Index: head/net/dhcp6/Makefile
===================================================================
--- head/net/dhcp6/Makefile
+++ head/net/dhcp6/Makefile
@@ -4,6 +4,7 @@
 PORTNAME=	dhcp6
 PORTVERSION=	20080615.2
 DISTVERSIONPREFIX=	v
+PORTREVISION=	1
 CATEGORIES=	net ipv6
 
 MAINTAINER=	hrs@FreeBSD.org
Index: head/net/dhcp6/files/dhcp6c.in
===================================================================
--- head/net/dhcp6/files/dhcp6c.in
+++ head/net/dhcp6/files/dhcp6c.in
@@ -16,6 +16,8 @@
 #		Set it to YES to enable dhcp6c.
 # dhcp6c_config (path):			Set to %%PREFIX%%/etc/dhcp6c.conf
 #		by default.
+# dhcp6c_dhcp6cctlkey (path):		Set to %%PREFIX%%/etc/dhcp6cctlkey
+#		by default.
 # dhcp6c_pidfile (path):		Set to /var/run/dhcp6c.pid
 #		by default.
 # dhcp6c_interfaces (NIC list):		Not defined by default.
@@ -35,6 +37,7 @@
 
 : ${dhcp6c_enable="NO"}
 : ${dhcp6c_config="%%PREFIX%%/etc/${name}.conf"}
+: ${dhcp6c_dhcp6cctlkey="%%PREFIX%%/etc/dhcp6cctlkey"}
 : ${dhcp6c_pidfile="/var/run/${name}.pid"}
 
 required_files="${dhcp6c_config}"
@@ -46,6 +49,10 @@
 	if [ -z ${dhcp6c_interfaces} ]; then
 		warn "dhcp6c_interfaces is not set."
 		return 1
+	fi
+	if [ ! -s ${dhcp6c_dhcp6cctlkey} ]; then
+		echo "Creating ${dhcp6c_dhcp6cctlkey}"
+		(umask 077 ; openssl rand -base64 48 > ${dhcp6c_dhcp6cctlkey})
 	fi
 }