diff -urNad shorewall-core.orig/shorewall-core-4.6.4.3/debian/rules shorewall-core/shorewall-core-4.6.4.3/debian/rules
--- shorewall-core.orig/shorewall-core-4.6.4.3/debian/rules	2015-02-02 00:49:17.825424713 +0000
+++ shorewall-core/shorewall-core-4.6.4.3/debian/rules	2015-02-02 01:02:17.167712947 +0000
@@ -14,6 +14,8 @@
 
 override_dh_auto_configure:
 	./configure
+	# Strip non-determinstic build time
+	sed -i -e 's/^\(#.*\) - .*/\1/g' shorewallrc
 
 override_dh_auto_build:
 	true