Hello! On Wed, Jul 02, 2014 at 11:26:54PM -0400, eiji-gravion wrote:
> Are there any specific reasons why nginx has both ETags and the Last > Modified headers being sent? From my understanding, this is a bit redundant > for most situations. This is required to support both clients using Last-Modified as a cache validator, and ETag as a cache validator. As nginx doesn't know what a client will use, it returns both. (And this is identical to what other servers out there do.) Originally ETag support was added to support download resumption in IE9, it needs strong entity tags to be able to resume downloads using range requests. And obviously there are lots of clients which don't support ETag. -- Maxim Dounin http://nginx.org/ _______________________________________________ nginx mailing list [email protected] http://mailman.nginx.org/mailman/listinfo/nginx
