With the community ed, there isnt a way to setup different ACLs for separate groups via the web interface. You can only set groups to go through the content filter, and AV filter. However have a look at this:
Squid Custom ACLs
http://alumnus.caltech.edu/~igormt/endian/extras.htmlHavent had time to try yet but looks like what you want.
It really looks like, but the thing is that it doesnīt appear anywhere in the interface. The authorīs page does not exist anymore. It should be great if we could assign different rules for different groups, nothing fancy.... itīs a pitty!
PS.: Iīve found this:
http://.itlinux.cl/pbruna/?p=6 (the author's page updated)