> -----Original Message-----
> From: Stas Bekman [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, March 20, 2001 11:44 AM
> To: mod_perl list
> Subject: no-cache headers?
>
>
> I've a note in the guide to check the correctness of the following
> section. I have these 2 questions:
>
> 1. Should all three headers be always sent?
> 2. Should $r->no_cache(1) be used for non-2xx responses?
>
> Thanks!
>
> =head1 Cache Control for Regular and Error Modes
>
> To disable the client response caching these HTTP headers should be
> used:
>
> Pragma: no-cache
> Cache-control: no-cache
> Expires: Wed, 21 Mar 2001 00:28:13 GMT
>
> where the I<Expires> field is set to the same date and time as the
> original request.
>
> For normally generated response use:
>
> $r->header_out("Pragma","no-cache");
> $r->header_out("Cache-control","no-cache");
> $r->no_cache(1);
$r->no_cache(1) sets these headers for you - no need to set them yourself.
>
> If for some reason you need to use them in Error control code
> (i.e. when sending some non-2xx response code) use:
>
> $r->err_header_out("Pragma","no-cache");
> $r->err_header_out("Cache-control","no-cache");
> $r->no_cache(1);
I don't think this is necessary
http://archive.covalent.net/perl/dev/2000/09/0042.xml
--Geoff
>
>
>
>
> _____________________________________________________________________
> Stas Bekman JAm_pH -- Just Another mod_perl Hacker
> http://stason.org/ mod_perl Guide http://perl.apache.org/guide
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>
>
