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RE: Active proxy 'problems'

From: N. Coesel <nctnico@cistron.nl>
Date: Mon, 01 Jul 2002 19:12:13 +0200
Message-Id: <>
To: www-talk@w3.org

At 09:06 01-07-2002 -0700, you wrote:
>> This setup seems to work quite well, but there is one major 
>> drawback: There seem to be active proxies at the client side. 
>> This means that more and more sites will refresh their caches 
>> every 24 hours. This results in a huge amount of wasted 
>> bandwith since no-one (= a person) at the client side 
>> actually requested the document.
>What do you mean by 'active proxy'? Is that something that pre-fetches 
>documents just in case a user may ask for it?

Yes.. sort of. I've noticed that some proxy caches re-fetch (yes re-fetch)
the documents every 24 hours (or with shorter intervals) to keep their data
up-to-date. This results in a huge amount of hits.

>Do you know what user-agent is provided in those requests?

I'm recompiling squid (the fron-side proxy) right now to log the user agent.

Nico Coesel
Received on Monday, 1 July 2002 13:05:47 UTC

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