diff --git a/etc/security b/etc/security
index 30533acd09af..41a09312f7ad 100644
--- a/etc/security
+++ b/etc/security
@@ -1,7 +1,7 @@
 #!/bin/sh -
 #
 #	@(#)security	5.3 (Berkeley) 5/28/91
-#	$Id$
+#	$Id: security,v 1.3 1993/09/06 23:12:04 rgrimes Exp $
 #
 PATH=/sbin:/bin:/usr/bin
 
@@ -19,15 +19,13 @@ echo "checking setuid files and devices:"
 # note that one of the original problem, the possibility of overrunning
 # the args to ls, is still here...
 #
-# add this after -a when find supports isofs, and you don't want to check
-# your cd roms
-#    \( ! \( -fstype isofs \) -o -prune \) \
-# do skip checking cdroms
-
-find / -fstype local -a \
-    \( -perm -u+s -or -perm -g+s \) | \
-	sed -e "/\/dev\//d" -e "s;//;/;g" | sort | xargs -n 20 ls -lgT > $TMP
-
+MP=`mount -t ufs | sed 's;/dev/;&r;' | awk '{ print $3 }'`
+set $MP
+ls -lgT `while test $# -ge 1; do
+	mount=$1
+	shift
+	find $mount -xdev -perm -u+s -or -perm -g+s | sort
+done` > $TMP
 
 #MP=`mount -t ufs | sed 's;/dev/;&r;' | awk '{ print $1 " " $3 }'`
 #set $MP