What port is TCP 23?
Telnet protocol
Well-known ports
| Port | TCP | Description |
|---|---|---|
| 21 | Yes | File Transfer Protocol (FTP) control (command) |
| 22 | Yes | Secure Shell (SSH), secure logins, file transfers (scp, sftp) and port forwarding |
| 23 | Yes | Telnet protocol—unencrypted text communications |
| 25 | Yes | Simple Mail Transfer Protocol (SMTP), used for email routing between mail servers |
Is port 50000 UDP or TCP?
Port 50000 Details
| Port(s) | Protocol | Service |
|---|---|---|
| 21,50000-50004 | tcp | applications |
| 10070,50000 | udp | applications |
| 50000, 6000-7000, 10070-10080 | udp | applications |
| 50000 | tcp | iiimsf |
Is port 12000 UDP or TCP?
Port 12000 Details
| Port(s) | Protocol | Service |
|---|---|---|
| 12000 | tcp | trojans |
| 12000 | tcp | trojan |
| 11000-11001, 11100-11101, 12000-12010 | tcp | applications |
| 12000 | tcp | cce4x |
Is port 23 secure?
Commonly Abused Ports Typically, it is used for remote management. While it is generally considered secure, it requires proper key management. Port 23 – Telnet. A predecessor to SSH, is no longer considered secure and is frequently abused by malware.
Why is Telnet port 23?
A Telnet client program presents a terminal-like window to its user and, when given a remote IP and optional port (port 23 is the default) attempts to connect to the remotely located machine to initiate a Telnet session….
| Name: | telnet |
|---|---|
| Related Ports: | 161 |