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From Rainer Canavan <rainer.cana...@sevenval.com>
Subject Re: [users@httpd] caching of HTML5 <video> (MP4)
Date Mon, 17 Jun 2019 10:32:22 GMT
On Sun, Jun 16, 2019 at 12:21 PM rexkogitans@gmx.at <rexkogitans@gmx.at> wrote:
[...]
>
> In HTTP 1.1, the caching is a simple HTTP header field, see section 14.9 here:
>
> https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html

The current RFC would be https://tools.ietf.org/html/rfc7234, but
https://tools.ietf.org/html/rfc7232#section-2 may also apply here.

If you're serving the same file from multiple servers, you may have to
ensure that the modification times are identical on all servers, so
that the Last-Modified Headers don't change, and possibly adjust the
way ETags are calculated (see
https://httpd.apache.org/docs/2.4/de/mod/core.html#fileetag), since
the INode numbers may be different from one server to the next.

rainer

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