How to change port from filtered to open
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I had done the port forwarding on port 4444 and im using gufw as firewall but when i'm using nmap the port shows as filtered not open. PORT STATE SERVICE 4444/tcp filtered krb524 If i remove the firewall the port gets closed even the port forward is still there. PORT STATE SERVICE 4444/tcp closed krb524 How can i open the port ( with or without the firewall doesn't matter) ? I do have a dynamic ip but im using a dns to get the ip and the port forward is on dns. Thanks.
networking server dns firewall nmap
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