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Re: svn commit: r1495419 - in /subversion/trunk/subversion/libsvn_ra_serf: options.c ra_serf.h serf.c util.c

From: Ivan Zhakov <ivan_at_visualsvn.com>
Date: Wed, 26 Jun 2013 02:04:29 +0400

On Wed, Jun 26, 2013 at 1:37 AM, Lieven Govaerts <svnlgo_at_mobsol.be> wrote:
> On Tue, Jun 25, 2013 at 5:15 PM, Branko Čibej <brane_at_wandisco.com> wrote:
>> On 25.06.2013 15:37, Ivan Zhakov wrote:
>>> On Tue, Jun 25, 2013 at 4:15 PM, Ivan Zhakov <ivan_at_visualsvn.com> wrote:
>>>> On Sun, Jun 23, 2013 at 3:43 AM, Greg Stein <gstein_at_gmail.com> wrote:
>>>>> On Fri, Jun 21, 2013 at 11:36 AM, Ivan Zhakov <ivan_at_visualsvn.com> wrote:
>>>>>> ...
>>>>>> The fix seems to be pretty simple and could be safely backported (see
>>>>>> patch). The only problem that probably we cannot backport addition of
>>>>>> new configuration option due our backward compatibility policy. But
>>>>>> may be I'm wrong.
>>>>> The SVN_CONFIG_OPTION_HTTP_FORCE_HTTP10 symbol cannot be added.
>>>>> Anything using and compiled against that could not be compiled against
>>>>> 1.8.0.
>>>>>
>>>>> But: we don't have to add the public symbol. We can certainly read/use
>>>>> the config option in a 1.8.1 release.
>>>>>
>>>>> But as I said else-thread, I think we should only disable chunked
>>>>> requests. Not force HTTP/1.0 completely. And call it busted-proxy :-)
>>>>>
>>>> I agree that force-http10 is not good name and semantic. Actually
>>>> these proxies is not busted: it's allowed to HTTP/1.1 proxies to
>>>> require content-length if they want. And strictly speaking proxies may
>>>> have different behavior for different requests.
>>>>
>>>> So I'm going to commit my patch with 'http-disable-chunked-requests'
>>>> and nominate for backport. This should provide workaround for current
>>>> users. And then continue discussion about full/automatic solution.
>>>>
>>> Added 'htttp-chunked-requests' configuration in r1496470.
>>
>> I'm really not a fan of this config knob. Anyone who carries their
>> laptop around will effectively have to set this as the default, because
>> you never know when the next weird proxy will pop up in front of your
>> server. And disabling chunked requests by default is a lot worse than
>> the extra non-pipelined request for broken proxies, IMO.
>
> Use https to connect to your repositories, than this whole issue does
> not impact you when on the road.
>
Good point: most forward proxies doesn't allow HTTP methods other than
GET/POST in default configuration. So users most likely already using
https when working through proxy. The issue is reverse proxies.

-- 
Ivan Zhakov
Received on 2013-06-26 00:05:21 CEST

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