oh, shoot, they just asked someone to install XP for them...
I'm sorry and thank you for your effort!
how,s it going
when I scan with firewall up no ports shown so your parents need to do the same with nmap that should show port open hope I,m helping
I have just scanned mine nmap -T5 -Ss -pxxxx, after disabling firewall that showed ssh port open as expected. I might add I dont use ssh over internet but on internal lan