On lör, 2007-07-28 at 14:50 -0700, Ricardo Newbery wrote: > I looked at refresh_pattern and it's override-expire and ignore-no- > cache options but I'm not sure I can leverage this. First, because > it isn't clear whether these options will override max-age and s- > maxage if they're present in the response. It does. > And second, because I > need this behavior to be selectively applied (probably via a response > header set by the CMS) since not *all* items on the CMS will > automatically generate purge requests and there isn't a good way to > filter these by path. A different problem.. You need to add a custom CC header, and teach Squid to use this in favor of s-maxage/max-age. > I guess what I'm looking for is something like an s-maxage that will > be applied *only* to the reverse proxy and not to anything else > upstream. Indeed. Trouble is there is no standardized such header.. If you write a patch implementing such header please submit it to squid-dev@xxxxxxxxxxxxxxxx Regards Henrik