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sudo firewall-cmd --permanent --add-port=27/tcp
#27 is the custom port, replace with the one you need
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sudo firewall-cmd --permanent --zone=public --add-port=80/tcp
sudo firewall-cmd --reload
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netsh firewall add portopening TCP 80 "Open Port 80"
netsh advfirewall firewall add rule name="Open Port 80" dir=in action=allow protocol=TCP localport=80