Re: bypass intranet sites

From: Ariel Szujatovich <aszujatovich(at)newsan.com.ar>
Date: Thu Aug 16 2007 - 09:08:32 EDT

I have solved this issue using "Proxy Auto-Config" files The issue is that if your client connect to the squid server no matter what you do, they are already processed by squid What you need to do is telling your browsers that some servers (sites, addresses, IPs, etc) should be accessed directly, while some others need to be routed through a proxy

See http://en.wikipedia.org/wiki/Proxy_auto-config to start

Below you can find an example of my own file

---

function FindProxyForURL(url, host)

// Make everything lower case.
// WARNING: all shExpMatch rules following MUST be lowercase!
url = url.toLowerCase();
host = host.toLowerCase();

// Local/Internal rule
// matches to this rule get the 'local' proxy.
// Adding rules here enables the use of 'local'

    if (0

        // LOCAL
        || isPlainHostName(host) 
        || (host == "servidor1")
        || (host == "servidor2") 
        || (host == "servidor3") 
        || (host == "localhost") 
        || shExpMatch(host, "127.*") 
        || shExpMatch(host, "10.*.*.*") 
        || shExpMatch(host, "192.168.*.*") 
        ) {
        return "DIRECT";
    } else {
        return "PROXY 99.99.99.99:80";;

    }

---

Where servidor1, servidor2, servidor3 are local servers and 99.99.99.99:80  is the address and port of the proxy server

---

Ariel Szujatovich

New San S.A.
Phone: 54 11 4546-5000 (Ext. 275)
Fax: 54 11 4545-6008
E-mail: aszujatovich@newsan.com.ar

sylvan dacounha <sylvan_2804@yahoo.com> Sent by: redhat-list-bounces@redhat.com
16/08/2007 09:04 AM
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Subject
bypass intranet sites

Dear All,
  i am new to squid and do apprecite ur help   i have the following setup  

  redhat 9
  squid
  private ip for all my clients
  I have a couple of sites in my intranet and all my locals users are using squid to access internet.
  i would want squid to bypass the proxy when users accessin the local intranet sites  

  right now users hav to explicitly say in the browsers .. BYPASS PROXY SERVER for local addresses after check the use proxy server and the address has to be mentioned  

  most users are non techinal so they dont use this option or put wrong settin in bypass proxy option  

  also when the proxy is used for proxyin local sites the load on squid increases  

  apprecite if you could tell me how cd i let squid bypass proxy for all my local intranet websites  

  i have abt 7 websites running  

  apprecite your help    

  regards    

  simon  

---

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Received on Thu Aug 16 09:10:25 2007