Like many Linux distributions, Windows, and macOS, Ubuntu has a firewall. This security feature can prevent connections from unwanted sources on your system. Sometimes, though, you might want to ...

Do note that you have to launch Windows PowerShell as an administrator, otherwise, the commands will not execute and you will receive an error in PowerShell. Let’s ...

During Redhat 9's install, i specifically said to disable the firewall. Now, i installed lmule and it tells me that it can't reach port 4662. How can i find out if the firewall is turned on or off? I ...

Does anyone know how to turn off RedHat's firewall on 7.3? Somehow, it must have been turned on and it's driving me f'n nuts. I can't connect to VNC or Webmin without SSHing into the box first and I ...