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 ...

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 ...

Windows Firewall has now been renamed to Windows Defender Firewall. If Windows Firewall is configured properly, it can help prevent hackers or malicious software from gaining access to your PC through ...