--- loncom/cgi/lonauthcgi.pm	2018/12/22 21:04:56	1.16
+++ loncom/cgi/lonauthcgi.pm	2020/12/18 15:23:04	1.17
@@ -1,7 +1,7 @@
 #
 # LON-CAPA authorization for cgi-bin scripts
 #
-# $Id: lonauthcgi.pm,v 1.16 2018/12/22 21:04:56 raeburn Exp $
+# $Id: lonauthcgi.pm,v 1.17 2020/12/18 15:23:04 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -92,7 +92,7 @@ sub check_ipbased_access {
     my ($page,$ip) = @_;
     my $allowed;
     if (!defined($ip)) {
-        $ip = $ENV{'REMOTE_ADDR'};
+        $ip = &Apache::lonnet::get_requestor_ip();
     }
     if ($ip eq '127.0.0.1') {
         $allowed = 1;