From a31ec3c1eca61a55684f0604ecb041277fb93c8f Mon Sep 17 00:00:00 2001
From: Nikolay Denev <46969469+nikolay-te@users.noreply.github.com>
Date: Thu, 12 Aug 2021 17:43:33 +0300
Subject: [PATCH] Allow to specify port ranges for outgoing NAT. (#4748)

This allows to specify port ranges for NAT which is a valid pf configuration.
---
 src/www/firewall_nat_out_edit.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/www/firewall_nat_out_edit.php b/src/www/firewall_nat_out_edit.php
index 40f0cac6d..6605ad65f 100644
--- a/src/www/firewall_nat_out_edit.php
+++ b/src/www/firewall_nat_out_edit.php
@@ -162,7 +162,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
         if(!empty($pconfig['dstport']) && !is_portrange($pconfig['dstport']) && !is_portoralias($pconfig['dstport'])) {
             $input_errors[] = gettext("You must supply either a valid port or port alias for the destination port entry.");
         }
-        if (!empty($pconfig['natport']) && !is_port($pconfig['natport']) && empty($pconfig['nonat'])) {
+        if (!empty($pconfig['natport']) && !(is_port($pconfig['natport']) || is_portrange($pconfig['natport'])) && empty($pconfig['nonat'])) {
             $input_errors[] = gettext("You must supply a valid port for the NAT port entry.");
         }
     }