diff --git a/etc/mdev.conf b/etc/mdev.conf
index ace07ef..0040362 100644
--- a/etc/mdev.conf
+++ b/etc/mdev.conf
@@ -1 +1,9 @@
 $MODALIAS=.* 0:0 660 @modprobe -b "$MODALIAS"
+
+null    root:root       0666
+zero    root:root       0666
+full    root:root       0666
+urandom	root:root	0444
+
+tty	root:root	0666
+