Use netstat -a command to view IP addresses and their port numbers. Port numbers appear after IP address in Local address column
Windows Defender Firewall monitors internet traffic and blocks unauthorized software. Control Panel can be accessed through Windows Tools folder. Run command (control firewall.cpl) works in Command Prompt and PowerShell. Search tool can be used to find and open the firewall
Firewall settings found in Windows Security under Firewall & network protection. Windows Defender Firewall acts as a data protection line. Keep firewall enabled unless necessary
Ping requests are blocked by default in Windows Firewall for security reasons. Disabling ping makes system more secure but sometimes needed for troubleshooting
Requires administrator privileges to access Windows Firewall. Open Windows Defender Firewall through Control Panel. Select Allow an app or feature through Windows Firewall. Find program in list or add manually. Uncheck program box and click OK
Windows Defender Firewall replaced Windows Firewall in Windows 10 build 16193. Firewall prevents hackers and malicious software from accessing PC. Windows automatically creates exceptions for system services and apps