diff -Nur e-smith-proxy-5.4.0/root/etc/e-smith/templates/etc/squid/squid.conf/20ACL10localhost e-smith-proxy-5.4.0-cidr/root/etc/e-smith/templates/etc/squid/squid.conf/20ACL10localhost
--- e-smith-proxy-5.4.0/root/etc/e-smith/templates/etc/squid/squid.conf/20ACL10localhost	2005-07-19 01:06:32.000000000 +0200
+++ e-smith-proxy-5.4.0-cidr/root/etc/e-smith/templates/etc/squid/squid.conf/20ACL10localhost	2013-02-18 22:36:12.513504277 +0100
@@ -1,9 +1,21 @@
 {
     use esmith::NetworksDB;
+    use Net::IPv4Addr;
 
     my $ndb = esmith::NetworksDB->open_ro();
 
-    $localAccess = $ndb->local_access_spec();
+    my $localAccess = '';
+    foreach ($ndb->local_access_spec()){
+        # If there's a / in the network string
+        # then convert to CIDR notation
+        if (m!/!) {
+            my ($ip,$bits) = Net::IPv4Addr::ipv4_parse($_);
+            $localAccess .= "$ip/$bits ";
+        }
+        else {
+            $localAccess .= "$_ ";
+        }
+    }
 
     $OUT .= "acl localsrc src $localAccess\n";
     $OUT .= "acl localdst dst $localAccess";