Re: Large cookie causing squid 3.2 to stop processing?

On 03/20/2012 12:05 PM, Guy Helmer wrote:
> On Mar 20, 2012, at 12:01 PM, Alex Rousskov wrote:
>
>> On 03/20/2012 07:10 AM, Guy Helmer wrote:
>>
>>> I have a user that fairly consistently triggers a lack of response from squid (in intercept mode) when using Facebook. In my first steps in tracking this down this problem, I found that squid stops responding after receiving a request with a huge cookie (some data modified to try preserve privacy, but the length of the data remains correct) extracted as text using Wireshark. Is this sufficient to determine what could be happening, or will it be necessary to get a debugging log?
>>
>> Is this similar to bug 3467?
>> http://bugs.squid-cache.org/show_bug.cgi?id=3467

> Hmm, I have not found any "WARNING" messages in cache.log. I was not
> using any debug_options setting at the time.

> The reassembled request from 3 TCP segments was a total of 3237
> bytes, so I would expect it Squid to be able to fully read it without
> problems.

I recommend opening a new bug report then. 3KB is by no means "huge",
will not trigger Squid warnings, and should be handled normally. To make
progress, we would probably need ALL,5+ debugging log or a way to
reproduce this.

> I will work to get a debugging log to help diagnose the situation.

Thank you,

Alex.

>>> GET /profile.php?id=1234567898&__a=22&ajaxpipe=1&ajaxpipe_token=AXiMkChrLmXntr5N&quickling[version]=525558%3B0&__user=1234567898 HTTP/1.1
>>> Accept: text/html, application/xhtml+xml, */*
>>> Referer: http://www.facebook.com/
>>> Accept-Language: en-US
>>> User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
>>> Accept-Encoding: gzip, deflate
>>> Host: www.facebook.com
>>> Connection: Keep-Alive
>>> Cookie: datr=agbdcydQeefWg9g3igjHkilwlg..; lu=agbtcCdGeifAgwhNiDjukGlg; gz=1; c_user=1234567898; xs=60%3AasbQc3dhePfAgQ%3A0%3A1234567893; x-referer=http%3A%2F%2Fwww.facebook.com%2Faa.b.ccccc%23%2F; act=1234567890983%2F28%3A2; p=7; presence=EM332202131EuserFA12345678878A2EabcdeFDsb2F0Et2F_5b_5dElm2FnullEuct2F1234567895BEtrFnullEtwF1234567899G312345678925H0EblcF0EsndF1CEchFDp_5f1414193878F4CC; sub=1; _e_1EgW_13=%5B%221EgW%22%2C1234567895306%2C%22act%22%2C1234567895305%2C21%2C%22-%22%2C%22vpv%22%2C%22-%22%2C%22home_stream%22%2C%22r%22%2C%22%2F%22%2C%7B%22ft%22%3A%7B%22qid%22%3A%221234567897014918806%22%2C%22mf_story_key%22%3A%22-1234567896193450796%22%2C%22c%22%3A%22m%22%2C%22evt%22%3A51%7D%2C%22gt%22%3A%7B%22ref%22%3A%22nf%22%7D%7D%2C0%2C0%2C0%2C0%2C16%5D; _e_1EgW_14=%5B%221EgW%22%2C1234567895309%2C%22act%22%2C1234567895309%2C22%2C%22-%22%2C%22vpv%22%2C%22-%22%2C%22home_stream%22%2C%22r%22%2C%22%2F%22%2C%7B%22ft%22%3A%7B%22qid%22%3A%221234567897014918806%22%2C%22mf_story_ke
y%
>> 22%3A%2212345678999809192%22%2C%22c%22%3A%22m%22%2C%22evt%22%3A51%7D%2C%22gt%22%3A%7B%22ref%22%3A%22nf%22%7D%7D%2C0%2C0%2C0%2C0%2C16%5D; _e_1EgW_15=%5B%221EgW%22%2C1234567895313%2C%22act%22%2C1234567895312%2C23%2C%22-%22%2C%22vpv%22%2C%22-%22%2C%22home_stream%22%2C%22r%22%2C%22%2F%22%2C%7B%22ft%22%3A%7B%22qid%22%3A%221234567897014918806%22%2C%22mf_story_key%22%3A%22123456789600239679%22%2C%22c%22%3A%22m%22%2C%22evt%22%3A51%7D%2C%22gt%22%3A%7B%22type%22%3A%22click2canvas%22%2C%22ref%22%3A%22nf%22%7D%7D%2C0%2C0%2C0%2C0%2C16%5D; _e_1EgW_16=%5B%221EgW%22%2C1234567895316%2C%22act%22%2C1234567895316%2C24%2C%22-%22%2C%22vpv%22%2C%22-%22%2C%22home_stream%22%2C%22r%22%2C%22%2F%22%2C%7B%22ft%22%3A%7B%22qid%22%3A%22123456789014918806%22%2C%22mf_story_key%22%3A%221234567898432214748%22%2C%22c%22%3A%22m%22%2C%22evt%22%3A51%7D%2C%22gt%22%3A%7B%22ref%22%3A%22nf%22%7D%7D%2C0%2C0%2C0%2C0%2C16%5D; _e_1EgW_17=%5B%221EgW%22%2C12345678926875%2C%22act%22%2C1234567896874%2C25%2C%22http%3A%2F%2Fw
ww.
>> facebook.com%2Faa.b.cccccc%22%2C%22himp%22%2C%22-%22%2C%22home_stream%22%2C%22r%22%2C%22%2F%22%2C%7B%22ft%22%3A%7B%22qid%22%3A%22123456789014918806%22%2C%22mf_story_key%22%3A%221234567899809192%22%2C%22c%22%3A%22m%22%2C%22evt%22%3A39%7D%2C%22gt%22%3A%7B%22ref%22%3A%22nf%22%7D%7D%2C0%2C0%2C0%2C0%2C16%5D; _e_1EgW_18=%5B%221EgW%22%2C123456789026%2C%22act%22%2C123456789025%2C26%2C%22http%3A%2F%2Fwww.facebook.com%2Faa.b.ccccc%22%2C%22click%22%2C%22click%22%2C%22home_stream%22%2C%22r%22%2C%22%2F%22%2C%7B%22ft%22%3A%7B%22qid%22%3A%22123456789014918806%22%2C%22mf_story_key%22%3A%2212345678999809192%22%2C%22c%22%3A%22m%22%7D%2C%22gt%22%3A%7B%22ref%22%3A%22nf%22%7D%7D%2C354%2C1233%2C0%2C981%2C16%5D; _e_1EgW_19=%5B%221EgW%22%2C1234567893986%2C%22act%22%2C1234567890983%2C28%2C%22http%3A%2F%2Fwww.facebook.com%2Fprofile.php%3Fid%3D1234567898%22%2C%22click%22%2C%22click%22%2C%22welcome_box%22%2C%22r%22%2C%22%2F%22%2C%7B%22ft%22%3A%7B%7D%2C%22gt%22%3A%7B%7D%7D%2C151%2C76%2C0%2C981%2C16%5D

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Received on Tue Mar 20 2012 - 18:19:56 MDT