--- loncom/auth/lonacc.pm	2005/02/21 18:22:04	1.60.2.1
+++ loncom/auth/lonacc.pm	2005/02/08 01:20:11	1.62
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Cookie Based Access Handler
 #
-# $Id: lonacc.pm,v 1.60.2.1 2005/02/21 18:22:04 albertel Exp $
+# $Id: lonacc.pm,v 1.62 2005/02/08 01:20:11 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -52,9 +52,6 @@ sub handler {
     my $r = shift;
     my $requrl=$r->uri;
     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
-    if ($r->header_in('User-Agent')=~/NSDL\_Search\_Bot/) {
-       return OK;
-    }
     my $lonid=$cookies{'lonID'};
     my $cookie;
     if ($lonid) {
@@ -148,9 +145,11 @@ sub handler {
                                 "$requrl:bre:1:1:Invalid Access";
   	                return HTTP_NOT_ACCEPTABLE; 
 		    }
-                    my ($map,$mid,$murl)=split(/\_\_\_/,$symb);
-		    &Apache::lonnet::symblist($map,$murl => $mid,
-                                              'last_known' => $murl);
+		    if ($symb) {
+			my ($map,$mid,$murl)=split(/\_\_\_/,$symb);
+			&Apache::lonnet::symblist($map,$murl => $mid,
+						  'last_known' => $murl);
+		    }
                 }
                 $ENV{'request.symb'}=$symb;
                 &Apache::lonnet::courseacclog($symb);