acl deny_url dstdomain .google.de .amazon.de
acl deny_urllist dstdomain "/etc/squid3/urllist"
acl deny_reglist dstdom_regex "/etc/squid3/reglist"
http_access allow deny_url
http_access allow deny_urllist
http_access deny deny_reglist

root@debsrv1:/etc/squid3# cat urllist
.amazon.com
.google.com
root@debsrv1:/etc/squid3# cat reglist
.*.*