--- loncom/interface/loncommon.pm	2020/02/15 03:57:54	1.1338
+++ loncom/interface/loncommon.pm	2020/02/19 23:19:52	1.1339
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1338 2020/02/15 03:57:54 raeburn Exp $
+# $Id: loncommon.pm,v 1.1339 2020/02/19 23:19:52 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5516,8 +5516,13 @@ sub check_ip_acc {
     if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
         return 1;
     }
-    my $allowed;
-    my $ip=$ENV{'REMOTE_ADDR'} || $clientip || $env{'request.host'};
+    my ($ip,$allowed);
+    if (($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;
     my %access = (