TCP
Telnet
What port 23 is used for
Legacy unencrypted remote shell.
Security considerations
Cleartext traffic. Disable permanently and use SSH (22).
Check if port 23 is open on any host:
Open Port Scanner →Legacy unencrypted remote shell.
Cleartext traffic. Disable permanently and use SSH (22).
Check if port 23 is open on any host:
Open Port Scanner →