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Home > Success Center > Serv-U Managed File Transfer & Serv-U FTP Server > Serv-U - Knowledgebase Articles > HTTPS 501 not implemented error when accessing the web client

HTTPS 501 not implemented error when accessing the web client

Table of contents

Updated: October 23, 2017

Overview

When you access the web client, the following error displays:

501 not implemented

This could be an issue with the load balancer. 

Environment

  • Serv-U MFT 15.1.5

Steps

  1. If the HTTPS ports on the server are listening, telnet to the server and check for a response.
  2. Access the web client internally direct to the MFT server. If accessible, MFT is not an issue.
  3. Access the web client internally direct to the Serv-U Gateway. If accessible, the gateway is not an issue.
  4. If the issue occurs when accessing externally, this is a network issue. Serv-U is working properly.
  5. Check your firewall or load balancer configuration.
  6. Check the SSL offloading setting on the load balancer.
  7. Check the load balancer certificate. 

 

 

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