create examples/pf.conf which is a clone of the existing file. Now

the existing file can start losing... examples...

src/etc/Makefile

@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.378 2014/07/16 12:25:52 deraadt Exp $
+#	$OpenBSD: Makefile,v 1.379 2014/07/16 12:46:16 deraadt Exp $
 
 TZDIR=		/usr/share/zoneinfo
 LOCALTIME=	Canada/Mountain
@@ -45,7 +45,7 @@ EXAMPLES=chio.conf dhcpd.conf exports ftpchroot hosts.lpd ifstated.conf \
 	sensorsd.conf
 
 EXAMPLES_600=bgpd.conf dvmrpd.conf hostapd.conf iked.conf ipsec.conf \
-	ldapd.conf ldpd.conf ospf6d.conf ospfd.conf rc.local \
+	ldapd.conf ldpd.conf ospf6d.conf ospfd.conf pf.conf rc.local \
 	rc.securelevel rc.shutdown relayd.conf ripd.conf \
 	sasyncd.conf snmpd.conf ypldap.conf 
 

src/etc/examples/pf.conf

@@ -0,0 +1,35 @@
+#	$OpenBSD: pf.conf,v 1.1 2014/07/16 12:46:16 deraadt Exp $
+#
+# See pf.conf(5) for syntax and examples.
+# Remember to set net.inet.ip.forwarding=1 and/or net.inet6.ip6.forwarding=1
+# in /etc/sysctl.conf if packets are to be forwarded between interfaces.
+
+# increase default state limit from 10'000 states on busy systems
+#set limit states 100000
+
+set skip on lo
+
+# filter rules and anchor for ftp-proxy(8)
+#anchor "ftp-proxy/*"
+#pass in quick inet proto tcp to port ftp divert-to 127.0.0.1 port 8021
+
+# anchor for relayd(8)
+#anchor "relayd/*"
+
+block return	# block stateless traffic
+pass		# establish keep-state
+
+# rules for spamd(8)
+#table <spamd-white> persist
+#table <nospamd> persist file "/etc/mail/nospamd"
+#pass in on egress proto tcp from any to any port smtp \
+#    rdr-to 127.0.0.1 port spamd
+#pass in on egress proto tcp from <nospamd> to any port smtp
+#pass in log on egress proto tcp from <spamd-white> to any port smtp
+#pass out log on egress proto tcp to any port smtp
+
+
+#block in quick from urpf-failed to any	# use with care
+
+# By default, do not permit remote connections to X11
+block return in on ! lo0 proto tcp to port 6000:6010