csandanov commented on issue #1655: Clarification about downstream caching documentation URL: https://github.com/apache/incubator-pagespeed-ngx/issues/1655#issuecomment-501958414 Thank you for your comment. > I think the cache-control is overridden to make sure no-one downstream caches it. Do you mean another caching reverse proxy before varnish? A very specific thing to have in the standard configuration. > Varnish will cache it though From what I know the good practice is when Varnish does consider cache headers from backend responses and usually, Varnish config has something like this: ``` if (beresp.http.Cache-Control ~ "no-cache") { set beresp.http.X-VC-Cacheable = "NO:Cache-Control=no-cache"; set beresp.uncacheable = true; set beresp.ttl = 120s; } ``` I'm happy to open PR to improve the documentation or add some clarifications if you think they're needed.
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