How can I access my Management Console of a Cloud Installation, when I have been Blacklisted?

The Problem

If your 3CX is installed on a Hosting Provider, you may accidentally get locked out of the Management Console. This could happen for a number of reasons, like blacklisting the wrong IP ranges, enabling Console Restrictions for the wrong IP, etc.
Let's take a look at how to solve this and get you back into your management console as soon as possible.

What do I need to solve this problem?

  • Access to the Operating System:
    - If it's Linux, SSH access to the machine (Secure Shell)
    - If It's Windows, RDP access to the machine (Remote Desktop)
  • The Username and Password of your Management Console

How do I access to the Management Console?


  1. Download PuTTY from here:
  2. Enter all the information required to connect to your machine over SSH like Host Name, Port, Private Key, etc, but do not start the connection attempt yet.
            Note: the settings on how to connect to your instance are not covered by this guide
  3. In the PuTTY settings, go to Connection → SSH → Tunnels

  4. Add a new Forwarded Port, where Source: 45000 (or any unused port) and destination:, then press "Add".

  5. Open the SSH connection and log in if required.
  6. Open your browser on the PC you connected from and navigate to
  7. The 3CX Management Console should appear and you can use your Username/Password to login
            Note: if the Management Console does not appear, try repeating these steps, but in step #4 choose a different source port


  1. Connect to the Windows machine using Remote Desktop
  2. On the Remote Desktop, open a browser and navigate to
  3. Login using your Username and Password