Re: [squid-users] squid and http 1.0 VS. http 1.1

From: Matias Chris <>
Date: Fri, 28 Nov 2008 11:49:56 -0200

Have you tried unchecking on your browser configuration "Use HTTP 1.1
when connecting thru proxy"?

About avoiding the proxy-cache for special sites, the only way I know
is to put exceptions on the client browser config. You can do this
with GPO also.

On Fri, Nov 28, 2008 at 7:06 AM, Joar Jegleim <> wrote:
> thnx for your reply Matus
> Matus UHLAR - fantomas wrote:
>> On 27.11.08 15:02, Joar Jegleim wrote:
>>> I've been debugging a problem with a soap app (cognos planning) which
>>> brakes when being run through our squid 3.0 proxy .
>>> After tcpdumping the whole session and investigating with wireshark it
>>> seems to me that the following happens
>>> 1. client performs a 'GET' in HTTP 1.1 to the proxy
>>> 2. the proxy then performs this GET against the app server, but now it's
>>> in HTTP 1.0
>> Yes, because squid only supports HTTP/1.0
>>> 3. the app server replies in HTTP 1.1 which in turn squid
>> The application is broken, because it must not answer in HTTP/1.1 for
>> HTTP/1.0 request
> further investigation shows that a HTTP/1.1 request from the client is
> stopped at squid with a 411 error in access.log. This request never
> reaches the app server. I suspect the client using chunked encoding and
> squid replies with a 411 'try again with content length'.
>>> 2.: I thought by configuring squid to 'always_direct' sessions to the
>>> app server that squid is transparent in between the client and the app
>>> server. As of now it seems to me that, even with bypassing squid, squid
>>> fiddles with the HTTP version in the GET's being performed resulting in
>>> the application breaking. E.G. to make this work the application must
>>> be rewritten to support giving 'content length' in those GET's where
>>> squid gives a 411
>> you aren't bypassing squid with always_direct. the always_direct is SQUID
>> directive not to use any parent proxies, but the squid is already processing
>> the request.
> ok, but is there any directive in squid to just pass on requests without
> changing the original request ?
> regards
> Joar Jegleim
Received on Fri Nov 28 2008 - 13:50:47 MST

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