Index: en_US.ISO8859-1/books/handbook/firewalls/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/handbook/firewalls/chapter.xml
+++ en_US.ISO8859-1/books/handbook/firewalls/chapter.xml
@@ -2064,7 +2064,7 @@
 $cmd 00250 allow icmp from any to any out via $pif keep-state
 
 # Allow outbound NTP
-$cmd 00260 allow tcp from any to any 37 out via $pif setup keep-state
+$cmd 00260 allow udp from any to any 123 out via $pif setup keep-state
 
 # Allow outbound SSH
 $cmd 00280 allow tcp from any to any 22 out via $pif setup keep-state