--- loncom/lonnet/perl/lonnet.pm	2013/02/05 21:32:49	1.1212
+++ loncom/lonnet/perl/lonnet.pm	2013/02/08 16:07:43	1.1214
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1212 2013/02/05 21:32:49 raeburn Exp $
+# $Id: lonnet.pm,v 1.1214 2013/02/08 16:07:43 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -78,7 +78,7 @@ use Image::Magick;
 
 use Encode;
 
-use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir
+use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $apache
             $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease
             %managerstab);
 
@@ -634,7 +634,7 @@ sub check_for_valid_session {
 	|| !defined($disk_env{'user.domain'})) {
 	return undef;
     }
-    if ($r->user() eq '') {
+    if (($r->user() eq '') && ($apache >= 2.4)) {
         if ($disk_env{'user.domain'} eq $r->dir_config('lonDefDomain')) {
             $r->user($disk_env{'user.name'});
         } else {
@@ -12197,6 +12197,17 @@ $readit=1;
 	if ($test != 0) { $_64bit=1; } else { $_64bit=0; }
 	&logthis(" Detected 64bit platform ($_64bit)");
     }
+
+    {
+        eval {
+            ($apache) =
+                (Apache2::ServerUtil::get_server_version() =~ m{Apache/(\d+\.\d+)});
+        };
+        if ($@) {
+           $apache = 1.3;
+        }
+    }
+
 }
 }