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Issue on starting the Gateway (Firewall)

Problem:

There’s a common issue with starting the gateway related to Firewall. A firewall blocks the connection of the other server directly to the main server specially when you are using a virtual machine. This issue also is related once the gateway, netprobe, and LICD being up to date. When starting the command on activating the Gateway you will see some issues like this:

Possible Solution:

1. Check your server if the firewall is activated. Once this is activated, the connection between your server will be restricted.

   To check the status:

   sudo systemctl status firewalld

   

2. Disable the firewall, so that your devices are more vulnerable to unauthorized access.

   To disable the firewall:

   sudo service firewalld stop

   

3. You can check the status by entering the same command.

4. You can run the gateway command.

Further Reading:

• Java Point Ubuntu Disable Firewall
• IBM Task Disabling Firewall SElinux
• Gateway Reference Guide