--- loncom/cgi/lonauthcgi.pm	2015/05/04 15:43:57	1.14
+++ loncom/cgi/lonauthcgi.pm	2019/02/03 22:10:43	1.14.2.1
@@ -1,7 +1,7 @@
 #
 # LON-CAPA authorization for cgi-bin scripts
 #
-# $Id: lonauthcgi.pm,v 1.14 2015/05/04 15:43:57 raeburn Exp $
+# $Id: lonauthcgi.pm,v 1.14.2.1 2019/02/03 22:10:43 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -197,10 +197,10 @@ sub check_domain_ip {
     my %remote_doms;
     my $allowed;
     if ($remote_ip ne '') {
-        if (&Apache::lonnet::hostname($remote_ip) ne '') {
+        my @remote_hosts = &Apache::lonnet::get_hosts_from_ip($remote_ip);
+        if (@remote_hosts) {
             my @poss_domains = &Apache::lonnet::current_machine_domains();
             if (@poss_domains > 0) {
-                my @remote_hosts = &Apache::lonnet::get_hosts_from_ip($remote_ip);
                 foreach my $hostid (@remote_hosts) {
                     my $hostdom = &Apache::lonnet::host_domain($hostid);
                     if ($hostdom ne '') {