This is a sample /etc/squid/squidGuard.conf fo the blacklist described in ?SquidGuard 

#
# CONFIG FILE FOR SQUIDGUARD
#

dbhome /var/lib/squidguard/db/blacklists
logdir /var/log/squid

#
# TIME RULES:
# abbrev for weekdays:
# s = sun, m = mon, t =tue, w = wed, h = thu, f = fri, a = sat

time workhours {
        weekly mtwhf 08:00 - 16:30
        date *-*-01  08:00 - 16:30
}

#
# REWRITE RULES:
#

#rew dmz {
#       s@://admin/@://admin.foo.bar.no/@i
#       s@://foo.bar.no/@://www.foo.bar.no/@i
#}

#
# SOURCE ADDRESSES:
#

#src admin {
#       ip              1.2.3.4 1.2.3.5
#       user            root foo bar
#       within          workhours
#}

#src foo-clients {
#       ip              172.16.2.32-172.16.2.100 172.16.2.100 172.16.2.200
#}

#src bar-clients {
#       ip              172.16.4.0/26
#}

#
# DESTINATION CLASSES:
#

dest good {
}

dest local {
}

dest ads {
        domainlist      ads/domains
        urllist         ads/urls
}

dest aggressive {
        domainlist      aggressive/domains
        urllist         aggressive/urls
}

dest audio-video {
        domainlist      audio-video/domains
        urllist         audio-video/urls
}
dest drugs {
        domainlist      drugs/domains
        urllist         drugs/urls
}

dest gambling {
        domainlist      gambling/domains
        urllist         gambling/urls
}


dest hacking {
        domainlist      hacking/domains
        urllist         hacking/urls
}

dest mail {
        domainlist      mail/domains
}

dest porn {
        domainlist      porn/domains
        urllist         porn/urls
}

dest proxy {
        domainlist      proxy/domains
        urllist         proxy/urls
}

dest redirector {
        domainlist      redirector/domains
        urllist         redirector/urls
}

dest spyware {
        domainlist      spyware/domains
        urllist         spyware/urls
}

dest suspect {
        domainlist      suspect/domains
        urllist         suspect/urls
}


dest violence {
        domainlist      violence/domains
        urllist         violence/urls
}

dest warez{
        domainlist      warez/domains
        urllist         warez/urls
}


acl {
#       admin {
#               pass     any
#       }

#       foo-clients within workhours {
#               pass     good !in-addr !adult any
#       } else {
#               pass any
#       }

#       bar-clients {
#               pass    local none
#       }

        default {
                pass !ads !aggressive !audio-video !drugs !gambling !hacking !mail !porn !proxy !redirector !spyware !suspect !violence !warez all
#               rewrite  dmz
                redirect        http://tjener.intern/block.html

        }
}