diff --git a/ntp.conf b/ntp.conf
index c9dba85..206a865 100644
--- a/ntp.conf
+++ b/ntp.conf
@@ -5,10 +5,10 @@ driftfile VARNTP/drift
 
 # Permit time synchronization with our time source, but do not
 # permit the source to query or modify the service on this system.
-restrict default nomodify notrap nopeer noquery
+restrict default nomodify notrap nopeer noepeer noquery
 
 # Permit association with pool servers.
-restrict source nomodify notrap noquery
+restrict source nomodify notrap noepeer noquery
 
 # Permit all access over the loopback interface.  This could
 # be tightened as well, but to do so would effect some of