How Caches work

> Furthermore the cache always sends IMS 
> requests for non-image objects without Expires: headers, so you will be 
> able to see individual requests.  Their proxy does cache without sending 
> IMS for all image/* type files for something like 6-12 hours, though I'm 
> not sure if that can be defeated by abusing Expires: or Pragma: no-cache.

Can someone tell me which cache we are discussing here?
As far as I know, the Netscape Proxy/Cache server can be
configured to not check the currency of the file.

Mary

Received on Wednesday, 2 August 1995 20:54:53 UTC