Re: Neighboring woes

From: Christian Balzer <cb@dont-contact.us>
Date: Tue, 8 Oct 1996 20:33:13 +0200 (MET DST)

James R Grinter wrote:
>
>On Tue 8 Oct, 1996, Christian Balzer <cb@brewhq.swb.de> wrote:
>>Actually that's the wrong idea (though it might be worthy to add this
>>info), as the original headers of the data and maybe the time these
>>were veryfied the last time should be sufficient to allow us to make
>
>tricky when there isn't a Last-modified: header, as seems to happen
>on some documents. In the UK we did have a 'famous' case of getting
>a homepage from Netscape of last November, which was a few months old
>at the time (and their homepage changes each day).
>
Hehehehehe, I can see how that would a) happen and b) a quite bloody
nuisance. ^_^
If there's no Last-modified: header _and_ no Expires: header as well
all you can do is calculate something rational with the ttl patterns.
And this is again something you want to do locally...

>I did quite like that Netscape's proxy added Cache-last-checked to
>the headers.
>
> HTTP/1.0 200 OK
> Date: Sun, 06 Oct 1996 13:52:48 GMT
> Server: Apache/0.8.14
> Content-type: text/html
> Content-length: 4344
> Last-modified: Sat, 05 Oct 1996 07:59:14 GMT
> Accept-ranges: bytes
> Cache-last-checked: Tuesday, 08-Oct-96 11:26:32 GMT
> Proxy-agent: Netscape-Proxy/2.1b1
>
That would be useful addition, esp. if makes things more compatible
among the various proxies. It's however just part of the solution.

Mata ne,

<CB>

-- 
  // <CB> aka Christian Balzer, Tannenstr. 23c, D-64342 Seeheim, Germany
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Received on Tue Oct 08 1996 - 11:35:15 MDT

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