[squid-users] ACL for objects in the cache

Hello squid-users,

I want to create acl for configure a delay pool, there are any ACL
for objects in the squid cache?
example:
i want to create a delay pool 1 for urls. .exe .zip .mp3 (5000 bps)
and other delay pool for urls .exe .zip .mp3 (30000 bps) when the
objet is already is in the cache.
any solution?

sorry for me "english".

-- 
Best regards,
 Fabian                          mailto:fabian1@inter-k.com.ar