Option Name:cache
Default Value:none
Suggested Config:

	A list of ACL elements which, if matched, cause the request to
	not be satisfied from the cache and the reply to not be cached.
	In other words, use this to force certain objects to never be cached.

	You must use the word 'DENY' to indicate the ACL names which should
	NOT be cached.

	Default is to allow all to be cached.