--- sudo-1.6.8p12/sudoers.tty	2006-05-29 15:10:30.000000000 +0200
+++ sudo-1.6.8p12/sudoers	2006-05-29 15:17:03.000000000 +0200
@@ -13,6 +13,12 @@
 
 # Defaults specification
 
+#
+# Disable "ssh hostname sudo <cmd>", because it will show the password in clear. 
+#         You have to run "ssh -t hostname sudo <cmd>".
+#
+Defaults    requiretty
+
 Defaults    env_reset
 Defaults    env_keep = "COLORS DISPLAY HOSTNAME HISTSIZE INPUTRC KDEDIR \
                         LS_COLORS MAIL PS1 PS2 QTDIR USERNAME \