After successful installation –https://www.informaticar.net/how-to-install-pfsense-on-hyper-v/ and initial configuration https://www.informaticar.net/how-to-configure-pfsense/ you have working firewall. But now if you would like to customize it and block something, there are few more steps that need to be done. Read More
How to define firewall rules on pFSense
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