From ad9d46696d4f738ed8cd30828dca80dc5c113e1e Mon Sep 17 00:00:00 2001
From: Ad Schellevis <ad@opnsense.org>
Date: Fri, 29 May 2020 19:29:51 +0200
Subject: [PATCH] IPsec:VTI, cleanse interface name. closes
 https://github.com/opnsense/core/issues/4143

---
 src/etc/inc/plugins.inc.d/ipsec.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/etc/inc/plugins.inc.d/ipsec.inc b/src/etc/inc/plugins.inc.d/ipsec.inc
index c1e6abeae..2a0948553 100644
--- a/src/etc/inc/plugins.inc.d/ipsec.inc
+++ b/src/etc/inc/plugins.inc.d/ipsec.inc
@@ -203,7 +203,7 @@ function ipsec_interfaces()
         foreach (ipsec_get_configured_vtis() as $intf => $details) {
             $interfaces[$intf] = [
                 'enable' => true,
-                'descr' => $details['descr'],
+                'descr' => preg_replace('/[^a-z_0-9]/i', '', $details['descr']),
                 'if' => $intf,
                 'type' => 'none',
             ];