diff -urN conntrack-tools-0.9.5/src/main.c conntrack-tools-0.9.5.p/src/main.c
--- conntrack-tools-0.9.5/src/main.c	2007-07-07 13:10:13.000000000 +0100
+++ conntrack-tools-0.9.5.p/src/main.c	2007-10-19 14:12:24.000000000 +0100
@@ -264,7 +264,7 @@
 	/*
 	 * lock file
 	 */
-	if ((ret = open(CONFIG(lockfile), O_CREAT | O_EXCL | O_TRUNC)) == -1) {
+	if ((ret = open(CONFIG(lockfile), O_CREAT | O_EXCL | O_TRUNC, S_IRUSR | S_IWUSR)) == -1) {
 		fprintf(stderr, "lockfile `%s' exists, perhaps conntrackd "
 			        "already running?\n", CONFIG(lockfile));
 		exit(EXIT_FAILURE);