only apply the rewrite rule to the index directory

.htaccess.root

@@ -16,6 +16,6 @@ RewriteCond %{REMOTE_HOST} ^10\.21\. [OR]
 RewriteCond %{REMOTE_HOST} ^65\.123\.(3[2-9]|[4-5][0-9]|6[0-3])\. [OR]
 RewriteCond %{REMOTE_HOST} ^64\.39\.(24[0-9]|25[0-5])\. [OR]
 RewriteCond %{REMOTE_HOST} ^216\.218\.(20[8-9]|21[0-9]|22[0-3])\.
-RewriteCond %{REQUEST_URI} /$ [OR]
-RewriteCond %{REQUEST_URI} /index.shtml$ 
+RewriteCond %{REQUEST_URI} ^/$ [OR]
+RewriteCond %{REQUEST_URI} ^/index.shtml$ 
 RewriteRule (.*) http://news.unl.edu/newsrooms/unltoday/ [R=302,L]
\ No newline at end of file