Update nginx_plugin.inc.php (add port check for proxy)

Author: Marius Burkard

server/plugins-available/nginx_plugin.inc.php

@@ -1522,9 +1522,13 @@ function update($event_name, $data) {
 
 		//proxy protocol settings
 		if($web_config['vhost_proxy_protocol_enabled'] == "y"){
-			$vhost_data['use_proxy_protocol'] = $data['new']['proxy_protocol'];
-			$vhost_data['proxy_protocol_http'] = (int)$web_config['vhost_proxy_protocol_http_port'];
-			$vhost_data['proxy_protocol_https'] = (int)$web_config['vhost_proxy_protocol_https_port'];
+		    if((int)$web_config['vhost_proxy_protocol_https_port'] > 0) {
+			    $vhost_data['use_proxy_protocol'] = $data['new']['proxy_protocol'];
+			    $vhost_data['proxy_protocol_http'] = (int)$web_config['vhost_proxy_protocol_http_port'];
+			    $vhost_data['proxy_protocol_https'] = (int)$web_config['vhost_proxy_protocol_https_port'];
+		    } else {
+		        $vhost_data['use_proxy_protocol'] = "n";
+		    }
 		}else{
 			$vhost_data['use_proxy_protocol'] = "n";
 		}