Firewalls: Access Different PROXY

Firewalls
(October 1996)

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Subject:	Access Different PROXY
From:	"Hisham Khalifa Al Saad" <webmaster @ admin . uob . bh>
Date:	Tue, 29 Oct 1996 00:55:54 +0300
To:	firewalls @ greatcircle . com

Hi,

I have a LAN connected to the Internet through our ISP, by default all
accesses to the Internet should go through the ISP's PROXY.

  -----     -----------    
   LAN ---> CISCO 2500 --->|
  -----  .  ------------   |
         .                 | 
     ----.----           ---------      ---------
     MY PROXY ..........> ISP PROXY ---> INTERNET  
     --------            -----------    ---------   

I have Installed a PROXY server on SUN Solaris on my LAN.
Now, i need to make all the accesses to the Internet go through this
PROXY(the SUN) first.
Also,the DNS on the LAN is running on DEC ALPHA/UNIX 3.2D.

Where should i make the changes to force all connections to the 
Internet from the LAN to go through the local PROXY first and 
get the authorization then go to the ISPs PROXY then to the Internet.

I would appreciate any help,
Thanks,



                -----------------------------------------
                Hisham Al Saad - University of Bahrain
                webmaster @
 admin .
 uob .
 bh
                P.O.Box 32038  - Sukhair Campus
                Phone : +973- 449251
                FAX   : +973- 449108
                WWW : http://www.uob.bh
                BAHRAIN   
                -----------------------------------------

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