> For the complete documentation index, see [llms.txt](https://d4rk1337.gitbook.io/the-pentesters-cheat-sheet/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://d4rk1337.gitbook.io/the-pentesters-cheat-sheet/services/tcp/tcp-23-telnet.md).

# TCP 23: Telnet

> Telnet is an application protocol used on the Internet or local area network to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection.
>
> \-- [*Wikipedia*](https://en.wikipedia.org/wiki/Telnet)

## Basics

```bash
telnet <ip> <port>
```

## Brute force

```bash
hydra -l root -P /usr/share/seclists/Passwords/Common-Credentials/10-million-password-list-top-100.txt <ip> telnet
```