# 512 - Pentesting Rexec

## Basic Information

It is a service that **allows you to execute a command inside a host** if you know valid **credentials** \(username and password\).

**Default Port:** 512

```text
PORT    STATE SERVICE
512/tcp open  exec
```

### \*\*\*\*[**Brute-force**](../brute-force.md#rexec)\*\*\*\*