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Old 04-21-2012, 02:03 AM   #1
roopakl
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Registered: Sep 2011
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How to allow only particular browsers in squid3 and IPTables forward rules


Hi..All,
We have configured transparent squid3 proxy server on ubuntu 11.04 O/S and also blocked https://www.facebook.com using IPTables(FORWARD) rules. Now none of the users are able to open https://www.facebook.com even after multiple tries.
But I heard that still users are browsing facebook site using aurora web browser!!!
I installed that browser and checked with aurora but I am not able to open facebook site.
Then how the users are accessing the restricted things?
Don't know, how they are accessing the restricted things using such browsers. Anyway

1) So we don't want allow such browsers to access the internet and please help me in achieving to allow only mozilla firefox and internet explorer browsers to access the internet and to deny all other browsers in squid.conf file.

2) By default FORWARD rule policy is set to ACCEPT. So it would be appreciated if you could post the IPTables commands to reset the FORWARD policy to DROP and to allow only ports 20, 21, 22, 25, 80, 110, 143, 443 or any other necessary ports in FORWARD policy and to get firewall log for also FORWARD policy. So we can monitor each user's activities with firewall logs, which we are not getting in squid logs.

Hope someone definitely help me in this.
Thanks in advance for your kind help.

Last edited by roopakl; 04-21-2012 at 11:58 AM.
 
Old 04-21-2012, 11:59 AM   #2
roopakl
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Registered: Sep 2011
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Hi..Guru,
Could anybody please help me for the above?
 
  


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