proxy_cache_valid directive and cache control headers from up-stream web servers

Weikai Xie xieweikai at
Wed Jul 6 05:43:27 MSD 2011

   If I set "proxy_cache_valid 200 10m;", while a page returned by
up-stream web server has a "Cache-contro:max-age=30s" header, then how
long this page will be cached?

Thanks for your help in advance.


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