Block Ports - And Address - Redhat 9

Hi I have redhat 9 installed. No GUI. But do have Webmin

I want to block all traffic be Sent and Recieved from an IP
address eg 67.67.67.1:20500 - 67.67.67.1.20510.

Im not sure how to do this?

Is there an easy firewall out there? with possible an easy
Webmin module?

Thanks

 

 

 

 

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