> For the complete documentation index, see [llms.txt](https://docs.plenit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.plenit.com/docs-en/productos/remote-desktop/details/redes-y-acceso.md).

# Networks and Access

The environment is based on the same network model as Servers. Here are the access and security options, with guidance on when to choose each one. For the network types and their details, go to Server Details.

* Network types and details: [Networks (Servers).](/docs-en/productos/servers.md)

### Access and security options

Each option solves a different problem. The combination determines how exposed the environment is.

| Option             | What it solves                                             | Where it's configured          |
| ------------------ | ---------------------------------------------------------- | ------------------------------ |
| 2FA                | So that logging in does not depend only on the password    | Remote Desktop subscription    |
| Remote access VPN  | So a user can connect privately from outside               | Environment network            |
| Site-to-site VPN   | Permanently connect an office network with the environment | Environment network and server |
| Ports and firewall | Define what remains accessible from outside                | Servers subscription           |

> #### 📘 Remote access or site-to-site
>
> Use the remote access VPN when individual people are connecting from home or while on the move. Use site-to-site when you want an entire office to reach the environment as if it were on the same network, without each user setting up their own VPN.

### Remote access VPN

| Aspect        | Detail                                                                  |
| ------------- | ----------------------------------------------------------------------- |
| Use           | Private user connection to the environment via encrypted tunnel         |
| Configuration | Enable the VPN on the network, register users, and configure the client |

### Site-to-site VPN

| Aspect        | Detail                                                      |
| ------------- | ----------------------------------------------------------- |
| Use           | Permanently connect the office network with the environment |
| Configuration | Add a network card and static routes on the server          |

### Best practices

* Enable 2FA for users whenever you can: it's the layer that most reduces the risk of a compromised access.
* Open only the ports you need in the firewall, and rely on the VPN for private access.
* If an entire office needs the environment, set up a site-to-site instead of a per-user VPN.

### Known limitations

| Limitation   | Detail                                                                                    |
| ------------ | ----------------------------------------------------------------------------------------- |
| L2TP and NAT | One concurrent session per private network; this is solved with an alternative VPN client |

<br>


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