## CacheMaxExpire

Syntax: CacheMaxExpire <time>
Default: `CacheMaxExpire 24`
Context: server config, virtual host
Override: Not applicable
Status: Base
Module: mod_proxy
Compatibility: CacheMaxExpire is only available in Apache 1.1 and later.

Cachable HTTP documents will be retained for at most <time> hours without checking the origin server. Thus documents can be at most <time> hours out of date. This restriction is enforced even if an expiry date was supplied with the document.