--- loncom/loncron	2000/12/23 16:56:46	1.11
+++ loncom/loncron	2001/01/10 17:20:44	1.12
@@ -45,6 +45,12 @@ ENDERROUT
 
 # ================================================================ Main Program
 
+# ----------------------------- Make sure this process is running from user=www
+my $wwwid=getpwnam('www');
+if ($wwwid!=$<) {
+    print("User ID mismatch.  This program must be run as user 'www'\n") unless $noprint;
+    exit 1;
+}
 
 # ------------------------------------------------------------ Read access.conf
 {