Re: [squid-users] anonymous proxy

Dear all

please if you have a solution about the tools or somthing to add in the
squiGuard can you help me after to stop ther anonymous proxy i company will
creat a internet usage policy and communicate this clearly with all staff.

but now i need solution please

thank you

Marcus Kool wrote:
>
> There are over 75000 proxy sites and every day new ones appear.
> There are numerous Yahoo groups, Google groups and mailing lists
> who distribute new proxy sites every day.
>
> Sure, a network admin can make it a full daytime job to
> run the race against the clock; block used proxy sites and block
> tomorrow the proxy sites that his users used today, or...
> evaluate several URL filters.
>
> -Marcus
>
>
> espoire20 wrote:
>> OK but what do you mean 2. A simple regex deny for proxy
>> i have already blocked all outbound HTTP traffic in my routeur Cisco and
>> i
>> allowed just the proxy server and also i installed and configured the
>> squiGaurd with Blacklist but they can use the anonymous proxy and go to
>> see
>> web site blocked
>>
>> for example for windows we can found bloking tools
>> http://www.programmez.com/actualites.php?id_actu=2446 but me i need
>> somthing
>> in linux
>>
>> anonymous proxy like : www.Vtunnel.com , http://www.unblockya.com/
>>
>> I think in squid or linux we have blocking tools that we can use to block
>> anonymous proxy
>>
>> many thanks
>>
>> Babu Chaliyath wrote:
>>> On Tue, Nov 3, 2009 at 9:13 PM, espoire20 <zakariase2002_at_yahoo.fr>
>>> wrote:
>>>> Hi
>>>>
>>>> I have my Server proxy under Squid work very well but in the last time
>>>> the
>>>> users start to use anonymous proxy that allow users to connect to the
>>>> Internet via an external site and bypass restrictions , so if you know
>>>> some
>>>> blocking tools under squid or linux to stop this big problem
>>>>
>>>> i will be thankfull if you can help me
>>>>
>>>> many thanks
>>> 3 things might help you
>>> 1. A good Accepted User Policy enforcement
>>> 2. A simple regex deny for proxy and a block list
>>> 3. Sarg/Calamaris report to find out suspicious sites
>>>
>>> Regards
>>> Babs
>>>
>>>
>>
>
>

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