> On Apr 6, 2016, at 8:02 PM, Sudheer Vinukonda
> <sudhe...@yahoo-inc.com.INVALID> wrote:
>
> There's probably several ways of doing this (such as, disabling
> negative_caching etc), but, the most reliable way is to use header_rewrite to
> turn off http.cache on a non-200 response.
>
> Below's a sample config (I didn't test it myself, so, it may need some
> twiddling around):
>
> % cat plugin.config
> header_rewrite.so negative_caching.config
>
>
> % cat negative_caching.config
>
> cond %{READ_RESPONSE_HDR_HOOK} [AND]
> cond %{STATUS} >=400
> set-config proxy.config.http.cache.http 0 [L]
Pretty sure that would not work, but try it. If it doesn’t work, then change it
to something like
cond %{READ_RESPONSE_HDR_HOOK} [AND]
cond %{STATUS} >=400
set-header Cache-Control no-store,private
or some such. I think turning off the cache at this stage is too late.
— leif
