A penetration tester observes the following output from an Nmap command while attempting to troubleshoot connectivity to a Linux server:
Starting Nmap 7.91 ( https://nmap.org ) at 2024-01-10 12:00 UTC
Nmap scan report for example.com (192.168.1.10)
Host is up (0.001s latency).
Not shown: 9999 closed ports
PORT STATE SERVICE
21/tcp open ftp
80/tcp open http
135/tcp open msrpc
139/tcp open netbios-ssn
443/tcp open https
2222/tcp open ssh
444/tcp open microsoft-ds
Nmap done: 1 IP address (1 host up) scanned in 0.23 seconds
Which of the following is the most likely reason for the connectivity issue?
Submit