# Using the remote access ### Create a tunnel To log in to a remote system located behind a firewall or NAT router, you need a tunnel. Select the client you want to access, and click on the green button `ADD TUNNEL`. Depending on the operating system, the dialogue is prefilled with defaults you very likely would like to use. For Windows, an RDP tunnel is suggested, and for Linux SSH is used as default. The tunnel will be protected with an access control list that gives access only to your current IP address. This ACL is a second layer of security. Valid login credentials are still required. ![Create a tunnel for the remote desktop](/files/-MhNPDCRO-mZHcozCS5h) By clicking `ADD TUNNEL` the connection is created instantly. Now click on the `LAUNCH TUNNEL` icon and your default application for RDP or SSH opens the connection. From now on, use the username and password of the system you already have. For RDP, a configuration file for the remote desktop client is generated and downloaded. Look at the downloads of your browser and double-click. {% embed url="" %} {% hint style="info" %} RPort does not interfere with the regular log in process of the operating system. A valid user account on the remote machine is always needed. {% endhint %} ### What are those tunnels? --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://kb.rport.io/using-the-remote-access.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.