Sometimes, though, you might want to disable it (or at least configure the firewall with port-forwarding rules) if you want to let network traffic through. Ubuntu's default firewall configuration ...

If that’s not an option, you may need to temporarily disable the firewall. You can do this by going to the Firewall & Network Protection area of Windows Security. MacOS uses three layers of ...

The antivirus program you have installed on your computer, or the firewall might be interfering with the connection. You need to disable the antivirus in the program settings and see if it helps.