--- loncom/interface/loncommon.pm	2017/08/15 23:46:15	1.1075.2.127.4.1
+++ loncom/interface/loncommon.pm	2020/02/19 23:30:26	1.1075.2.127.8.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1075.2.127.4.1 2017/08/15 23:46:15 raeburn Exp $
+# $Id: loncommon.pm,v 1.1075.2.127.8.1 2020/02/19 23:30:26 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -4946,8 +4946,14 @@ sub check_ip_acc {
     if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
         return 1;
     }
+    my $ip;
     my $allowed=0;
-    my $ip=$ENV{'REMOTE_ADDR'} || $clientip || $env{'request.host'};
+    if (($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)) {
@@ -6071,11 +6077,6 @@ td.LC_menubuttons_text {
   background: $tabbg;
 }
 
-td.LC_zero_height {
-  line-height: 0;
-  cellpadding: 0;
-}
-
 table.LC_data_table {
   border: 1px solid #000000;
   border-collapse: separate;
@@ -6748,7 +6749,6 @@ table.LC_data_table tr > td.LC_docs_entr
   color: #990000;
 }
 
-.LC_domprefs_email,
 .LC_docs_reinit_warn,
 .LC_docs_ext_edit {
   font-size: x-small;