W3C home > Mailing lists > Public > http-caching-historical@w3.org > February 1996

IMS current practice

From: Balint Nagy Endre <bne@bne.ind.eunet.hu>
Date: Fri, 9 Feb 1996 08:36:28 +0100 (MET)
To: http-caching@pa.dec.com (http WG caching subwg)
Message-Id: <749.bne@bne.ind.eunet.hu>
Hi all,

I discovered that 2betax netscapes send IMF like:
If-Modified-Since: Friday, 09-Feb-96 06:18:01 GMT; length=39910
I'm sure that netscapes servers use the additional length information for
check, and implementing that in other servers is an easy job - I did it in
a server written in perl. (My server reads named/bind config files and data
and my intetion is to develop an easy DNS configuration tool and to try out
some HTTP/1.1 features. Currently understands Connection: Keep-Alive and next
want add digest authentication when a digest capable browser will be available
on one of my machines.)

This netscape feature opens up a question?

should we consider in the following IMF definition for 1.1:
If-Modified-Since: 1*validator
where validator is
http-date | length | md5 | ....

NOTE: I still think validators as invalidators.

Andrew. (Endre Balint Nagy) <bne@bne.ind.eunet.hu>
Received on Friday, 9 February 1996 07:51:54 UTC

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