--- loncom/lond	2010/08/17 20:06:25	1.451
+++ loncom/lond	2010/08/18 19:25:09	1.452
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.451 2010/08/17 20:06:25 raeburn Exp $
+# $Id: lond,v 1.452 2010/08/18 19:25:09 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -58,7 +58,7 @@ my $DEBUG = 0;		       # Non zero to ena
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.451 $'; #' stupid emacs
+my $VERSION='$Revision: 1.452 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -1789,7 +1789,11 @@ sub authenticate_handler {
         unless ($clientcancheckhost) {
             my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
             my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
-            my @intdoms = &Apache::lonnet::get_internet_names($clientname);  
+            my @intdoms;
+            my $internet_names = &Apache::lonnet::get_internet_names($clientname);
+            if (ref($internet_names) eq 'ARRAY') {
+                @intdoms = @{$internet_names};
+            }
             unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) {
                 my ($remote,$hosted);
                 my $remotesession = &get_usersession_config($udom,'remotesession');