Ok, appearantly I need to set quotes for the file? /Then the ACL for that file would look like: acl accessess_to_search_engines dstdomain "/etc/squid/search-engines-urls.txt" *The quotes are important here to tell Squid it needs to look up definitions in that file.* / Now I get: *2014/02/11 11:10:40| ERROR: '.glbdns.microsoft.com' is a subdomain of '.microsoft.com' 2014/02/11 11:10:40| ERROR: because of this '.microsoft.com' is ignored to keep splay tree searching predictable 2014/02/11 11:10:40| ERROR: You should remove '.microsoft.com' from the ACL named 'direct' FATAL: Bungled my_acl_definitions.conf line 2: acl direct dstdomain "/etc/squid3/conf.d/domains" Squid Cache (Version 3.1.20): Terminated abnormally. CPU Usage: 0.012 seconds = 0.000 user + 0.012 sys Maximum Resident Size: 17424 KB Page faults with physical i/o: 26* I'll cleanup the domains file and report back with results. Stanny ----- squid.conf -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/squid-Office365-Trend-Micro-tp4664707p4664708.html Sent from the Squid - Users mailing list archive at Nabble.com.