From 227e21466ba921c3f79afa6594b83f63624b4f68 Mon Sep 17 00:00:00 2001
From: Chris Buechler <cmb@pfsense.org>
Date: Tue, 3 Mar 2015 23:40:03 -0600
Subject: Enable UnicastOnly in radvd for ovpn* interfaces. Ticket #4455

---
 etc/inc/services.inc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/etc/inc/services.inc b/etc/inc/services.inc
index 5f63804..7fcffda 100644
--- a/etc/inc/services.inc
+++ b/etc/inc/services.inc
@@ -118,6 +118,9 @@ function services_radvd_configure($blacklist = array()) {
 
 		$radvdconf .= "# Generated for DHCPv6 Server $dhcpv6if\n";
 		$radvdconf .= "interface {$realif} {\n";
+		if (strstr($realif, "ovpn")) {
+			$radvdconf .= "\tUnicastOnly on;\n";
+		}
 		$radvdconf .= "\tAdvSendAdvert on;\n";
 		$radvdconf .= "\tMinRtrAdvInterval 5;\n";
 		$radvdconf .= "\tMaxRtrAdvInterval 20;\n";
-- 
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