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Re: ssl interception causes "zero byte replies" sometimes

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On 06/06/2013 02:00 AM, Sean Boran wrote:
> I've started getting increasing "zero sized reply" messages in the
> browser when visiting sslbump'ed sites again.
> A reload in the browser usually works, but its annoying for users.
> 
> Last night I got many many of these while trying to access
> https://drupal.org/user/password
> In there logs there is not much:
> TCP_MISS/502 4600 POST https://drupal.org/user/password -
> PINNED/140.211.10.16 text/html
> 
> Are others having such issues, what is current recommendation? I'm
> still running trunk from dec with the 19190-001.patch referenced
> below.


The relevant code has changed a lot since then, hopefully for the
better. For example, the "better approach" mentioned in the email below
is now implemented. Consider upgrading to v3.3.


HTH,

Alex.


> On 20 December 2012 08:55, Sean Boran <sean@xxxxxxxxx> wrote:
>>
>> I applied that the first patch a few days back, no complaints so far.
>>
>> Sean
>>
>>
>> On 13 December 2012 16:14, Alex Rousskov
>> <rousskov@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>>>
>>> On 12/11/2012 02:40 AM, Sean Boran wrote:
>>>> Hi,
>>>>
>>>> It happens a few times daily  that on submitting a login request to
>>>> sites like Atlassian confluence (not just at atlassian, but elsewhere
>>>> too), or Redmine, that the user gets a screen "The requested URL could
>>>> not be retrieved" and with a "zero sized reply".
>>>>
>>>> It does not happen every time.
>>>> If one refreshes the browser it is ok.
>>>> If the destination is excluded from SSL interception, it does not
>>>> happen.
>>>
>>> Yes, this is a known issue with bumped requests and persistent
>>> connection races. Our patch for this bug is available at
>>> http://article.gmane.org/gmane.comp.web.squid.devel/19190
>>>
>>> and we are also working on a better approach to address the same bug:
>>> http://article.gmane.org/gmane.comp.web.squid.devel/19256
>>>
>>>
>>> HTH,
>>>
>>> Alex.
>>>
>>>
>>>
>>





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