On Fri, 20 Aug 2004, Laurian Gridinoc wrote:
> I wonder if squid in reverse proxy mode (probably with cache turned
> on) can improve the metadata that the web server is delivering:
Not really no.
> If my web server delivers only content-type and expires, no
> content-length or Etag; may squid add for a cached response the
> content-length so the client may pipeline data with the reverse proxy?
ETag can only be constructed in a reliable manner by the origin server.
This header must not be taken lightly as it is a very fundamental header
of HTTP/1.1 operations.
> may squid respond with 304 Not Modified if it is the case? may squid
> upgrade the communication to HTTP/1.1?
For 304 responses it is sufficient to have a Last-Modified header. Almost
all web servers is capable of sending this header.
Regards
Henrik
Received on Fri Aug 20 2004 - 17:24:23 MDT
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