--- loncom/auth/lonauth.pm	2006/09/19 21:36:24	1.83
+++ loncom/auth/lonauth.pm	2006/10/06 14:28:45	1.84
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # User Authentication Module
 #
-# $Id: lonauth.pm,v 1.83 2006/09/19 21:36:24 albertel Exp $
+# $Id: lonauth.pm,v 1.84 2006/10/06 14:28:45 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -344,7 +344,9 @@ ENDFAILED
 
 
     my $buffer;
-    $r->read($buffer,$r->header_in('Content-length'),0);
+    if ($r->header_in('Content-length') > 0) {
+	$r->read($buffer,$r->header_in('Content-length'),0);
+    }
     my @pairs=split(/&/,$buffer);
     my $pair; my $name; my $value;
     undef %FORM;