Re: [squid-users] transparent proxy

From: jp_listero <jplistero_at_gmail.com>
Date: Wed, 1 Feb 2012 08:53:49 -0200

thanks amos,

so, the server side configuration is fine ... and the browser must set
to auto-detect the proxy. Is that correct ?

2012/1/31 Amos Jeffries <squid3_at_treenet.co.nz>:
> On 01.02.2012 12:17, jp_listero wrote:
>>
>> Hi all,
>>
>> I'm at opensuse 12.1 ... with his susefirewall2 ...
>> I configure a transparent proxy ... all most everything works fine ...
>> when I try to connect a https site I have different errors:
>>
>> from messages:
>> Jan 31 21:12:26 ladificil squid[2588]: parseHttpRequest: Unsupported
>> method '#026#003#001'
>> Jan 31 21:12:26 ladificil squid[2588]: clientTryParseRequest: FD 16
>> (192.168.1.110:1191) Invalid Request
>> Jan 31 21:12:26 ladificil squid[2588]: parseHttpRequest: Unsupported
>> method '#026#003#001'
>>
>> from access.log
>> 1328051587.156      0 192.168.1.110 TCP_DENIED/400 1542 NONE NONE:// -
>> NONE/- text/html
>> 1328051587.178      0 192.168.1.110 TCP_DENIED/400 1541 NONE NONE:// -
>> NONE/- text/html
>>
>> It's possible to work ssl connexions throw a transparent proxy ?
>
>
> WPAD transparently/automatic *configured* proxies yes. Others, no.
>
>
>> If I set the configuration manually at the browser, works perfect.
>
>
> Of course. When the browser is aware of the proxy it uses an HTTPS-over-HTTP
> protocol (via CONNECT requests). Squid supports that HTTP request type. Port
> 443 uses an HTTP-over-SSL protocol designed to prevent transparent proxies
> capturing the *secure* traffic.
>
> Amos
>
Received on Wed Feb 01 2012 - 10:53:55 MST

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