diff -uNr squid-2.6.STABLE16/src/cf.data.pre squid-2.6.STABLE16-new/src/cf.data.pre
--- squid-2.6.STABLE16/src/cf.data.pre	2007-09-05 17:50:15.000000000 -0400
+++ squid-2.6.STABLE16-new/src/cf.data.pre	2007-09-12 11:12:39.000000000 -0400
@@ -691,6 +691,9 @@
 #acl our_networks src 192.168.1.0/24 192.168.2.0/24
 #http_access allow our_networks
 
+# Allow localhost proxying explicitly
+http_access allow localhost
+
 # And finally deny all other access to this proxy
 http_access deny all
 NOCOMMENT_END
@@ -3412,7 +3415,7 @@
 NAME: visible_hostname
 TYPE: string
 LOC: Config.visibleHostname
-DEFAULT: none
+DEFAULT: localhost
 DOC_START
 	If you want to present a special hostname in error messages, etc,
 	define this.  Otherwise, the return value of gethostname()