port79 79 - Pentesting finger Nmap nmap -n -sV -Pn -p- 192.168.0.102 ... 79/tcp open finger Linux fingerd ... Check if any user is logged on finger @192.168.0.102 Other options finger root@192.168.0.102 finger szalek@192.168.0.102 finger user@192.168.0.102