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Serv-U Gateway Server had intermittent service outages, sporadically stop listening on passive ports

This article described an issue when the Serv-U Gateway Server had intermittent service outages, sporadically stop listening on passive ports.

First published date

7/6/2020 2:50 PM

Last published date

2/12/2025 3:19 AM

Overview

In this issue, the Serv-U Gateway Server had intermittent service outages. From the Logs, it was behaving abnormally and stop listening on selective passive ports.

[01] Wed 24Jun20 23:23:26 - Stopped listening for PASV FTP connections through GATEWAY (17x.xx.xx.xx port 1180) on port number 10537, IP 17x.xx.xx.xx
[01] Wed 24Jun20 23:23:26 - Stopped listening for PASV FTP connections through GATEWAY (17x.xx.xx.xx port 1180) on port number 10529, IP 17x.xx.xx.xx
[01] Wed 24Jun20 23:23:42 - Listening for PASV FTP connections on GATEWAY (17x.xx.xx.xx port 1180) port number 10502, IP 17x.xx.xx.xx
[01] Wed 24Jun20 23:23:42 - HTTPS server listening on GATEWAY (17x.xx.xx.xx port 1180) port number 443, IP 17x.xx.xx.xx
[01] Wed 24Jun20 23:23:42 - Listening for PASV FTP connections on GATEWAY (17x.xx.xx.xx port 1180) port number 10504, IP 17x.xx.xx.xx

Product section

Serv-U Managed File Transfer & Serv-U FTP Server

Cause

A possible customer environment issue. The Serv-U MFT Server configured in a cluster environment, and the node crashed.

Resolution

1. Rebuild a new Gateway Server

2. Install the Gateway Application and restore the backup files

 

Pre-Implementation Steps:

- The files that must be backed up before the upgrade are the following:

- Serv-U-Gateway-ID.txt

Windows: C:\ProgramData\RhinoSoft\Serv-u Gateway

Linux: /usr/local/Serv-U Gateway

- Accept-Public-IP-CIDRs.txt

Windows: C:\ProgramFiles\RhinoSoft\Serv-u Gateway

Linux: /usr/local/Serv-U Gateway

 

Implementation Steps:

- Download the installer from the Customer Portal

- Login to Serv-U Gateway Server

- Install the Serv-U Gateway Application

Windows:

https://support.solarwinds.com/SuccessCenter/s/article/Serv-U-Gateway-installation-for-Windows

Linux:

https://support.solarwinds.com/SuccessCenter/s/article/Install-Serv-U-on-Linux

-  Stop Serv-U service on the new server.

-  Restore the backup files from pre-implementation Steps (Serv-U-Gateway-ID.txt, Accept-Public-IP-CIDRs.txt).

-  Start the Serv-U service.

3. Test the new server.