You have just finished running an nmap scan eccouncil video

ethical-hacker video for you have just finished running an nmap scan on a server are see the following output:

Full Certification Question

You have just finished running an nmap scan on a server are see the following output: -=-=-=-=-=-=--=-=-=-=-=-=--=-=-=-=-=-=--=-=-=-=-=-=- # nmap diontraining.com Starting Nmap ( http://nmap.org ) Nmap scan report for diontraining.com (64.13.134.52) Not shown: 996 filtered ports PORT STATE 22/tcp open 23/tcp open 53/tcp open 443/tcp open Nmap done: 1 IP address (1 host up) scanned in 2.56 seconds -=-=-=-=-=-=--=-=-=-=-=-=--=-=-=-=-=-=--=-=-=-=-=-=- Based on the output above, which of the following ports listed as open represents the most significant security vulnerability to your network?