Re: [htdig] ... but not changed

Subject: Re: [htdig] ... but not changed
From: David Adams (
Date: Thu Oct 05 2000 - 00:53:38 PDT

> According to Geoff Hutchison:
> > On Wed, 4 Oct 2000, David Adams wrote:
> > > It had not occured to me that an SSI file was "dynamic", I live and learn!
> >
> > Yes, if you think about it for a second, you can realize that there's no
> > way for the server to be entirely sure of the modification date for SSI
> > files. It *could* send the date of the file itself, but what if it
> > includes a file that has changed, or an actual CGI?
> Well, if the server were REALLY smart about it, it could keep track of
> the most recently modified include file or main file, and use that as
> the last modified date. It would only need to suppress the header if
> CGI output is included in the mix. Of course, the latter case would
> probably account for about 90% of SSI usage. :)
> --
> Gilles R. Detillieux E-mail: <>
> Spinal Cord Research Centre WWW:
> Dept. Physiology, U. of Manitoba Phone: (204)789-3766
> Winnipeg, MB R3E 3J7 (Canada) Fax: (204)789-3930

We certainly don't allow CGI output in SSI on our server, but I've no way
of knowing if that is unusual.

David Adams
Computing Services
University of Southampton

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