[squid-users] refresh_pattern and same objects

[Eliezer Croitoru]

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