webservers:-
> 
> Redirect  /linux-web-page1.html  http://internal-host1/
> Redirect  /linux-web-page2.html  http://internal-host2/

Redirect will tell the client to try their request at the other server.  Given the other server is behind a firewall, the client won't have direct access to it.

> Cheers, Anshul
> 
> On Fri, Jul 30, 2010 at 3:32 PM, Neil Pickford <neilp at goldweb.com.au> wrote:
>> Hello
>> 
>> I use a Linux machine as my Internet gateway, Apache web server, mail server
>> and NAT router for the rest of the machines in my home network.
>> I have a couple of other web servers on the internal (NATed) network that I
>> want to access from the Internet side.
>> 
>> I have been doing this using masquerading and port forwarding using obscure
>> high port numbers, and although this is working recent changes to my work
>> firewall are now blocking the ports I have been using, so it no longer
>> functions from where I most often use it :(
>> 
>>                                    |----House Web Server (Apache)
>> Internet ----- Gateway/WWW/NAT -----|----TV Web Scheduler (Java/IIS)
>>               happy.emu.id.au      |----Windows XP Clients
>> 
>> Rather than port scanning the work firewall to find another couple of open
>> ports to use (there may now be none), I was wondering if I could denote a
>> folder in the website on the gateway machine and use the gateway web server
>> to proxy the web pages from the other machines (as it can see all the
>> required machines {house & wstv}).
>> 
>> This is sort of like a redirect, however the external web browser will not
>> be able to see the referenced internal machine directly so the typical web
>> redirect where the external browser gets the page will not work.
>> 
>> Is there a way I can tell Apache to alias/proxy certain folders to the
>> internal machines.  In this way I can use the standard port 80 web
>> interaction which will work through the work firewall?
>> 
>> I am sure there must be a method to do this, have tried looking this up but
>> as I don't know what the method is called I cannot find first base on how to
>> do it.
>> 
>> Any pointers / clues would be much appreciated.
>> 
>> Neil Pickford
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>> 
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