[squid-users] refresh_pattern and same objects

[Yuri Voinov]

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I'm getting a very high hit ratio in my cache.And I do not intend to
lower its with myself. Enough and that on the opposite side of the
thousands of webmasters counteract caching their content on its own
grounds. Beginning from YouTube.

02.09.15 15:50, Eliezer Croitoru пишет:
> On 02/09/2015 12:46, Yuri Voinov wrote:
>> all, but I assume that you do not want innocent victims, like the few
>> gifs that actually have a different image depending on the parameter.
>> May be, may be not. Most often I deal with unscrupulous webmasters who
>> deliberately do the same unfriendly content caching. For example, adding
>> a request to the query symbol at the end of a obvious permanent URL.
>> Either using the Web tracking bugs for my clients using the image
>> parameters. I have not met the required functional imaging with
>> parameters yet. I'm not talking about the script or active content. But
>> the image of the form nttp: //www.abc.xyz/img/default.gif? U =
>> assdfghzhk1234 is obvious tracker. And must be killed or cached.
>> Otherwise, the cache begins to fill with smear, used only once in each
>> query.
> How about using a 304 re-validation ?
>
> Eliezer
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