André Warnier wrote:
2d try :
RewriteEngine on
RewriteLog /var/log/apache2/mysite/rewrite.log
RewriteLogLevel 9 (so we see what's happening)
<Location /thelocation>
# 1) check if there is a trigger header and set a var if so
SetEnvIf If-modified-since (.*) wants_cache=1
# but unset the var if it's *not* an image request
# (to let Apache handle that normally)
SetEnvIf Request_URI !\.(gif|png|jpg)$ !wants_cache
# next, the condition is that the variable wants_cache is set
RewriteCond %{ENV:wants_cache} ^1$
# and if so, we re-direct this to /notmod
RewriteRule ^.*$ /notmod [L]
...
</Location>
<Location /notmod>
# this one should always send a "not modified" answer
...
</Location>
and now I'm stuck again, because I still don't know how to send back
only headers, not a body.
The general idea would be to redirect the calls to the original
directory, which wanted images, to some generic URL which always sends
back a "not modified" answer.
It would be easier with mod_perl, but I'm trying to do this strictly
with Apache modules.
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