Blocked Web Server and Squid Question

[Chris Bier]

Jon Moss wrote:
> Good afternoon everyone and happy Friday!  :)
> 
> A quick update on the Ubuntu install on the laptop for
> my church - that worked great but we experienced a
> hardware failure in the laptop last Sunday so that
> sort of took the wind out of our sails.  :(
> 
> I have a different sort of problem and it's beyond my
> expertise because I'm a infant when it comes to
> networks, NATs, TCPIP, etc.  
> 
> So, here goes. 
> 
> First, a survey.  What happens when you go to this
> URL: 
> 
> http://sharing.lansingumc.org
> 
> Do you see a login screen?  
> 
> More and more of my church members are getting blocked
> somewhere, by their employers and in some cases the
> military, I suspect because I'm doing a port forward
> through my router on port 81 to the webserver behind
> the router.  
> 
> I have two webservers at home, the church server (port
> forward to 81) and my own personal webserver (the
> normal HTTP port of 80 is forwarded to it).  
> 
> If it's being blocked because of port 81, should I
> just switch them?  
> 
> Or should I use Squid on my personal webserver to
> somehow do the forwarding from my webserver to the
> church webserver, all on port 80?  (This is where I
> need help because I've tried reading the Squid
> documentation and my mind just starts to wonder and
> get lost).  
> 
> Any suggestions would be greatly appreciated.  I will
> even go so far as to allow someone (briefly) access
> via my SSH tunnel (if you provide your IP address so I
> can add it to hosts.allow). 
> 
> Thanks again and have a great day and an even better
> weekend. 
> 
> Jon Moss

    I see the login page.  Apache has a built in proxy that can forward
requests for the other server.  It's called a reverse proxy.
(http://httpd.apache.org/docs/2.0/mod/mod_proxy.html)
    I would guess that it's probably being blocked because it's on 81.

Chris
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