diff --git a/debian/postinst b/debian/postinst
new file mode 100755
index 0000000..a7c85c1
--- /dev/null
+++ b/debian/postinst
@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+if [ -x "/etc/init.d/dns-flood-detector" ]; then
+	update-rc.d dns-flood-detector defaults 40 >/dev/null
+	if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
+		invoke-rc.d dns-flood-detector start || exit $?
+	else
+		/etc/init.d/dns-flood-detector start || exit $?
+	fi
+fi
diff --git a/debian/postrm b/debian/postrm
new file mode 100755
index 0000000..ea57f84
--- /dev/null
+++ b/debian/postrm
@@ -0,0 +1,6 @@
+#!/bin/sh
+set -e
+
+if [ "$1" = "purge" ] ; then
+	update-rc.d dns-flood-detector remove >/dev/null || exit $?
+fi
diff --git a/debian/rules b/debian/rules
index a812ee3..6d542ec 100755
--- a/debian/rules
+++ b/debian/rules
@@ -50,7 +50,6 @@ binary-arch: build install
 	dh_testroot
 	dh_installchangelogs
 	dh_installdocs
-	dh_installinit -- defaults 40
 	dh_installman debian/dns-flood-detector.8
 	dh_link
 	dh_strip