Re: [squid-users] End-to-end reload?

From: Henrik Nordstrom <henrik_at_henriknordstrom.net>
Date: Wed, 05 Aug 2009 19:03:11 +0200

ons 2009-08-05 klockan 07:58 -0700 skrev Ric:
> I've recently been made aware that Apache supports something called
> "end-to-end reload" (apparently documented in http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.4)
> .
>
> I'm curious if Squid exhibits similar behavior.

Yes, by default unless you override it.

> The way the Apache developers appear to interpret this spec, a
> *request* containing a "Cache-Control: no-cache" header will
> essentially "purge" the Apache's cache during a forced reload request
> to the backend. Previously I had assumed that a client-initiated
> forced reload would just bypass any proxy caches without touching the
> cached entries themselves, except for the client's cache. Is this not
> the way Squid behaves?

Well, while it is true that the no-cache request in itself do not touch
the cache Squid still acts on the response.

Regards
Henrik
Received on Wed Aug 05 2009 - 17:03:27 MDT

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