-----Original Message----- Is it possible to block all IP based lookups from the browser with squid acls? If I assume you mean to match request to IP address, http://192.168.1.1/, instead of to a hostname like http://www.example.com, the following works quite well. # Match By IP Requests acl BYIP dstdom_regex ^[0-9\.:]*$ Thanks, Dean Weimer Network Administrator Orscheln Management Co