On Oct 17, 2010, at 9:19 AM, Graham Leggett wrote: > Hi all, > > One of the missing things that mod_cache can't do that other caches can is to > be able to override the Cache-Control and Vary headers, so that the cache can > be targeted for custom behaviour. > > The classic use case is when you insert request headers into your server > stack, which you want to vary on. The Vary header in this case would make no > sense to the internet at large, or the Vary header for the benefit of the > internet may be different to the Vary header for the benefit of mod_cache. > > What I propose are some simple per-directory directives, allowing you to > optionally override the names of Cache-Control, Pragma, and Vary headers for > outgoing requests, for example X-Cache-Control, X-Pragma or X-Vary.
No, we don't introduce X- prefix headers. The functionality you describe is not specific to cache -- just implement a response header filter that the admin can configure as they wish and that is applied just after the content generator. ....Roy
