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Home > Success Center > Serv-U Managed File Transfer & Serv-U FTP Server > Serv-U - Knowledgebase Articles > Configure port forwarding through a D-Link Router

Configure port forwarding through a D-Link Router

Table of contents

Updated March 31, 2017


This article provides steps to configure port forward through a D-Link Router in Serv-U.



All  Serv-U versions


Configure D-Link router for forwarding ports 21 and 990 used by Serv-U:

  1. Open web browser and enter in the IP address of the router (© 2004-2007 D-Link Systems, Inc. at, obtained on March 21, 2017).
  2. Enter (admin) in the username field and leave field blank/empty. You can also enter your specified username and password.
  3. Click Advanced > Virtual Server.

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  4. Select Enabled radio button.
  5. Name your virtual server entry.
  6. In the Private IP field, enter the IP address of the computer that is hosting Serv-U on your local network (where x.x.x.x = Host IP Address).
  7. In the Protocol field, select TCP.
  8. In the field next to Private Port and Public Port, enter the port information. The private (used by Serv-U in your local network) and public (seen from WAN) ports are usually the same. To use SSL/TLS security, forward port 21 followed by port 990. 
  9. Click Apply, and then click Continue.


To forward your PASV port range:

  1. Go to Advanced and click Firewall.

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  2. Click Enabled and enter a name for the new rule (ie. PASV).
  3. To allow users to access these ports, put an Asterisk(*) in the first box and leave the second box empty.
  4. Select LAN as the Destination and enter the IP address of the computer Serv-U is installed on.
  5. Enter the range of ports that are required to be open for your PASV port range. Suggested ports are between 50,000-50,004.
  6. Select Always for the Schedule.
  7. Click Apply, and then click Continue.


Screenshots property of © 2004-2007 D-Link Systems, Inc.

Disclaimer: Please note, any content posted herein is provided as a suggestion or recommendation to you for your internal use. This is not part of the SolarWinds software or documentation that you purchased from SolarWinds, and the information set forth herein may come from third parties. Your organization should internally review and assess to what extent, if any, such custom scripts or recommendations will be incorporated into your environment.  You elect to use third party content at your own risk, and you will be solely responsible for the incorporation of the same, if any.



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