--- loncom/lonnet/perl/lonnet.pm	2007/06/25 23:08:55	1.895
+++ loncom/lonnet/perl/lonnet.pm	2007/07/19 23:02:37	1.897
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.895 2007/06/25 23:08:55 albertel Exp $
+# $Id: lonnet.pm,v 1.897 2007/07/19 23:02:37 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3807,12 +3807,12 @@ sub customaccess {
 	my ($effect,$realm,$role,$type)=split(/\:/,$right);
 	if ($type eq 'user') {
 	    foreach my $scope (split(/\s*\,\s*/,$realm)) {
-		my ($tdom,$tcrs)=split(/\_/,$scope);
+		my ($tdom,$tuname)=split(m{/},$scope);
 		if ($tdom) {
 		    if ($tdom ne $env{'user.domain'}) { next; }
 		}
-		if ($tcrs) {
-		    if ($tcrs ne $env{'user.name'}) { next; }
+		if ($tuname) {
+		    if ($tuname ne $env{'user.name'}) { next; }
 		}
 		$access=($effect eq 'allow');
 		last;
@@ -7098,7 +7098,7 @@ sub getCODE {
 sub rndseed {
     my ($symb,$courseid,$domain,$username)=@_;
     my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser();
-    if (!$symb) {
+    if (!defined($symb)) {
 	unless ($symb=$wsymb) { return time; }
     }
     if (!$courseid) { $courseid=$wcourseid; }
@@ -7884,6 +7884,7 @@ sub get_dns {
     }
     
     sub reset_hosts_info {
+	&purge_remembered();
 	&reset_domain_info();
 	&reset_hosts_ip_info();
 	undef(%name_to_host);