# Explanations

First, see the [SSH Monitor introduction](../index.md#introduction)
for a global description of {{SSH_Monitor}}.

Then, see the explanations below:

```{toctree}
:glob:
:maxdepth: 1

tcp_ports_limitation_explanations
cmd_and_template_and_sub_explanations
custom_shell_instructions_explanations
security_explanations
```