Re: [squid-users] TCP_MISS/500

And sometimes, after a few unsucessfull tries, the site will just magically
work and no TCP_MISS/500 is returned...

Thibaut_ wrote:
>
> Hi,
>
> I'm having the exact same problem. I tried disabling the window size, but
> it didn't change anything.
>
> My log files are full of entries like these: (I also got sucessfull
> replies)
>
> 1249567984.678 1 192.168.0.5 TCP_MISS/500 2542 GET
> http://www.michaelsweblog.de/2009/07/26/vor-400-jahren-die-erste-mondkarte/
> - NONE/- text/html
> 1249567984.753 1 192.168.0.3 TCP_MISS/500 2527 GET
> http://www.n-tv.de/ratgeber/Aeltere-wollen-nicht-mehr-article448737.html -
> NONE/- text/html
> 1249567984.756 1 192.168.0.4 TCP_MISS/500 2501 GET
> http://www.sixapart.com/blog/2009/01/gothamist-up-to-date.html - NONE/-
> text/html
> 1249567984.826 1 192.168.0.9 TCP_MISS/500 2508 GET
> http://www.sozioproktologe.de/blog/welt/neulich_in_der_bibel.html - NONE/-
> text/html
>
> Interestingly I can request these pages without any error from other proxy
> servers in the same network (they all have the same config), allthough
> those proxy servers have their own set of urls they can't seem to fetch!
>
> Thanks,
> Thibaut
>
>
>
> Ilo Lorusso wrote:
>>
>> Hi,
>> under my /proc/sys/net/ipv4 directory, I only have the two two following
>> files
>> that mentiion win scale
>> tcp_adv_win_scale
>> tcp_window_scaling
>>
>> I set tcp_window_scaling & tcp_adv_win_scale to 0 but I still get the
>> same results when trying to browse this page.
>>
>> What else could it be?
>>
>>
>> On Thu, Jul 2, 2009 at 11:05 PM, Chris Robertson<crobertson_at_gci.net>
>> wrote:
>>> Ilo Lorusso wrote:
>>>>
>>>> Hi,
>>>>
>>>> when I try access the following website http://www.flysaaspecials.com/
>>>> I get a  "500 Internal Server Error" from the browser
>>>> and the below logs from squid. yet when I try this without going
>>>> though my squid proxy it works and the proxy and my workstation go
>>>> though the same firewall.
>>>>
>>>> 1246540647.587      822 172.20.128.100 TCP_MISS/500 565 GET
>>>> http://www.flysaaspecials.com/ - DIRECT/8.12.42.47 text/html
>>>> 1246540670.294      0 172.20.128.100 TCP_NEGATIVE_HIT/500 573 GET
>>>> http://www.flysaaspecials.com/ - NONE/- text/html
>>>> 1246540675.024      1 172.20.128.100 TCP_NEGATIVE_HIT/500 573 GET
>>>> http://www.flysaaspecials.com/ - NONE/- text/html
>>>>
>>>>
>>>> what debugging section can I enable to get a clearer picture on what
>>>> is going on?
>>>>
>>>
>>> Likely related to
>>> http://wiki.squid-cache.org/KnowledgeBase/BrokenWindowSize
>>>
>>>> I have tried deleting the cache for that specific url
>>>> http://www.flysaaspecials.com/  and Ive told squid not to cache this
>>>> domain
>>>> using the always_direct statment
>>>
>>> That doesn't do what you seem to think it does...
>>>
>>> http://www.squid-cache.org/Doc/config/always_direct/
>>>
>>> See...
>>>
>>> http://www.squid-cache.org/Doc/config/cache/
>>>
>>> ...instead for controlling caching.
>>>
>>>>  with out anyluck..
>>>>
>>>> any ideas?
>>>>
>>>
>>> The problem has nothing to do with whether the objects are cached or
>>> not,
>>> but instead the communication between the Squid server and the origin
>>> web
>>> server.
>>>
>>>> Thanks
>>>>
>>>> Regards
>>>>
>>>
>>> Chris
>>>
>>>
>>
>>
>
>

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