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Re: block TOR

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Thanks a lot, I gonna make that script to refresh the list. You´ve
been lot of helpful.

On Fri, Nov 18, 2011 at 3:39 PM, Leonardo Rodrigues
<leolistas@xxxxxxxxxxxxxx> wrote:
>
>    i dont know if this is valid for TOR ... but at least Ultrasurf, which i
> have analized a bit further, encapsulates traffic over squid always using
> CONNECT method and connecting to an IP address. It's basically different
> from normal HTTPS traffic, which also uses CONNECT method but almost always
> (i have found 2-3 exceptions in some years) connects to a FQDN.
>
>    So, at least with Ultrasurf, i could handle it over squid simply blocking
> CONNECT connections which tries to connect to an IP address instead of a
> FQDN.
>
>    Of course, Ultrasurf (and i suppose TOR) tries to encapsulate traffic to
> the browser-configured proxy as last resort. If it finds an NAT-opened
> network, it will always tries to go direct instead of through the proxy. So,
> its mandatory that you do NOT have a NAT-opened network, specially on ports
> TCP/80 and TCP/443. If you have those ports opened with your NAT rules, than
> i really think you'll never get rid of those services, like TOR and
> Ultrasurf.
>
>
>
>
> Em 18/11/11 14:03, Carlos Manuel Trepeu Pupo escreveu:
>>
>> So, like I see, we (the admin) have no way to block it !!
>>
>> On Thu, Sep 29, 2011 at 3:30 PM, Jenny Lee<bodycare_5@xxxxxxxx>  wrote:
>>>
>>>> Date: Thu, 29 Sep 2011 11:24:55 -0400
>>>> From: charlie.mtp@xxxxxxxxx
>>>> To: squid-users@xxxxxxxxxxxxxxx
>>>> Subject:  block TOR
>>>>
>>>> There is any way to block TOR with my Squid ?
>>>
>>> How do you get it working with tor in the first place?
>>>
>>> I really tried for one of our users. Even used Amos's custom squid with
>>> SOCKS option but no go.
>>>
>>> Jenny
>
>
> --
>
>
>        Atenciosamente / Sincerily,
>        Leonardo Rodrigues
>        Solutti Tecnologia
>        http://www.solutti.com.br
>
>        Minha armadilha de SPAM, NÃO mandem email
>        gertrudes@xxxxxxxxxxxxxx
>        My SPAMTRAP, do not email it
>
>
>
>
>



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