Add a sample commented out net.inet.ip.ipsec-acl=0 entry.

src/etc/sysctl.conf

@@ -1,4 +1,4 @@
-#	$OpenBSD: sysctl.conf,v 1.15 2000/01/02 05:14:52 itojun Exp $
+#	$OpenBSD: sysctl.conf,v 1.16 2000/03/30 06:42:17 angelos Exp $
 # This files contains a list of sysctl options the user wants set at
 # boot time.
 # ie.
@@ -12,3 +12,4 @@
 #ddb.console=1			# 1=Permit entry of ddb from the console
 #fs.posix.setuid=0		# 0=Traditional BSD chown() semantics
 #vm.swapencrypt=1		# 1=Encrypt pages that go to swap
+#net.inet.ip.ipsec-acl=0	# 0=disable IPsec ingress ACL checking