Authentication by acl

 Is it possible to do different user authentications based on the url a
user is trying to get? Basically I would like to be able to pass the
authentication program the acl the user is trying to get to.

acl all_access dst 1.1.1.0/255.255.255.0
acl restrict_access dst 1.1.2.0/255.255.255.0
acl password proxy_auth
http_access allow password

 (scuse me if I've got the rules messed up)

 So if a user was attempting to get to a site within the 'all_access' acl,
the authentication_program gets

<user> <passwd> all_access

 Can this be done? If not, would it be hard to impliment, or should it be
done in some other way (or am I stupid for wanting to do such a thing ;) ?

Chris

-- 
Chris Hughes - "I'm not unemployed: I'm a consultant!" - chris@fysh.org