From 6651a03a182c3d7dc0bd9fa07609196e565ceccb Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Wed, 1 Sep 2021 14:09:18 +0200
Subject: [PATCH] system: weirdness in port parsing that we don't use; closes
 #5182

---
 src/etc/inc/plugins.inc.d/openssh.inc | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/etc/inc/plugins.inc.d/openssh.inc b/src/etc/inc/plugins.inc.d/openssh.inc
index 32b0c3224..ecd740c28 100644
--- a/src/etc/inc/plugins.inc.d/openssh.inc
+++ b/src/etc/inc/plugins.inc.d/openssh.inc
@@ -219,11 +219,16 @@ function openssh_configure_do($verbose = false, $interface = '')
             continue;
         }
 
-        if (count($listeners) < 16) {
-            $listeners[] = $tmpaddr;
-        } else {
+        if (count($listeners) >= 16) {
             log_error("The SSH listening address $tmpaddr cannot be added due to MAX_LISTEN_SOCKS limit reached.");
+            continue;
         }
+
+        if ($info['family'] == 'inet6') {
+            $tmpaddr = "[$tmpaddr]";
+        }
+
+        $listeners[] = $tmpaddr;
     }
 
     foreach ($listeners as $listener) {