Last Updated on March 21, 2022 by Admin 2
What is true regarding TCP port 23?
- Port 23 is the well known port for the telnet service which is a plain text protocol that should no longer be used.
- Port 23 is the well known port for the SSH service which provides secure logins.
- Port 23 is the well known port for the rlogin service which is SSL secured by default.
- Port 23 is the well-known port for the system login services which are encrypted when the user runs the starttls command in his login shell.