diff --git a/src/etc/pf.conf b/src/etc/pf.conf
index 011336cb..ecf2183c 100644
--- a/src/etc/pf.conf
+++ b/src/etc/pf.conf
@@ -1,4 +1,4 @@
-#	$OpenBSD: pf.conf,v 1.54 2014/08/23 05:49:42 deraadt Exp $
+#	$OpenBSD: pf.conf,v 1.55 2017/12/03 20:40:04 sthen Exp $
 #
 # See pf.conf(5) and /etc/examples/pf.conf
 
@@ -9,3 +9,6 @@ pass		# establish keep-state
 
 # By default, do not permit remote connections to X11
 block return in on ! lo0 proto tcp to port 6000:6010
+
+# Port build user does not need network
+block return out log proto {tcp udp} user _pbuild