[squid-users] Can I use an external ACL helper for "cache allow x" or "cache deny y" ?

Alex Rousskov rousskov at measurement-factory.com
Wed Jul 5 14:36:52 UTC 2017


On 07/05/2017 03:25 AM, Eliezer Croitoru wrote:

> Can an external acl helper be used for "cache deny x" or "cache allow y"?

Yes, the "cache" directive supports "slow" ACLs, and an external ACL is
a slow ACL:

>From http://www.squid-cache.org/Doc/config/cache

> * cache: Checked before Squid makes a hit/miss determination.
> 		No access to reply information!
> 		Denies both serving a hit and storing a miss.
> 		Supports both fast and slow ACLs.

>From http://www.squid-cache.org/Doc/config/acl

> acl aclname external class_name [arguments...]
> 	  # external ACL lookup via a helper class defined by the
> 	  # external_acl_type directive [slow]

Alex.


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