This avoids exposing the VNC server directly to the network. Connect to the VPN from the internet, and then connect to the VNC system through the VPN. If you want to connect remotely, we recommend setting up a virtual private network (VPN) server on the network with the remote Ubuntu system.

Ubuntu’s Screen Sharing won’t let you set a password longer than eight characters. Warning: We recommend using VNC only over a local network. How to Access the Remote System Over the Internet Now, we need to configure a client to connect to this computer, and that brings us to IP addresses. Avoid opening sensitive or private documents over the connection. Unless you have a secure VPN between your two sites or the VNC connection is otherwise protected (by being tunneled through SSH, for example), it’s safe to assume the connection is not encrypted.

This is more of a concern on connections across the internet. Whether the rest of the VNC traffic is encrypted depends on the capabilities of the VNC client. If you forget the password, you can always repeat these steps to reset it.Īfter you’ve typed a password, close the “Screen Sharing” and “Settings” dialogs.Įncryption is used to transfer and verify the password when a connection request is made. It’s limited to eight characters, so make it as complex as possible. This password is not related to any user account, but it must be provided by remote clients when they connect.

Select the “Require a Password” radio button and type a password in the “Password” field. If you’re trying to connect remotely, this won’t work, so configure a password instead. When the toggle is turned on, the slider at the bottom of the dialog also changes to On.īy default, “Access Options” is set to “New Connections Must Ask for Access.” This means every user has to confirm each connection.

Cisco remote desktop for ubuntu