You can determine if the Microsoft Windows Firewall is enabled from a command line interface (CLI) by opening a command prompt window and using the netsh command
netsh advfirewall show currentprofile. If it is
enabled, you will see the "state" value is set to "ON".C:\Users\nell>netsh advfirewall show currentprofile Public Profile Settings: ---------------------------------------------------------------------- State ON Firewall Policy BlockInbound,AllowOutbound LocalFirewallRules N/A (GPO-store only) LocalConSecRules N/A (GPO-store only) InboundUserNotification Enable RemoteManagement Disable UnicastResponseToMulticast Enable Logging: LogAllowedConnections Disable LogDroppedConnections Disable FileName %systemroot%\system32\LogFiles\Firewall\pfirewall.log MaxFileSize 4096 Ok. C:\Users\nell>
If you want to check on whether inbound access is permitted through the
firewall for a particular port or application, you can search for it with a
netsh advfirewall firewall show rule name=all dir=in command.
Since there will likely be many lines of output, you can filter the output for
a particular port or application name by
piping it to the find command. E.g., if I want to check on whether a rule is
in place for an SSH server application, I can have find look for
"SSH".
C:\Users\nell>netsh advfirewall firewall show rule name=all dir=in | find "SSH" Rule Name: Bitvise SSH Server (TCP/IPv6 22) Grouping: Bitvise SSH Server Rule Name: Bitvise SSH Server (TCP/IPv4 22) Grouping: Bitvise SSH Server C:\Users\nell>
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