# Operating Systems

## macOS

**macOS** is partially supported. If you have issues, you can run the subnet template using [Docker](https://docs.docker.com/desktop/mac/install/) instead. We recommend using our Docker image.

***

## Ubuntu

Depending on the Ubuntu flavor or remote server provider, open the port of your choice for other nodes in the subnet to communicate with your node.

***

## WSL

### Making the server directly available

If you have a NAT or a firewall, the subnet template will use relays for NAT/firewall traversal by default, which negatively impacts performance. If your computer has a **public IP address**, we strongly recommend setting up **port forwarding** to make the server available **directly**. 

#### We explain how to do it below:

1. Create the `.wslconfig` file in your user's home directory in Windows with the following contents:

   ```
   [wsl2]
   localhostforwarding=true
   ```
2. In WSL, find out the `inet` IP address of your WSL container (`172.X.X.X`):

   ```
   sudo apt install net-tools
   ifconfig
   ```
3. In Windows (PowerShell), allow traffic to be routed into the WSL container (replace `172.X.X.X` with the IP address (`inet`) from step 2):

   ```
   netsh interface portproxy add v4tov4 listenport=31330 listenaddress=0.0.0.0 connectport=31330 connectaddress=172.X.X.X
   ```
4. Set up your firewall (e.g., Windows Defender) to allow traffic from the outside world to the port 31330/tcp.
   1. You can also add an inbound rule for the port in the Windows Defender Firewall with Advanced Security settings.
5. If you have a router, set it up to allow connections from the outside world (port 31330/tcp) to your computer (port 31330/tcp).

In Windows, you can run `netsh interface portproxy show all`. The WSL IP and port of choice should be shown.


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