Luigi (with Linux Mint logo) and Mario (Ubuntu logo) come in
Mother: It’s-a the Ubuntu Bros!
Linux Mint (Luigi): Mama why-a you never remember my name?
Mother: I’m-a sorry Green Ubuntu
Luigi (with Linux Mint logo) and Mario (Ubuntu logo) come in
Mother: It’s-a the Ubuntu Bros!
Linux Mint (Luigi): Mama why-a you never remember my name?
Mother: I’m-a sorry Green Ubuntu
So just close the ports (or more precise: Do not open them, as “closed” is the default for most software on Linux).