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Whitelist ports required for my Generation 4 server

Required: You need to enable admin access to follow these steps.

For smooth operation of your Generation 4 server, you need to whitelist (or unblock) ports 2223 and 2224 as described here. If server events are "stuck" because the necessary ports were blocked, follow these steps and try again after 15 minutes.

Note: This procedure describes how to unblock ports if you're using FirewallD, a common firewall utility that ships with CentOS 7. If you're using a different firewall utility, you may need to change this sample code.

  1. Connect to the server via SSH. For help, see Connect to your server or shared hosting account with SSH.
  2. Run this command:
    sudo firewall-cmd --permanent --add-port=2223-2224/tcp
  3. Run these commands:
    sudo firewall-cmd --reload
    sudo firewall-cmd --list-ports
    The second of these two commands verifies that the ports are whitelisted.

More info


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