view release on metacpan or  search on metacpan

Dynagzip.pm  view on Meta::CPAN

C<PerlSetVar Vary E<lt>valueE<gt>>

Particularly, it might be helpful to indicate the content, which depends on some conditions,
other than just compression features.
For example, when the content is personalized, someone might wish to use
the "*" C<Vary> extension in order to prevent any proxy caching.

When the outgoing content is gzipped, this extension will be appended to the regular C<Vary> header,
like in the following example:

Using the following fragment within the C<httpd.conf>:

  PerlModule Apache::Dynagzip
  <Files ~ "*\.html">
    SetHandler perl-script
    PerlHandler Apache::Dynagzip
    PerlSetVar LightCompression On
    PerlSetVar Vary *
  </Files>

We can observe the client-side log in the form of: