--- loncom/interface/loncommon.pm	2020/02/12 17:22:55	1.1075.2.143
+++ loncom/interface/loncommon.pm	2020/03/05 21:54:44	1.1075.2.144
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1075.2.143 2020/02/12 17:22:55 raeburn Exp $
+# $Id: loncommon.pm,v 1.1075.2.144 2020/03/05 21:54:44 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5036,7 +5036,13 @@ sub check_ip_acc {
         return 1;
     }
     my $allowed=0;
-    my $ip=$ENV{'REMOTE_ADDR'} || $clientip || $env{'request.host'};
+    my $ip;
+    if (($ENV{'REMOTE_ADDR'} eq '127.0.0.1') ||
+        ($ENV{'REMOTE_ADDR'} eq &Apache::lonnet::get_host_ip($Apache::lonnet::perlvar{'lonHostID'}))) {
+        $ip = $env{'request.host'} || $ENV{'REMOTE_ADDR'} || $clientip;
+    } else {
+        $ip = $ENV{'REMOTE_ADDR'} || $env{'request.host'} || $clientip;
+    }
 
     my $name;
     foreach my $pattern (split(',',$acc)) {